Tektronix Sander TDS 500D User Manual

Technical Reference  
TDS 500D, TDS 600B & TDS 700D  
Digitizing Oscilloscopes  
Performance Verification and Specifications  
071-0135-00  
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WARRANTY  
Tektronix warrants that this product will be free from defects in materials and workmanship for a period of three (3) years  
from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at its option, either  
will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the  
defective product.  
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of the  
warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for  
packaging and shipping the defective product to the service center designated by Tektronix, with shipping charges prepaid.  
Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the  
Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any  
other charges for products returned to any other locations.  
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate  
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting  
from attempts by personnel other than Tektronix representatives to install, repair or service the product; b) to repair  
damage resulting from improper use or connection to incompatible equipment; or c) to service a product that has been  
modified or integrated with other products when the effect of such modification or integration increases the time or  
difficulty of servicing the product.  
THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT IN LIEU OF ANY  
OTHER WARRANTIES, EXPRESSED OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY  
IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
TEKTRONIX’ RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND  
EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY. TEKTRONIX  
AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR  
CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS  
ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  
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Table of Contents  
General Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
v
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Contacting Tektronix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
ix  
x
Performance Verification Procedures  
Performance Verification Procedures . . . . . . . . . . . . . . . . . . . . . . . . . .  
Input Channels vs. Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
1–1  
1–2  
1–2  
Brief Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Self Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Functional Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
1–5  
1–5  
1–7  
Performance Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
TDS 600B Test Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
TDS 500D/700D Test Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
TDS 794D Test Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Signal Acquisition System Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Time Base System Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Trigger System Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Output Signal Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Option 05 Video Trigger Checks (Not Available on TDS 794D) . . . . . . . . . . . .  
Sine Wave Generator Leveling Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Optical Filters Checks (TDS 500D/TDS 700D Only) . . . . . . . . . . . . . . . . . . . . .  
1–15  
1–15  
1–16  
1–18  
1–22  
1–26  
1–29  
1–46  
1–49  
1–62  
1–71  
1–88  
1–91  
Specifications  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Signal Acquisition System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Horizontal System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Trigger System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Acquisition Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
On-Board User Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Measurement Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
2–1  
2–1  
2–2  
2–3  
2–3  
2–5  
2–6  
2–7  
2–7  
2–8  
2–8  
2–9  
Nominal Traits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Warranted Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Typical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
2–11  
2–19  
2–27  
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Table of Contents  
List of Figures  
Figure 1–1: Map of display functions . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–2: Verifying adjustments and signal-path compensation . .  
1–3  
1–6  
Figure 1–3: Universal test hookup for functional tests –  
TDS 600B shown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
1–8  
1–31  
1–32  
Figure 1–4: Measurement of DC offset accuracy at zero setting . . . .  
Figure 1–5: Initial test hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–6: Measurement of DC accuracy at maximum  
offset and position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
1–35  
1–37  
1–37  
1–40  
1–42  
1–44  
1–46  
1–48  
1–50  
Figure 1–7: Initial test hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–8: Optional initial test hookup . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–9: Measurement of analog bandwidth . . . . . . . . . . . . . . . . . .  
Figure 1–10: Initial test hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–11: Measurement of channel delay – TDS 684B shown . . . .  
Figure 1–12: Initial test hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–13: Measurement of accuracy – Long-term and delay time  
Figure 1–14: Initial test hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–15: Measurement of time accuracy for pulse and  
glitch triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
1–51  
1–53  
1–55  
1–58  
Figure 1–16: Initial test hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–17: Measurement of trigger-level accuracy . . . . . . . . . . . . .  
Figure 1–18: Initial test hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–19: Measurement of trigger sensitivity – 50 MHz results  
shown on a TDS 684B screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
1–59  
1–62  
1–64  
1–66  
1–68  
1–69  
1–70  
1–72  
1–73  
1–74  
1–75  
1–76  
1–77  
1–77  
Figure 1–20: Initial test hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–21: Measurement of main trigger out limits . . . . . . . . . . . . .  
Figure 1–22: Initial test hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–23: Measurement of probe compensator frequency . . . . . . .  
Figure 1–24: Subsequent test hookup . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–25: Measurement of probe compensator amplitude . . . . . .  
Figure 1–26: Jitter test hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–27: Jitter test displayed waveform – TDS 684B shown . . . .  
Figure 1–28: Jitter test when completed – TDS 684B shown . . . . . . .  
Figure 1–29: Triggered signal range test – 300 mV . . . . . . . . . . . . . . .  
Figure 1–30: Triggered signal range test – 75 mV . . . . . . . . . . . . . . . .  
Figure 1–31: 60 Hz Rejection test hookup . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–32: 60 Hz Rejection test setup signal . . . . . . . . . . . . . . . . . . .  
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Table of Contents  
Figure 1–33: Subsequent 60 Hz Rejection test hookup . . . . . . . . . . . .  
1–78  
1–79  
1–80  
Figure 1–34: 60 Hz Rejection test result – TDS 684B shown . . . . . . .  
Figure 1–35: Line count accuracy test hookup . . . . . . . . . . . . . . . . . . .  
Figure 1–36: Line count accuracy test setup waveform –  
TDS 684B shown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
1–81  
1–82  
1–84  
1–85  
1–86  
1–88  
1–90  
1–93  
Figure 1–37: Line count accuracy correct result waveform . . . . . . . .  
Figure 1–38: Setup for sync duty cycle test . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–39: Sync duty cycle test: one-div neg pulse waveform . . . . .  
Figure 1–40: Sync duty cycle test: critically adjusted pulse . . . . . . . .  
Figure 1–41: Sine wave generator leveling equipment setup . . . . . . .  
Figure 1–42: Equipment setup for maximum amplitude . . . . . . . . . .  
Figure 1–43: Reference-receiver performance-verification set up . . .  
Figure 1–44: Optical impulse of Ch1 input from OA5022  
Optical Attenuator (OIG501 / OIG502 fed into optical  
attenuator in Step 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
1–95  
1–98  
1–99  
Figure 1–45: Optical impulse response for OC–12 SONET  
Reference Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Figure 1–46: Optical impulse response for OC–12 SONET  
Reference Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
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Table of Contents  
List of Tables  
Table 1–1: Test equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Table 1–2: DC offset accuracy (zero setting) . . . . . . . . . . . . . . . . . . . .  
Table 1–3: DC Voltage measurement accuracy . . . . . . . . . . . . . . . . . .  
Table 1–4: Analog bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Table 1–5: Delay between channels worksheet . . . . . . . . . . . . . . . . . .  
Table 1–6: Trigger level accuracy readout . . . . . . . . . . . . . . . . . . . . . .  
Table 1–7: Delayed trigger level accuracy readout . . . . . . . . . . . . . . .  
Table 1–8: Available Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Table 1–9: Reference Receiver Filter Options: . . . . . . . . . . . . . . . . . . .  
Table 1–10: Option 3C and 4C Specifications . . . . . . . . . . . . . . . . . . .  
Table 1–11: Available receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Table 1–12: Bessel Thompson frequency response and  
1–16  
1–30  
1–34  
1–39  
1–45  
1–54  
1–56  
1–91  
1–91  
1–92  
1–92  
reference receiver limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–100  
Table 2–1: Key features of the TDS 500D, 600B and  
700D oscilloscopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Table 2–2: Record length and divisions per record vs. TDS model . .  
Table 2–3: Nominal traits — Signal acquisition system . . . . . . . . . . .  
Table 2–4: Nominal traits — Time base system . . . . . . . . . . . . . . . . . .  
Table 2–5: Nominal traits — Triggering system . . . . . . . . . . . . . . . . .  
Table 2–6: Nominal traits — Display system . . . . . . . . . . . . . . . . . . . .  
2–1  
2–4  
2–11  
2–12  
2–13  
2–15  
Table 2–7: Nominal traits — GPIB interface, output ports, and  
power fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
2–16  
2–16  
2–17  
2–20  
2–21  
2–22  
Table 2–8: Nominal traits — Data handling and reliability . . . . . . . .  
Table 2–9: Nominal traits — Mechanical . . . . . . . . . . . . . . . . . . . . . . .  
Table 2–10: Warranted characteristics — Signal acquisition system  
Table 2–11: Warranted characteristics — Time base system . . . . . . .  
Table 2–12: Warranted characteristics — Triggering system . . . . . .  
Table 2–13: Warranted characteristics — Output ports,  
probe compensator, and power requirements . . . . . . . . . . . . . . . .  
2–23  
2–24  
2–26  
2–27  
2–30  
Table 2–14: Warranted characteristics — Environmental . . . . . . . . .  
Table 2–15: Certifications and compliances . . . . . . . . . . . . . . . . . . . . .  
Table 2–16: Typical characteristics — Signal acquisition system . . .  
Table 2–17: Typical characteristics — Triggering system . . . . . . . . .  
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General Safety Summary  
Review the following safety precautions to avoid injury and prevent damage to  
this product or any products connected to it. To avoid potential hazards, use the  
product only as specified.  
Only qualified personnel should perform service procedures.  
While using this product, you may need to access other parts of the system. Read  
the General Safety Summary in other system manuals for warnings and cautions  
related to operating the system.  
Injury Precautions  
Use Proper Power Cord  
Avoid Electric Overload  
To avoid fire hazard, use only the power cord specified for this product.  
To avoid electric shock or fire hazard, do not apply a voltage to a terminal that is  
outside the range specified for that terminal.  
Ground the Product  
This product is grounded through the grounding conductor of the power cord. To  
avoid electric shock, the grounding conductor must be connected to earth  
ground. Before making connections to the input or output terminals of the  
product, ensure that the product is properly grounded.  
Connect and Disconnect  
Properly  
Do not connect or disconnect probes or test leads while they are connected to a  
voltage source.  
Do Not Operate Without  
Covers  
To avoid electric shock or fire hazard, do not operate this product with covers or  
panels removed.  
Use Proper Fuse  
To avoid fire hazard, use only the fuse type and rating specified for this product.  
To avoid electric shock, do not operate this product in wet or damp conditions.  
Do Not Operate in  
Wet/Damp Conditions  
Do Not Operate in  
Explosive Atmosphere  
To avoid injury or fire hazard, do not operate this product in an explosive  
atmosphere.  
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TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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General Safety Summary  
Observe All Terminal  
Ratings  
To avoid fire or shock hazard, observe all ratings and markings on the product.  
Consult the product manual for further ratings information before making  
connections to the product.  
Product Damage Precautions  
Use Proper Power Source  
Do not operate this product from a power source that applies more than the  
voltage specified.  
Provide Proper Ventilation  
To prevent product overheating, provide proper ventilation.  
Do Not Operate With  
Suspected Failures  
If you suspect there is damage to this product, have it inspected by qualified  
service personnel.  
Do Not Immerse in Liquids  
Clean the probe using only a damp cloth. Refer to cleaning instructions.  
Safety Terms and Symbols  
Terms in This Manual  
These terms may appear in this manual:  
WARNING. Warning statements identify conditions or practices that could result  
in injury or loss of life.  
CAUTION. Caution statements identify conditions or practices that could result in  
damage to this product or other property.  
Terms on the Product  
These terms may appear on the product:  
DANGER indicates an injury hazard immediately accessible as you read the  
marking.  
WARNING indicates an injury hazard not immediately accessible as you read the  
marking.  
CAUTION indicates a hazard to property including the product.  
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TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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General Safety Summary  
Symbols on the Product  
The following symbols may appear on the product:  
Double  
Insulated  
DANGER  
High Voltage  
Protective Ground  
(Earth) Terminal  
ATTENTION  
Refer to  
Manual  
Certifications and Compliances  
CSA Certified Power  
Cords  
CSA Certification includes the products and power cords appropriate for use in  
the North America power network. All other power cords supplied are approved  
for the country of use.  
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General Safety Summary  
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TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Preface  
This is the Performance Verification and Specifications for the TDS 500D,  
TDS 600B, and TDS 700D Oscilloscopes. It contains procedures suitable for  
determining if each instrument functions, was adjusted properly, and meets the  
performance characteristics as warranted. The following models are covered:  
TDS 500D:  
TDS 600B:  
TDS 700D:  
TDS 520D, TDS 540D and TDS 580D  
TDS 620B, TDS 644B, TDS 680B, and TDS 684B  
TDS 724D, TDS 754D, TDS 784D, and TDS 794D  
This document also contains the technical specifications for these oscilloscopes.  
Related Manuals  
The following documents are related to the use or service of this oscilloscope:  
H
H
The TDS 500D, TDS 600B & 700D User Manual describes how to use this  
oscilloscope.  
The TDS Family Programmer Disk, included with the User Manual,  
describes using a computer to control the oscilloscope through the GPIB  
interface.  
H
H
The TDS 500D, TDS 600B & 700D Reference describes a quick overview of  
how to operate your oscilloscope.  
The TDS 500D, TDS 600B & 700D Service Manual describes information  
for maintaining and servicing the oscilloscope to the module level.  
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Preface  
Contacting Tektronix  
Product  
Support  
For application-oriented questions about a Tektronix measure-  
ment product, call toll free in North America:  
1-800-TEK-WIDE (1-800-835-9433 ext. 2400)  
6:00 a.m. – 5:00 p.m. Pacific time  
Or, contact us by e-mail:  
For product support outside of North America, contact your  
local Tektronix distributor or sales office.  
Service  
Support  
Contact your local Tektronix distributor or sales office. Or, visit  
our web site for a listing of worldwide service locations.  
http://www.tek.com  
In North America:  
For other  
information 1-800-TEK-WIDE (1-800-835-9433)  
An operator will direct your call.  
To write us Tektronix, Inc.  
P.O. Box 1000  
Wilsonville, OR 97070-1000  
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Performance Verification  
Procedures  
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Performance Verification Procedures  
Two types of Performance Verification procedures can be performed on this  
product: Brief Procedures and Performance Tests. You may not need to perform  
all of these procedures, depending on what you want to accomplish.  
H
H
H
To rapidly confirm that the oscilloscope functions and was adjusted properly,  
just do the brief procedures under Self Tests, which begin on page 1–5.  
Advantages: These procedures are quick to do, require no external  
equipment or signal sources, and perform extensive functional and accuracy  
testing to provide high confidence that the oscilloscope will perform  
properly. They can be used as a quick check before making a series of  
important measurements.  
To further check functionality, first do the Self Tests just mentioned; then do  
the brief procedures under Functional Tests that begin on page 1–7.  
Advantages: These procedures require minimal additional time to perform,  
require no additional equipment other than a standard-accessory probe, and  
more completely test the internal hardware of the oscilloscope. They can be  
used to quickly determine if the oscilloscope is suitable for putting into  
service, such as when it is first received.  
If more extensive confirmation of performance is desired, do the Perform-  
ance Tests, beginning on page 1–15, after doing the Functional and Self Tests  
just referenced.  
Advantages: These procedures add direct checking of warranted specifica-  
tions. They require more time to perform and suitable test equipment is  
required. (See Equipment Required beginning on page 1–16).  
If you are not familiar with operating this oscilloscope, read the TDS 500D,  
TDS 600B & TDS 700D Reference (071-0137-XX) or the TDS 500D, TDS 600B  
& TDS 700D User Manual (071-0130-XX). These contain instructions that will  
acquaint you with the use of the front-panel controls and the menu system.  
1–1  
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Performance Verification Procedures  
Input Channels vs. Model  
When performing the procedures in this section, be aware that some TDS models  
refer to input channels Ch 3 and Ch 4 as Aux 1 and Aux 2 respectively. Where  
appropriate, both names will appear in the procedure, for example, Ch 3 (Aux 1).  
The channel names for the various TDS models are shown below.  
TDS Model  
Channel Names  
TDS 540D, 580D, 644B, 684B, 754D, 784D, and 794D  
TDS 520D, 620B, 680B, and 724D  
Ch 1, Ch 2, Ch 3, and Ch 4  
Ch 1, Ch 2, Aux 1, and Aux 2  
Conventions  
Throughout these procedures the following conventions apply:  
H
Each test procedure uses the following general format:  
Title of Test  
Equipment Required  
Prerequisites  
Procedure  
H
Each procedure consists of as many steps, substeps, and subparts as required  
to do the test. Steps, substeps, and subparts are sequenced as follows:  
1. First Step  
a. First Substep  
H
H
First Subpart  
Second Subpart  
b. Second Substep  
2. Second Step  
H
In steps and substeps, the lead-in statement in italics instructs you what to  
do, while the instructions that follow tell you how to do it, as in the example  
step below, “Initialize the oscilloscope” by doing “Press save/recall SETUP.  
Now, press the main-menu button...”.  
1–2  
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Performance Verification Procedures  
Initialize the oscilloscope: Press save/recall SETUP. Now, press the  
main-menu button Recall Factory Setup; then the side-menu button OK  
Confirm Factory Init.  
H
Where instructed to use a front-panel button or knob, or select from a main  
or side menu, or verify a readout or status message, the name of the button or  
knob appears in boldface type: “press SHIFT; then UTILITY, press the  
main-menu button System until Cal is highlighted in the pop-up menu.  
Verify that the status message is Pass in the main menu under the Voltage  
Reference label.”  
STOP. The STOP notation at the left is accompanied by information you must read  
to do the procedure properly.  
H
Refer to Figure 1–1: “Main menu” refers to the menu that labels the seven  
menu buttons under the display; “side menu” refers to the menu that labels  
the five buttons to the right of the display. “Pop-up menu” refers to a menu  
that pops up when a main-menu button is pressed.  
Position of waveform  
record relative to  
the screen and display  
General purpose  
knob readout  
Brief status  
information  
Side menu area.  
Readouts for  
Graticule and waveforms  
measurements  
move here when  
CLEAR MENU  
is pressed.  
Waveform reference  
symbols show ground levels  
and waveform sources  
Vertical scale, horizontal scale,  
and trigger level readouts  
Pop-up menu  
Main menu display area. Readouts in lower graticule  
area move here when CLEAR MENU is pressed.  
Figure 1–1: Map of display functions  
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Performance Verification Procedures  
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Brief Procedures  
The Self Tests use internal routines to confirm basic functionality and proper  
adjustment. No test equipment is required to do these test procedures.  
The Functional Tests utilize the probe-compensation output at the front panel as  
a test-signal source for further verifying that the oscilloscope functions properly.  
A probe is required to do these test procedures.  
Self Tests  
This procedure uses internal routines to verify that the oscilloscope functions and  
was adjusted properly. No test equipment or hookups are required.  
Verify Internal Adjustment,  
Self Compensation, and  
Diagnostics  
Equipment  
required  
None  
Prerequisites  
Power on the oscilloscope and allow a 20 minute warm-up before doing  
this procedure.  
1. Verify that internal diagnostics pass: Do the following substeps to verify  
passing of internal diagnostics.  
a. Display the System diagnostics menu:  
H
H
Press SHIFT; then press UTILITY.  
Repeatedly press the main-menu button System until Diag/Err is  
highlighted in the pop-up menu.  
b. Run the System Diagnostics:  
H
H
First disconnect any input signals from all four channels.  
Press the main-menu button Execute; then press the side-menu  
button OK Confirm Run Test.  
c. Wait: The internal diagnostics do an exhaustive verification of proper  
oscilloscope function. This verification will take up to three and a half  
minutes on some models. When the verification is finished, the resulting  
status will appear on the screen.  
d. Verify that no failures are found and reported on-screen. If any failures  
occur do step 1a, then press the main menu button Error Log for details.  
e. Confirm the three adjustment sections have passed status:  
1–5  
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Brief Procedures  
H
H
Press SHIFT; then press UTILITY.  
Highlight Cal in the pop-up menu by repeatedly pressing the  
main-menu button System. See Figure 1–2.  
H
Verify that the word Pass appears in the main menu under the  
following menu labels: Voltage Reference, Frequency Response,  
and Pulse Trigger. See Figure 1–2.  
f. Run the signal-path compensation: Press the main-menu button Signal  
Path; then press the side-menu button OK Compensate Signal Paths.  
g. Wait: Signal-path compensation may take five minutes on the  
TDS 500D/700D and fifteen minutes on the 600B to run. While it  
progresses, a “clock” icon (shown at left) is displayed on-screen. When  
compensation completes, the status message will be updated to Pass or  
Fail in the main menu. See step h.  
h. Confirm signal-path compensation returns passed status: Verify that the  
word Pass appears under Signal Path in the main menu. See Figure 1–2.  
Highlight Cal  
1
3
2
Verify Pass  
Verify Pass  
Figure 1–2: Verifying adjustments and signal-path compensation  
2. Return to regular service: Press CLEAR MENU to exit the system menus.  
1–6  
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Brief Procedures  
Functional Tests  
The purpose of these procedures is to confirm that the oscilloscope functions  
properly. The only equipment required is one of the standard-accessory probes  
and, to check the file system, a 3.5 inch, 720 K or 1.44 Mbyte floppy disk.  
CAUTION. The P6217, P6243, and P6245 probes that can be used with this  
oscilloscope provide an extremely low loading capacitance (<1 pF) to ensure the  
best possible signal reproduction. These probes should not be used to measure  
signals exceeding ±8 volts, or errors in signal measurement will be observed.  
Above 40 volts, damage to the probe may result. To make measurements beyond  
±10 volts, use either the P6139A probe (good to 500 volts peak), the P6339A  
probe (for the TDS 794D), or refer to the catalog for a recommended probe.  
STOP. These procedures verify functions; that is, they verify that the oscilloscope  
features operate. They do not verify that they operate within limits.  
Therefore, when the instructions in the functional tests that follow call for you to  
verify that a signal appears on-screen “that is about five divisions in amplitude”  
or “has a period of about six horizontal divisions,” etc., do NOT interpret the  
quantities given as limits. Operation within limits is checked in Performance  
Tests, which begin on page 1–15.  
STOP. DO NOT make changes to the front-panel settings that are not called out  
in the procedures. Each verification procedure will require you to set the  
oscilloscope to certain default settings before verifying functions. If you make  
changes to these settings, other than those called out in the procedure, you may  
obtain invalid results. In this case, just redo the procedure from step 1.  
When you are instructed to press a menu button, the button may already be  
selected (its label will be highlighted). If this is the case, it is not necessary to  
press the button.  
Verify All Input Channels  
Equipment  
required  
One probe such as the P6243, P6245, P6139A, or P6339A  
None  
Prerequisites  
1. Install the test hookup and preset the oscilloscope controls:  
a. Hook up the signal source: Install the probe on CH 1. Connect the probe  
tip to PROBE COMPENSATION SIGNAL on the front panel;  
1–7  
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Brief Procedures  
connect the probe ground (typically black) to PROBE COMPENSA-  
TION GND. If using a P6243 or P6245 probe, you may want to attach a  
Y-lead connector and two SMD KlipChips as shown in Figure 1–3.  
Signal  
Gnd  
Figure 1–3: Universal test hookup for functional tests – TDS 600B shown  
b. Initialize the oscilloscope:  
H
H
H
Press save/recall SETUP.  
Press the main-menu button Recall Factory Setup.  
Press the side-menu button OK Confirm Factory Init.  
2. Verify that all channels operate: Do the following substeps test CH 1  
first, skipping substep a and b since CH 1 is already set up for verification  
and as the trigger source from step 1.  
a. Select an unverified channel:  
H
H
Press WAVEFORM OFF to remove the channel just verified from  
display.  
Press the front-panel button that corresponds to the channel you are  
to verify.  
1–8  
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Brief Procedures  
H
Move the probe to the channel you selected.  
b. Match the trigger source to the channel selected:  
H
H
H
Press TRIGGER MENU.  
Press the main-menu button Source.  
Press the side-menu button that corresponds to the channel selected,  
Ch2, Ch3, or Ch4. (Some TDS models use Ax1 and Ax2 instead of  
Ch3 and Ch4).  
c. Set up the selected channel:  
H
H
Set the vertical SCALE to 200 mV.  
Set the horizontal SCALE to 200 ms. Press CLEAR MENU to  
remove any menu that may be on the screen.  
H
Press SET LEVEL TO 50%.  
d. Verify that the channel is operational: Confirm that the following  
statements are true.  
H
The vertical scale readout for the channel under test shows a setting  
of 200 mV, and a square-wave probe-compensation signal about  
2.5 divisions in amplitude is on-screen. See Figure 1–1 on page 1–3  
to locate the readout.  
H
H
The vertical POSITION knob moves the signal up and down the  
screen when rotated.  
Turning the vertical SCALE knob counterclockwise decreases the  
amplitude of the waveform on-screen, turning the knob clockwise  
increases the amplitude, and returning the knob to 200 mV returns  
the amplitude to about 2.5 divisions.  
e. Verify that the channel acquires in all acquisition modes: Press SHIFT;  
then press ACQUIRE MENU. Use the side menu to select, in turn, each  
of the three hardware acquire modes and confirm that the following  
statements are true. Refer to the icons at the left of each statement as you  
confirm those statements.  
H
H
H
Sample mode displays an actively acquiring waveform on-screen.  
(Note that there is noise present on the peaks of the square wave).  
Peak Detect mode displays an actively acquiring waveform  
on-screen with the noise present in Sample mode “peak detected.”  
Hi Res mode (TDS 500D and 700D only) displays an actively  
acquiring waveform on-screen with the noise that was present in  
Sample mode reduced.  
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Brief Procedures  
H
H
Envelope mode displays an actively acquiring waveform on-screen  
with the noise displayed.  
Average mode displays an actively acquiring waveform on-screen  
with the noise reduced.  
f. Test all channels: Repeat substeps a through e until all four input  
channels are verified.  
3. Remove the test hookup: Disconnect the probe from the channel input and  
the probe-compensation terminals.  
Verify the Time Base  
Equipment  
required  
One probe such as the P6243, P6245, P6139A, or P6339A  
None  
Prerequisites  
1. Install the test hookup and preset the oscilloscope controls:  
a. Hook up the signal source: Install the probe on CH 1. Connect the probe  
tip to PROBE COMPENSATION SIGNAL on the front panel;  
connect the probe ground to PROBE COMPENSATION GND. See  
Figure 1–3 on page 1–8.  
b. Initialize the oscilloscope:  
H
H
Press save/recall SETUP.  
Press the main-menu button Recall Factory Setup; then press the  
side-menu button OK Confirm Factory Init.  
c. Modify default settings:  
H
H
H
H
Set the vertical SCALE to 200 mV.  
Set the horizontal SCALE to 200 ms.  
Press SET LEVEL TO 50%.  
Press CLEAR MENU to remove the menus from the screen.  
2. Verify that the time base operates: Confirm the following statements.  
a. One period of the square-wave probe-compensation signal is about five  
horizontal divisions on-screen for the 200 ms horizontal scale setting (set  
in step 1c).  
b. Rotating the horizontal SCALE knob clockwise expands the waveform  
on-screen (more horizontal divisions per waveform period), counter-  
clockwise rotation contracts it, and returning the horizontal scale to  
200 ms returns the period to about five divisions.  
1–10  
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Brief Procedures  
c. The horizontal POSITION knob positions the signal left and right  
on-screen when rotated.  
3. Remove the test hookup: Disconnect the probe from the channel input and  
the probe-compensation terminals.  
Verify the Main and  
Delayed Trigger Systems  
Equipment  
required  
One probe such as the P6243, P6245, P6139A, or P6339A  
None  
Prerequisites  
1. Install the test hookup and preset the oscilloscope controls:  
a. Hook up the signal source: Install the probe on CH 1. Connect the probe  
tip to PROBE COMPENSATION SIGNAL on the front panel;  
connect the probe ground to PROBE COMPENSATION GND. See  
Figure 1–3 on page 1–8.  
b. Initialize the oscilloscope:  
H
H
H
Press save/recall SETUP.  
Press the main-menu button Recall Factory Setup.  
Press the side-menu button OK Confirm Factory Init.  
c. Modify default settings:  
H
H
H
H
H
H
H
Set the vertical SCALE to 200 mV.  
Set the horizontal SCALE for the M (main) time base to 200 ms.  
Press SET LEVEL TO 50%.  
Press TRIGGER MENU.  
Press the main-menu button Mode & Holdoff.  
Press the side-menu button Normal.  
Press CLEAR MENU to remove the menus from the screen.  
2. Verify that the main trigger system operates: Confirm that the following  
statements are true.  
H
H
The trigger level readout for the main trigger system changes with the  
trigger-LEVEL knob.  
The trigger-LEVEL knob can trigger and untrigger the square-wave  
signal as you rotate it. (Leave the signal untriggered, which is indicated  
by the display not updating).  
1–11  
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Brief Procedures  
H
Pressing SET LEVEL TO 50% triggers the signal that you just left  
untriggered. (Leave the signal triggered).  
3. Verify that the delayed trigger system operates:  
a. Select the delayed time base:  
H
H
H
Press HORIZONTAL MENU.  
Press the main-menu button Time Base.  
Press the side-menu button Delayed Triggerable; then press the  
side-menu button Delayed Only.  
H
Set the horizontal SCALE for the D (delayed) time base to 200 ms.  
b. Select the delayed trigger level menu:  
H
H
Press SHIFT; then press DELAYED TRIG.  
Press the main-menu button Level; then press the side-menu button  
Level.  
c. Confirm that the following statements are true:  
H
H
The trigger-level readout for the delayed trigger system changes as  
you turn the general purpose knob.  
As you rotate the general purpose knob, the square-wave probe-com-  
pensation signal can become triggered and untriggered. (Leave the  
signal untriggered, which is indicated by the display not updating).  
H
Pressing the side-menu button Set to 50% triggers the probe-com-  
pensation signal that you just left untriggered. (Leave the signal  
triggered).  
d. Verify the delayed trigger counter:  
H
H
Press the main-menu button Delay by Time.  
Use the keypad to enter a delay time of 1 second. Press 1, then press  
ENTER.  
H
Verify that the trigger READY indicator on the front panel flashes  
about once every second as the waveform is updated on-screen.  
4. Remove the test hookup: Disconnect the probe from the channel input and  
the probe-compensation terminals.  
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Brief Procedures  
Verify the File System  
Equipment  
required  
One probe such as the P6243, P6245, P6139A, or P6339A  
One 720 K or 1.44 Mbyte, 3.5 inch DOS-compatible disk.  
You can use a disk of your own or you can use the TDS Family  
Programmer Disk (Tektronix part number 063-3002-XX) included in the  
TDS 500D, TDS 600B & TDS 700D User Manual (Tektronix part  
number 071–0130–XX).  
Prerequisites  
None  
1. Install the test hookup and preset the oscilloscope controls:  
a. Hook up the signal source: Install the probe on CH 1. Connect the probe  
tip to PROBE COMPENSATION SIGNAL on the front panel;  
connect the probe ground to PROBE COMPENSATION GND. See  
Figure 1–3 on page 1–8.  
b. Insert the test disk: Insert the floppy disk in the floppy disk drive to the  
left of the monitor.  
H
H
Position the disk so the metal shutter faces the drive.  
Position the disk so the stamped arrow is on the top right side. In  
other words, place the angled corner in the front bottom location.  
H
Push the disk into the drive until it goes all the way in and clicks  
into place.  
c. Initialize the oscilloscope:  
H
H
H
Press save/recall SETUP.  
Press the main-menu button Recall Factory Setup.  
Press the side-menu button OK Confirm Factory Init.  
d. Modify default settings:  
H
H
Set the vertical SCALE to 200 mV.  
Set the horizontal SCALE for the M (main) time base to 200 ms.  
Notice the waveform on the display now shows two cycles instead of  
five.  
H
H
Press SET LEVEL TO 50%.  
Press CLEAR MENU to remove the menus from the screen.  
e. Save the settings:  
H
H
Press SETUP.  
Press the main-menu button Save Current Setup; then press the  
side-menu button To File.  
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Brief Procedures  
H
Turn the general purpose knob to select the file to save. Choose  
TEK?????.SET (or fd0:, the floppy disk drive, hd0:, the optional  
hard disk drive, or Zip:, if an external Zip drive is connected). With  
this choice, you will save a file starting with TEK, then containing  
5-numbers, and a .SET extension. For example, the first time you  
run this on a blank, formatted disk or on the Example Programs  
Disk, the oscilloscope will assign the name TEK00000.SET to your  
file. If you ran the procedure again, the oscilloscope would  
increment the name and call the file TEK00001.SET.  
NOTE. If testing an external Zip drive, it must first be connected to the oscillo-  
scope, then be powered on simultaneously with the oscilloscope, or immediately  
after the oscilloscope is powered-on. This ensures proper communications are  
set up between the oscilloscope and the Zip drive.  
f. To test the optional hard disk drive or external Zip drive, choose either  
the hard disk drive (hd0:), or the external Zip drive (Zip:). Then use the  
general purpose knob to select the file to save. Save the file as in step e.  
H
Press the side-menu button Save To Selected File.  
2. Verify the file system works:  
H
Press the main-menu button Recall Factory Setup and the side-menu  
button OK Confirm Factory Init to restore the 500 ms time base and  
the five cycle waveform.  
H
H
Press the main-menu button Recall Saved Setup; then press the  
side-menu button From File.  
Turn the general purpose knob to select the file to recall. For example, if  
you followed the instructions previously and saved the file to either the  
floppy disk drive (fd0:), or the optional hard disk drive (hd0:), you had  
the oscilloscope assign the name TEK00000.SET to your file.  
H
H
Press the side-menu button Recall From Selected File.  
Verify that the oscilloscope retrieved the saved setup from the disk. Do  
this by noticing the horizontal SCALE for the M (main) time base is  
again 200 ms and the waveform shows only two cycles just as it was  
when you saved the setup.  
3. Remove the test hookup:  
H
H
Disconnect the probe from the channel input and the probe-compensa-  
tion terminals.  
Remove the floppy disk from the floppy disk drive.  
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Performance Tests  
This section contains a collection of procedures for checking that the TDS 500D,  
TDS 600B, and TDS 700D Oscilloscopes perform as warranted.  
The procedures are arranged in four logical groupings: Signal Acquisition System  
Checks, Time Base System Checks, Triggering System Checks, and Output Ports  
Checks. They check all the characteristics that are designated as checked in  
Specifications. (The characteristics that are checked appear in boldface type  
under Warranted Characteristics in Specifications).  
STOP. These procedures extend the confidence level provided by the basic  
procedures described on page 1–5. The basic procedures should be done first,  
then these procedures performed if desired.  
Prerequisites  
The tests in this section comprise an extensive, valid confirmation of perform-  
ance and functionality when the following requirements are met:  
H
H
The cabinet must be installed on the oscilloscope.  
You must have performed and passed the procedures under Self Tests, found  
on page 1–5, and those under Functional Tests, found on page 1–7.  
H
A signal-path compensation must have been done within the recommended  
calibration interval and at a temperature within ±5_ C of the present  
operating temperature. (If at the time you did the prerequisite Self Tests, the  
temperature was within the limits just stated, consider this prerequisite met).  
H
The oscilloscope must have been last adjusted at an ambient temperature  
between +20_ C and +30_ C, must have been operating for a warm-up  
period of at least 20 minutes, and must be operating at an ambient tempera-  
ture between +4_ C and either +45_ C for the TDS 600B or +50_ C for the  
TDS 500D and 700D. (The warm-up requirement is usually met in the  
course of meeting the Self Tests and Functional Tests prerequisites listed  
above).  
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Performance Tests  
Equipment Required  
These procedures use external, traceable signal sources to directly check  
warranted characteristics. The required equipment list follows this introduction.  
Table 1–1: Test equipment  
Item number and  
description  
Minimum requirements  
Example  
Purpose  
1. Attenuator,10X  
(two required)  
Ratio: 10X; impedance 50 W; connec- Tektronix part number  
Signal Attenuation  
tors: female BNC input, male BNC  
output  
011-0059-02  
2. Attenuator, 5X  
Ratio: 5X; impedance 50 W; connec-  
tors: female BNC input, male BNC  
output  
Tektronix part number  
011-0060-02  
Signal Attenuation  
3. Adapter, BNC female-to- BNC female-to-Clip Leads  
Clip Leads  
Tektronix part number  
013-0076-00  
Signal Coupling for Probe  
Compensator Output Check  
4. Terminator, 50 W  
Impedance 50 W; connectors: female Tektronix part number  
Signal Termination for  
Channel Delay Test  
BNC input, male BNC output  
011-0049-01  
5. Cable, Precision 50 W  
50 W, 36 in, male-to-male BNC  
connectors  
Tektronix part number  
012-0482-00  
Signal Interconnection  
Various Accuracy Tests  
Checking Trigger Sensitivity  
Coaxial (two required)  
6. Connector, Dual-Banana Female BNC-to-dual banana  
(two required)  
Tektronix part number  
103-0090-00  
7. Connector, BNC “T”  
Male BNC-to-dual female BNC  
Tektronix part number  
103-0030-00  
8. Coupler, Dual-Input  
Female BNC-to-dual male BNC  
Tektronix part number  
067-0525-02  
Checking Delay Between  
Channels  
1
9. Generator, DC Calibra-  
tion  
Variable amplitude to ±104 V; accura- Data Precision 8200  
cy to 0.1%  
Checking DC Offset, Gain,  
and Measurement Accuracy  
10. Generator, Calibration  
500 mV square wave calibrator  
amplitude; accuracy to 0.25%  
Tegam/Tektronix PG 506A  
Calibration Generator  
To check accuracy of CH 3  
Signal Out  
1,2  
11. Generator, Time Mark  
(optional)  
Variable marker frequency from 10 ms Tegam/Tektronix TG 501A  
Checking Sample-Rate and  
Delay-time Accuracy  
1,2  
to 10 ns; accuracy within 2 ppm  
Time Mark Generator  
12. Probe, 10X  
A P6139A, P6243, P6245, or P6339A Tektronix part number  
Signal Interconnection  
3
probe  
P6139A or P6245  
13. 3.5 inch, 720 K or  
1.44 Mbyte, DOS-com-  
patible floppy disk  
TDS Family Programmer Disk Checking File System Basic  
(Tektronix part number  
Functionality  
063–3002–00), included with  
User Manual (Tektronix part  
number 071–0130-XX)  
14. Generator, Sine Wave  
250 kHz to at least 500 MHz (higher  
for higher-bandwidth scopes). Vari-  
Rohde & Schwarz SMT or  
SMY  
Checking Analog Bandwidth,  
Trigger Sensitivity, Sample-  
rate, External Clock, and  
Delay-Time Accuracy  
1,4  
able amplitude from 60 mV to 2 V  
p-p  
into 50 W. Frequency accuracy >2.0%  
1–16  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance Tests  
Table 1–1: Test equipment (cont.)  
Item number and  
description  
Minimum requirements  
Example  
Purpose  
15. Meter, Level and Power Frequency range:10 MHz to 400 MHz. Rohde & Schwarz URV 35,  
Checking Analog Bandwidth  
and Trigger Sensitivity  
1,4  
Sensor  
Amplitude range: 6 mV to 2 V  
with NRV-Z8 power sensor  
p-p  
p-p  
1,4  
16. Splitter, Power  
Frequency range: DC to 1 GHz.  
Tracking: >2.0%  
Rohde & Schwarz RVZ  
Checking Analog Bandwidth  
Checking Analog Bandwidth  
Checking Analog Bandwidth  
17. Adapter (four required)  
18. Adapter  
Male N-to-female BNC  
Tektronix part number  
103-0045-00  
Female N-to-male BNC  
Tektronix part number  
103-0058-00  
19. Generator, Video Signal Provides PAL compatible outputs  
Tektronix TSG 121  
Used to Test Video Option 05  
Equipped Instruments Only  
20. Oscillator, Leveled Sine  
wave Generator  
60 Hz Sine wave  
Tegam/Tektronix SG 502 (if  
available)  
Used to Test Video Option 05  
Equipped Instruments Only  
1,2  
21. Pulse Generator  
Tektronix CFG280  
(or Tegam/Tektronix PG 502) Equipped Instruments Only  
Used to Test Video Option 05  
2
22. Cable, Coaxial  
(two required)  
75 W, 36 in, male to male BNC  
connectors  
Tektronix part number  
012-1338-00  
Used to Test Video Option 05  
Equipped Instruments Only  
23. Terminator, 75 W  
Impedance 75 W; connectors: female Tektronix part number  
Used to Test Video Option 05  
Equipped Instruments Only  
(two required)  
BNC input, male BNC output  
011-0102-01  
24. Generator, Optical Im-  
pulse  
850 nm optical impulse  
Tektronix OIG501 Optical  
Impulse Generator  
Checking Option 3C  
2
25. Generator, Optical Im-  
pulse  
1300 nm optical impulse  
62.5 micron optical attenuator  
FC-FC fiber cable  
Tektronix OIG502 Optical  
Impulse Generator  
Checking Option 4C  
2
26. Attenuator, Optical  
Tektronix OA5022 Optical  
Checking Option 3C and 4C  
Checking Option 3C and 4C  
Checking Option 3C and 4C  
2
Attenuator  
27. Cable, Fiber Optic  
Tektronix part number  
174-2322-00  
28. Optical-to-Electrical  
Converter  
P6701B (used with Option 3C) or  
P6703B (used with Option 4C)  
optical-to-electrical converter  
Tektronix part number  
P6701B or P6703B  
1
You can replace items 9, 10, 11, 14, 15, 16, and 20 with a Wavetek 9100 (with options 100 and 600) for 500 MHz oscillo-  
scopes, or a Wavetek 9500 (with option 100) and output head appropriate for the bandwidth of the oscilloscope(s) being  
tested.  
2
3
Requires a TM 500 or TM 5000 Series Power Module Mainframe.  
Warning: The P6243 and P6245 probes that may be used with this oscilloscope provide an extremely low loading  
capacitance (<1 pF) to ensure the best possible signal reproduction. These probes should not be used to measure  
signals exceeding ±8 V, or errors in signal measurement will be observed. Above 40 V, damage to the probe may result.  
To make measurements beyond ±8 V, use either the P6139A probe (good to 500 V), or refer to the catalog for a recom-  
mended probe.  
4
If available, you can replace items 14, 15, and 16 with the following set of equipment for bandwidths up to 1 GHz:  
a Tegam/Tektronix SG503 and SG504 with SG504 leveling head.  
1–17  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Performance Tests  
TDS 600B Test Record  
Photocopy this and the next three pages and use them to record the performance  
test results for your TDS 600B.  
TDS 600B Test Record  
Instrument Serial Number:  
Temperature:  
Certificate Number:  
RH %:  
Date of Calibration:  
Technician:  
TDS 600B Performance Test  
Minimum  
Incoming  
Outgoing  
Maximum  
Offset Accuracy  
CH1 Offset  
+1 mV  
+101 mV  
+1.01 V  
– 2.1 mV  
– 75.6 mV  
– 756 mV  
__________  
__________  
__________  
__________  
__________  
__________  
+ 2.1 mV  
+ 75.6 mV  
+ 756 mV  
CH2 Offset  
+1 mV  
+101 mV  
+1.01 V  
– 2.1 mV  
– 75.6 mV  
– 756 mV  
__________  
__________  
__________  
__________  
__________  
__________  
+ 2.1 mV  
+ 75.6 mV  
+ 756 mV  
CH3 or AX1  
Offset  
+1 mV  
+101 mV  
+1.01 V  
– 2.1 mV  
– 75.6 mV  
– 756 mV  
__________  
__________  
__________  
__________  
__________  
__________  
+ 2.1 mV  
+ 75.6 mV  
+ 756 mV  
CH4 or AX2  
Offset  
+1 mV  
+101 mV  
+1.01 V  
– 2.1 mV  
– 75.6 mV  
– 756 mV  
__________  
__________  
__________  
__________  
__________  
__________  
+ 2.1 mV  
+ 75.6 mV  
+ 756 mV  
DC Voltage Measurement Accuracy (Averaged)  
CH1  
CH1  
CH1  
CH1  
CH1  
CH1  
CH2  
CH2  
CH2  
5 mV Vert scale setting,  
–5 Div position setting, +1 V offset  
+ 1.0329 V  
– 1.0471 V  
+ 11.4165 V  
– 11.7835 V  
+ 17.102 V  
– 18.899 V  
+ 1.0329 V  
– 1.0471 V  
+ 11.4165 V  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
+ 1.0471 V  
– 1.0329 V  
+ 11.7835 V  
– 11.4165 V  
+ 18.899 V  
– 17.102 V  
+ 1.0471 V  
– 1.0329 V  
+ 11.7835 V  
5 mV Vert scale setting,  
+5 Div position setting, –1 V offset  
200 mV Vert scale setting,  
–5 Div position setting, +10 V offset  
200 mV Vert scale setting,  
+5 Div position setting, –10 V offset  
1.01 V Vert scale setting,  
–5 Div position setting, +10 V offset  
1.01 V Vert scale setting,  
+5 Div position setting, –10 V offset  
5 mV Vert scale setting,  
–5 Div position setting, +1 V offset  
5 mV Vert scale setting,  
+5 Div position setting, –1 V offset  
200 mV Vert scale setting,  
–5 Div position setting, +10 V offset  
1–18  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance Tests  
TDS 600B Test Record (cont.)  
Instrument Serial Number:  
Temperature:  
Certificate Number:  
RH %:  
Date of Calibration:  
Technician:  
TDS 600B Performance Test  
Minimum  
Incoming  
Outgoing  
Maximum  
CH2  
CH2  
CH2  
CH3  
200 mV Vert scale setting,  
+5 Div position setting, –10 V offset  
– 11.7835 V  
__________  
__________  
– 11.4165 V  
1.01 V Vert scale setting,  
–5 Div position setting, +10 V offset  
+ 17.102 V  
– 18.899 V  
+ 1.0329 V  
– 1.0471 V  
+ 11.4165 V  
– 11.7835 V  
+ 17.102 V  
– 18.899 V  
+ 1.0329 V  
– 1.0471 V  
+ 11.4165 V  
– 11.7835 V  
+ 17.102 V  
– 18.899 V  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
+ 18.899 V  
– 17.102 V  
+ 1.0471 V  
– 1.0329 V  
+ 11.7835 V  
– 11.4165 V  
+ 18.899 V  
– 17.102 V  
+ 1.0471 V  
– 1.0329 V  
+ 11.7835 V  
– 11.4165 V  
+ 18.899 V  
– 17.102 V  
1.01 V Vert scale setting,  
+5 Div position setting, –10 V offset  
5 mV Vert scale setting,  
or AX1 –5 Div position setting, +1 V offset  
CH3 5 mV Vert scale setting,  
or AX1 +5 Div position setting, –1 V offset  
CH3 200 mV Vert scale setting,  
or AX1 –5 Div position setting, +10 V offset  
CH3 200 mV Vert scale setting,  
or AX1 +5 Div position setting, –10 V offset  
CH3 1.01 V Vert scale setting,  
or AX1 –5 Div position setting, +10 V offset  
CH3 1.01 V Vert scale setting,  
or AX1 +5 Div position setting, –10 V offset  
CH4 5 mV Vert scale setting,  
or AX2 –5 Div position setting, +1 V offset  
CH4 5 mV Vert scale setting,  
or AX2 +5 Div position setting, –1 V offset  
CH4 200 mV Vert scale setting,  
or AX2 –5 Div position setting, +10 V offset  
CH4 200 mV Vert scale setting,  
or AX2 +5 Div position setting, –10 V offset  
CH4 1.01 V Vert scale setting,  
or AX2 –5 Div position setting, +10 V offset  
CH4 1.01 V Vert scale setting,  
or AX2 +5 Div position setting, –10 V offset  
Analog Bandwidth  
CH1  
CH2  
100 mV  
100 mV  
100 mV  
424 mV  
424 mV  
424 mV  
__________  
__________  
__________  
__________  
__________  
__________  
N/A  
N/A  
N/A  
CH3  
or AX1  
CH4  
100 mV  
424 mV  
__________  
__________  
N/A  
or AX2  
1–19  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance Tests  
TDS 600B Test Record (cont.)  
Instrument Serial Number:  
Temperature:  
Certificate Number:  
RH %:  
Date of Calibration:  
Technician:  
TDS 600B Performance Test  
Delay Between Channels  
Delay Between Channels  
Time Base System  
Minimum  
Incoming  
Outgoing  
Maximum  
N/A  
__________  
__________  
100 ps  
Long Term Sample Rate/  
Delay Time @ 500 ns/10 ms  
–2.0 Div  
__________  
__________  
+2.0 Div  
Trigger System Accuracy  
Pulse-Glitch or Pulse-Width,  
Hor. scale 1 ms  
Lower Limit  
3.5 ns  
3.5 ns  
__________  
__________  
__________  
__________  
6.5 ns  
6.5 ns  
Upper Limit  
Pulse-Glitch or Pulse-Width,  
Hor. scale > 1 ms  
Lower Limit  
1.9 ms  
1.9 ms  
__________  
__________  
__________  
__________  
2.1 ms  
2.1 ms  
Upper Limit  
Main Trigger, DC Coupled, Positive Slope  
Main Trigger, DC Coupled, Negative Slope  
Delayed Trigger, DC Coupled, Positive Slope  
Delayed Trigger, DC Coupled, Negative Slope  
CH1 Sensitivity, 50 MHz, Main  
9.863 V  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
10.137 V  
10.137 V  
10.137 V  
10.137 V  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
9.863 V  
9.863 V  
9.863 V  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
CH1 Sensitivity, 50 MHz, Delayed  
CH1 AUX Trigger Input  
CH1 Sensitivity, 1 GHz, Main  
CH1 Sensitivity, 1 GHz, Delayed  
Output Signal Checks  
MAIN TRIGGER OUTPUT, 1 MW  
High  
Low  
High 2.5 V  
High 1.0 V  
High 1.0 V  
High 2.5 V  
__________  
__________  
__________  
__________  
Low 0.7 V  
Low 0.25 V  
Low 0.25 V  
Low 0.7 V  
MAIN TRIGGER OUTPUT, 50 W  
High  
Low  
__________  
__________  
__________  
__________  
DELAYED TRIGGER OUTPUT, 50 W  
__________  
__________  
__________  
__________  
DELAYED TRIGGER OUTPUT, 1 MW  
__________  
__________  
__________  
__________  
1–20  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance Tests  
TDS 600B Test Record (cont.)  
Instrument Serial Number:  
Temperature:  
Certificate Number:  
RH %:  
Date of Calibration:  
Technician:  
TDS 600B Performance Test  
CH 3 or AX1 SIGNAL OUTPUT, 1 MW  
CH 3 or AX1 SIGNAL OUTPUT, 50 W  
Probe Compensator Output Signal  
Frequency (CH1 Freq).  
Minimum  
Incoming  
Outgoing  
Maximum  
Pk-Pk 80 mV  
Pk-Pk 40 mV  
__________  
__________  
__________  
__________  
Pk-Pk 120 mV  
Pk-Pk 60 mV  
950 Hz  
495 mV  
__________  
__________  
__________  
__________  
1.050 kHz  
505 mV  
Voltage (difference)  
1–21  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance Tests  
TDS 500D/700D Test Record  
Photocopy this and the next three pages and use them to record the performance  
test results for your TDS 500D/700D. The TDS 794D Test Record begins on  
page 1–26.  
TDS 500D/700D Test Record  
Instrument Serial Number:  
Temperature:  
Certificate Number:  
RH %:  
Date of Calibration:  
Technician:  
TDS 500D/700D Performance Test  
Minimum  
Incoming  
Outgoing  
Maximum  
Offset Accuracy  
CH1 Offset  
+1 mV  
+101 mV  
+1.01 V  
– 1.6 mV  
– 25.1 mV  
– 251 mV  
__________  
__________  
__________  
__________  
__________  
__________  
+ 1.6 mV  
+ 25.1 mV  
+ 251 mV  
CH2 Offset  
+1 mV  
+101 mV  
+1.01 V  
– 1.6 mV  
– 25.1 mV  
– 251 mV  
__________  
__________  
__________  
__________  
__________  
__________  
+ 1.6 mV  
+ 25.1 mV  
+ 251 mV  
CH3 or AX1 Offset +1 mV  
+101 mV  
– 1.6 mV  
– 25.1 mV  
– 251 mV  
__________  
__________  
__________  
__________  
__________  
__________  
+ 1.6 mV  
+ 25.1 mV  
+ 251 mV  
+1.01 V  
CH4 or AX2 Offset +1 mV  
+101 mV  
– 1.6 mV  
– 25.1 mV  
– 251 mV  
__________  
__________  
__________  
__________  
__________  
__________  
+ 1.6 mV  
+ 25.1 mV  
+ 251 mV  
+1.01 V  
DC Voltage Measurement Accuracy (Averaged)  
CH1  
CH1  
CH1  
CH1  
CH1  
CH1  
CH2  
CH2  
CH2  
5 mV Vert scale setting,  
–5 Div position setting, +1 V offset  
+ 1.0355 V  
– 1.0445 V  
+ 11.5195 V  
– 11.6805 V  
+ 17.621 V  
– 18.379 V  
+ 1.0355 V  
– 1.0445 V  
+ 11.5195 V  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
+ 1.0445 V  
– 1.0355 V  
+ 11.6805 V  
– 11.5195 V  
+ 18.379 V  
– 17.621 V  
+ 1.0445 V  
– 1.0355 V  
+ 11.6805 V  
5 mV Vert scale setting,  
+5 Div position setting, –1 V offset  
200 mV Vert scale setting,  
–5 Div position setting, +10 V offset  
200 mV Vert scale setting,  
+5 Div position setting, –10 V offset  
1.01 V Vert scale setting,  
–5 Div position setting, +10 V offset  
1.01 V Vert scale setting,  
+5 Div position setting, –10 V offset  
5 mV Vert scale setting,  
–5 Div position setting, +1 V offset  
5 mV Vert scale setting,  
+5 Div position setting, –1 V offset  
200 mV Vert scale setting,  
–5 Div position setting, +10 V offset  
1–22  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance Tests  
TDS 500D/700D Test Record (cont.)  
Instrument Serial Number:  
Temperature:  
Certificate Number:  
RH %:  
Date of Calibration:  
Technician:  
TDS 500D/700D Performance Test  
Minimum  
Incoming  
Outgoing  
Maximum  
CH2  
CH2  
CH2  
CH3  
200 mV Vert scale setting,  
+5 Div position setting, –10 V offset  
– 11.6805 V  
__________  
__________  
– 11.5195 V  
1.01 V Vert scale setting,  
–5 Div position setting, +10 V offset  
+ 17.621 V  
– 18.379 V  
+ 1.0355 V  
– 1.0445 V  
+ 11.5195 V  
– 11.6805 V  
+ 17.621 V  
– 18.379 V  
+ 1.0355 V  
– 1.0445 V  
+ 11.5195 V  
– 11.6805 V  
+ 17.621 V  
– 18.379 V  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
+ 18.379 V  
– 17.621 V  
+ 1.0445 V  
– 1.0355 V  
+ 11.6805 V  
– 11.5195 V  
+ 18.379 V  
– 17.621 V  
+ 1.0445 V  
– 1.0355 V  
+ 11.6805 V  
– 11.5195 V  
+ 18.379 V  
– 17.621 V  
1.01 V Vert scale setting,  
+5 Div position setting, –10 V offset  
5 mV Vert scale setting,  
or AX1 –5 Div position setting, +1 V offset  
CH3 5 mV Vert scale setting,  
or AX1 +5 Div position setting, –1 V offset  
CH3 200 mV Vert scale setting,  
or AX1 –5 Div position setting, +10 V offset  
CH3 200 mV Vert scale setting,  
or AX1 +5 Div position setting, –10 V offset  
CH3 1.01 V Vert scale setting,  
or AX1 –5 Div position setting, +10 V offset  
CH3 1.01 V Vert scale setting,  
or AX1 +5 Div position setting, –10 V offset  
CH4 5 mV Vert scale setting,  
or AX2 –5 Div position setting, +1 V offset  
CH4 5 mV Vert scale setting,  
or AX2 +5 Div position setting, –1 V offset  
CH4 200 mV Vert scale setting,  
or AX2 –5 Div position setting, +10 V offset  
CH4 200 mV Vert scale setting,  
or AX2 +5 Div position setting, –10 V offset  
CH4 1.01 V Vert scale setting,  
or AX2 –5 Div position setting, +10 V offset  
CH4 1.01 V Vert scale setting,  
or AX2 +5 Div position setting, –10 V offset  
Analog Bandwidth  
CH1  
CH2  
CH3  
100 mV  
100 mV  
424 mV  
424 mV  
424 mV  
__________  
__________  
__________  
__________  
__________  
__________  
N/A  
N/A  
N/A  
or AX1 100 mV  
CH4  
424 mV  
__________  
__________  
N/A  
or AX2 100 mV  
1–23  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance Tests  
TDS 500D/700D Test Record (cont.)  
Instrument Serial Number:  
Temperature:  
Certificate Number:  
RH %:  
Date of Calibration:  
Technician:  
TDS 500D/700D Performance Test  
Delay Between Channels  
Time Base System  
Minimum  
Incoming  
Outgoing  
Maximum  
N/A  
__________  
__________  
50 ps  
Long Term Sample Rate/  
Delay Time @ 100 ns/10.0 ms  
–2.5 Div  
__________  
__________  
+2.5 Div  
Trigger System Accuracy  
Pulse-Glitch or Pulse-Width,  
Hor. scale 1 ms  
Lower Limit  
3.5 ns  
3.5 ns  
__________  
__________  
__________  
__________  
6.5 ns  
6.5 ns  
Upper Limit  
Pulse-Glitch or Pulse-Width,  
Hor. scale > 1 ms  
Lower Limit  
1.9 ms  
1.9 ms  
__________  
__________  
__________  
__________  
2.1 ms  
2.1 ms  
Upper Limit  
Main Trigger, DC Coupled, Positive Slope  
Main Trigger, DC Coupled, Negative Slope  
Delayed Trigger, DC Coupled, Positive Slope  
Delayed Trigger, DC Coupled, Negative Slope  
CH1 Sensitivity, 50 MHz, Main  
9.8853 V  
9.8853 V  
9.8853 V  
9.8853 V  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
10.1147 V  
10.1147 V  
10.1147 V  
10.1147 V  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
CH1 Sensitivity, 50 MHz, Delayed  
CH1 AUX Trigger Input  
CH1 Sensitivity, full bandwidth, Main  
CH1 Sensitivity, full bandwidth, Delayed  
Output Signal Checks  
MAIN TRIGGER OUTPUT, 1 MW  
High  
Low  
High 2.5 V  
High 1.0 V  
High 1.0 V  
High 2.5 V  
__________  
__________  
__________  
__________  
Low 0.7 V  
Low 0.25 V  
Low 0.25 V  
Low 0.7 V  
MAIN TRIGGER OUTPUT, 50 W  
High  
Low  
__________  
__________  
__________  
__________  
DELAYED TRIGGER OUTPUT, 50 W  
High  
Low  
__________  
__________  
__________  
__________  
DELAYED TRIGGER OUTPUT, 1 MW  
High  
Low  
__________  
__________  
__________  
__________  
1–24  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Performance Tests  
TDS 500D/700D Test Record (cont.)  
Instrument Serial Number:  
Temperature:  
Certificate Number:  
RH %:  
Date of Calibration:  
Technician:  
TDS 500D/700D Performance Test  
CH 3 or AX 1 SIGNAL OUTPUT, 1 MW  
CH 3 or AX 1 SIGNAL OUTPUT, 50 W  
Probe Compensator Output Signal  
Frequency (CH1 Freq).  
Minimum  
Incoming  
Outgoing  
Maximum  
Pk-Pk 88 mV  
Pk-Pk 44 mV  
__________  
__________  
__________  
__________  
Pk-Pk 132 mV  
Pk-Pk 66 mV  
950 Hz  
495 mV  
__________  
__________  
__________  
__________  
1.050 kHz  
505 mV  
Voltage (difference)  
1–25  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Performance Tests  
TDS 794D Test Record  
Photocopy this and the next two pages and use them to record the performance  
test results for your TDS 794D.  
TDS 794D Test Record  
Instrument Serial Number:  
Temperature:  
Certificate Number:  
RH %:  
Date of Calibration:  
Technician:  
TDS 794D Performance Test  
Minimum  
Incoming  
Outgoing  
Maximum  
Offset Accuracy  
CH1 Offset  
CH2 Offset  
CH3 Offset  
CH4 Offset  
+10 mV  
+101 mV  
– 2.5 mV  
– 25.1 mV  
__________  
__________  
__________  
__________  
+ 2.5 mV  
+ 25.1 mV  
+10 mV  
+101 mV  
– 2.5 mV  
– 25.1 mV  
__________  
__________  
__________  
__________  
+ 2.5 mV  
+ 25.1 mV  
+10 mV  
+101 mV  
– 2.5 mV  
– 25.1 mV  
__________  
__________  
__________  
__________  
+ 2.5 mV  
+ 25.1 mV  
+10 mV  
+101 mV  
– 2.5 mV  
– 25.1 mV  
__________  
__________  
__________  
__________  
+ 2.5 mV  
+ 25.1 mV  
DC Voltage Measurement Accuracy (Averaged)  
CH1  
CH1  
CH1  
CH1  
CH1  
CH1  
CH2  
CH2  
CH2  
10 mV Vert scale setting,  
–5 Div position setting, +.5 V offset  
+0.5755 V  
–0.5845 V  
+5.5345 V  
–5.6655 V  
+5.289 V  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
+0.5845 V  
–0.5755 V  
+5.6655 V  
–5.5345 V  
+5.711 V  
10 mV Vert scale setting,  
+5 Div position setting, –.5 V offset  
200 mV Vert scale setting,  
0 Div position setting, +5 V offset  
200 mV Vert scale setting,  
0 Div position setting, –5 V offset  
1 V Vert scale setting,  
0 Div position setting, +2.5 V offset  
1 V Vert scale setting,  
0 Div position setting, –2.5 V offset  
–5.711 V  
–5.289 V  
10 mV Vert scale setting,  
–5 Div position setting, +.5 V offset  
+0.5755 V  
–0.5845 V  
+5.5345 V  
+0.5845 V  
–0.5755 V  
+5.6655 V  
10 mV Vert scale setting,  
+5 Div position setting, –.5 V offset  
200 mV Vert scale setting,  
0 Div position setting, +5 V offset  
1–26  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Performance Tests  
TDS 794D Test Record (cont.)  
Instrument Serial Number:  
Temperature:  
Certificate Number:  
RH %:  
Date of Calibration:  
Technician:  
TDS 794D Performance Test  
Minimum  
Incoming  
Outgoing  
Maximum  
CH2  
CH2  
CH2  
CH3  
CH3  
CH3  
CH3  
CH3  
CH3  
CH4  
CH4  
CH4  
CH4  
CH4  
CH4  
200 mV Vert scale setting,  
0 Div position setting, –5 V offset  
–5.6655 V  
__________  
__________  
–5.5345 V  
1 V Vert scale setting,  
0 Div position setting, +2.5 V offset  
+5.289 V  
–5.711 V  
+0.5755 V  
–0.5845 V  
+5.5345 V  
–5.6655 V  
+5.289 V  
–5.711 V  
+0.5755 V  
–0.5845 V  
+5.5345 V  
–5.6655 V  
+5.289 V  
–5.711 V  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
+5.711 V  
–5.289 V  
+0.5845 V  
–0.5755 V  
+5.6655 V  
–5.5345 V  
+5.711 V  
–5.289 V  
+0.5845 V  
–0.5755 V  
+5.6655 V  
–5.5345 V  
+5.711 V  
–5.289 V  
1 V Vert scale setting,  
0 Div position setting, –2.5 V offset  
10 mV Vert scale setting,  
–5 Div position setting, +.5 V offset  
10 mV Vert scale setting,  
+5 Div position setting, –.5 V offset  
200 mV Vert scale setting,  
0 Div position setting, +5 V offset  
200 mV Vert scale setting,  
0 Div position setting, –5 V offset  
1 V Vert scale setting,  
0 Div position setting, +2.5 V offset  
1 V Vert scale setting,  
0 Div position setting, –2.5 V offset  
10 mV Vert scale setting,  
–5 Div position setting, +.5 V offset  
10 mV Vert scale setting,  
+5 Div position setting, –.5 V offset  
200 mV Vert scale setting,  
0 Div position setting, +5 V offset  
200 mV Vert scale setting,  
0 Div position setting, –5 V offset  
1 V Vert scale setting,  
0 Div position setting, +2.5 V offset  
1 V Vert scale setting,  
0 Div position setting, –2.5 V offset  
Analog Bandwidth  
CH1  
CH2  
CH3  
CH4  
100 mV  
100 mV  
100 mV  
100 mV  
424 mV  
424 mV  
424 mV  
424 mV  
N/A  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
N/A  
N/A  
N/A  
N/A  
50 ps  
Delay Between Channels  
1–27  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Performance Tests  
TDS 794D Test Record (cont.)  
Instrument Serial Number:  
Temperature:  
Certificate Number:  
RH %:  
Date of Calibration:  
Technician:  
TDS 794D Performance Test  
Minimum  
Incoming  
Outgoing  
Maximum  
Time Base System  
Long Term Sample Rate/  
Delay Time @ 100 ns/10.0 ms  
–2.5 Div  
__________  
__________  
+2.5 Div  
Trigger System Accuracy  
Pulse-Glitch or Pulse-Width,  
Hor. scale 1 ms  
Lower Limit  
3.5 ns  
3.5 ns  
__________  
__________  
__________  
__________  
6.5 ns  
6.5 ns  
Upper Limit  
Pulse-Glitch or Pulse-Width,  
Hor. scale > 1 ms  
Lower Limit  
1.9 ms  
1.9 ms  
__________  
__________  
__________  
__________  
2.1 ms  
2.1 ms  
Upper Limit  
Main Trigger, DC Coupled, Positive Slope  
Main Trigger, DC Coupled, Negative Slope  
Delayed Trigger, DC Coupled, Positive Slope  
Delayed Trigger, DC Coupled, Negative Slope  
CH1 Sensitivity, 50 MHz, Main  
4.8953 V  
4.8953 V  
4.8953 V  
4.8953 V  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
__________  
5.1047 V  
5.1047 V  
5.1047 V  
5.1047 V  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
Pass/Fail  
CH1 Sensitivity, 50 MHz, Delayed  
CH1 AUX Trigger Input  
CH1 Sensitivity, full bandwidth, Main  
CH1 Sensitivity, full bandwidth, Delayed  
Output Signal Checks  
MAIN TRIGGER OUTPUT, 50 W  
High  
Low  
High 1.0 V  
__________  
__________  
__________  
__________  
Low 0.25 V  
DELAYED TRIGGER OUTPUT, 50 W  
High  
Low  
High 1.0 V  
__________  
__________  
__________  
__________  
Low 0.25 V  
CH 3 SIGNAL OUTPUT, 50 W  
Probe Compensator Output Signal  
Frequency (CH1 Freq).  
Pk-Pk 44 mV  
__________  
__________  
Pk-Pk 66 mV  
950 Hz  
495 mV  
__________  
__________  
__________  
__________  
1.050 kHz  
505 mV  
Voltage (difference)  
1–28  
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Performance Tests  
Signal Acquisition System Checks  
These procedures check those characteristics that relate to the signal-acquisition  
system and are listed as checked under Warranted Characteristics in Specifica-  
tions. Refer to Table 1–1 on page 1–16 for test equipment specifications.  
Check Offset Accuracy  
(Zero Setting)  
Equipment  
required  
None  
Prerequisites  
The oscilloscope must meet the prerequisites listed on page 1–15.  
See Input Channels vs. Model on page 1–2.  
1. Preset the instrument controls:  
a. Initialize the oscilloscope:  
H
H
H
H
Press save/recall SETUP.  
Press the main-menu button Recall Factory Setup.  
Press the side-menu button OK Confirm Factory Init.  
Press CLEAR MENU to remove the menus from the screen.  
b. Modify the default settings:  
H
H
Press SHIFT; then press ACQUIRE MENU.  
On the TDS 600B, press the main-menu button Mode; then press the  
side-menu button Average 16.  
H
On the TDS 500D and 700D, press the main-menu button Mode;  
then press the side-menu button Hi Res.  
H
H
Press CURSOR.  
Press the main-menu button Function; then press the side-menu  
button H Bars.  
H
H
Press CLEAR MENU.  
Be sure to disconnect any input signals from all four channels.  
2. Confirm input channels are within limits for offset accuracy at zero offset:  
Do the following substeps — test CH 1 first, skipping substep a, since CH 1  
is already set up to be checked from step 1.  
a. Select an unchecked channel: Press WAVEFORM OFF to remove the  
channel just confirmed from the display. Then, press the front-panel  
button that corresponds to the channel you are to confirm.  
1–29  
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Performance Tests  
b. Set the vertical scale: Set the vertical SCALE to one of the settings  
listed in Table 1–2 that is not yet checked. (Start with the first setting  
listed).  
H
H
Press VERTICAL MENU. Press the main-menu button Fine Scale.  
Use the keypad to enter the vertical scale. For the 1 mV setting,  
press 1, SHIFT, m, then ENTER. For the 101 mV setting, press  
101, SHIFT, m, then ENTER. For the 1.01 V setting, press 1.01,  
then ENTER.  
H
Press CLEAR MENU.  
Table 1–2: DC offset accuracy (zero setting)  
TDS 500D/700D  
(except TDS 794D)  
offset accuracy  
limits  
Vertical  
position and  
offset setting  
Vertical scale  
setting  
TDS 600B offset  
accuracy limits  
1
1 mV  
0
0
0
±2.1 mV  
±1.6 mV  
±25.1 mV  
±251 mV  
101 mV  
1.01 V  
±75.6 mV  
±756 mV  
TDS 794D offset accuracy limits  
10 mV  
0
0
±2.5 mV  
101 mV  
±25.1 mV  
1
Vertical position is set to 0 divisions and vertical offset to 0 V when the  
oscilloscope is initialized in step 1.  
c. Display the test signal: The waveform position and offset were  
initialized for all channels in step 1 and are displayed as you select each  
channel and its vertical scale.  
d. Measure the test signal: Align the active cursor over the waveform by  
rotating the general purpose knob. Ignore the other cursor. See  
Figure 1–4.  
e. Read the measurement results at the absolute (@:) cursor readout, not  
the delta (D:) readout on screen. That is, read the offset relative to the  
ground reference. See Figure 1–4.  
f. Check against limits: Do the following subparts in the order listed.  
H
CHECK that the measurement results are within the limits listed for  
the current vertical scale setting.  
1–30  
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Performance Tests  
H
H
Enter voltage on test record.  
Repeat substeps b through f until all vertical scale settings listed in  
Table 1–2, are checked for the channel under test.  
Read the  
measurement  
results.  
2
1
Align the active cursor  
over the waveform.  
Figure 1–4: Measurement of DC offset accuracy at zero setting – TDS 684B shown  
g. Test all channels: Repeat substeps a through f for all input channels.  
1–31  
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Performance Tests  
Check DC Voltage  
Measurement Accuracy  
WARNING. The generator is capable of outputting dangerous voltages. Be sure to  
set the DC calibration generator to 0 volts before connecting, disconnecting,  
and/or moving the test hookup during the performance of this procedure. Also,  
check that the calibrator does not have shorting straps installed between the DC  
and sense outputs or grounds.  
Equipment  
required  
Two dual-banana connectors (Item 6)  
One BNC T connector (Item 7)  
One DC calibration generator (Item 9)  
Two precision 50 W coaxial cables (Item 5)  
The oscilloscope must meet the prerequisites listed on page 1–15  
See Input Channels vs. Model on page 1–2.  
Prerequisites  
1. Install the test hookup and preset the instrument controls:  
a. Hook up the test-signal source:  
H
H
Set the output of a DC calibration generator to 0 volts.  
Connect the output of a DC calibration generator through a  
dual-banana connector followed by a 50 W precision coaxial cable to  
one side of a BNC T connector. See Figure 1–5.  
H
Connect the Sense output of the generator through a second  
dual-banana connector followed by a 50 W precision coaxial cable to  
the other side of the BNC T connector. Now connect the BNC T  
connector to CH 1. See Figure 1–5.  
Output Sense  
Oscilloscope  
DC Calibrator  
Dual banana to  
BNC adapters  
BNC T  
connector  
50 W coaxial cables  
Figure 1–5: Initial test hookup  
1–32  
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Performance Tests  
b. Initialize the oscilloscope:  
H
H
H
Press save/recall SETUP.  
Press the main-menu button Recall Factory Setup.  
Press the side-menu button OK Confirm Factory Init.  
c. Modify the default settings:  
H
H
Press SHIFT; then press ACQUIRE MENU.  
Press the main-menu button Mode; then press the side-menu button  
Average 16.  
2. Confirm input channels are within limits for DC accuracy at maximum offset  
and position: Do the following substeps — test CH 1 first, skipping substep  
2a since CH 1 is already selected from step 1.  
a. Select an unchecked channel:  
H
H
Press WAVEFORM OFF to remove the channel just confirmed  
from the display.  
Press the front-panel button that corresponds to the channel you are  
to confirm.  
H
H
Set the generator output to 0 V.  
Move the test hookup to the channel you selected.  
b. Turn on the measurement Mean for the channel:  
H
H
Press MEASURE, then press the main-menu button Select  
Measrmnt for CHx.  
Press the side-menu button more until the menu label Mean appears  
in the side menu (its icon is shown at the left). Press the side-menu  
button Mean.  
H
Press CLEAR MENU.  
c. Set the vertical scale: Set the vertical SCALE to one of the settings  
listed in Table 1–3 that is not yet checked. (Start with the first setting  
listed).  
1–33  
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Performance Tests  
Table 1–3: DC Voltage measurement accuracy  
Position  
TDS 500D/700D  
(except TDS 794D)  
Accuracy limits  
Scale  
Offset Generator TDS 600B  
setting setting Accuracy limits  
setting  
(Divs)  
setting  
5 mV  
–5  
+5  
+1 V  
+1.040 V  
–1.040 V  
+11.6 V  
–11.6 V  
+18V  
+1.0329 V to +1.0471 V  
–1.0471 V to –1.0329 V  
+1.0355 V to +1.0445 V  
–1.0445 V to –1.0355 V  
–1 V  
200 mV –5  
+10 V  
–10 V  
+10 V  
–10 V  
+11.4165 V to +11.7835 V +11.5195 V to +11.6805 V  
–11.7835 V to –11.4165 V –11.6805 V to –11.5195 V  
+5  
1.01 V –5  
+5  
+17.102 V to +18.899 V  
–18.899 V to –17.102 V  
+17.621 V to +18.379 V  
–18.379 V to –17.621 V  
–18 V  
TDS 794D Accuracy limits  
+0.5755 V to +0.5845 V  
–0.5845 V to –0.5755 V  
+5.5345 V to +5.6655 V  
–5.6655 V to –5.5345 V  
+5.289 V to +5.711 V  
10 mV –5  
+5  
+0.5 V +0.58 V  
–0.5 V –0.58 V  
200 mV  
0
0
0
0
+5 V  
–5 V  
+5.6 V  
–5.6 V  
1 V  
+2.5 V +5.5 V  
–2.5 V –5.5 V  
–5.711 V to –5.289 V  
d. Display the test signal:  
H
H
Press VERTICAL MENU. Press the main-menu button Position.  
Use the keypad to set vertical position to –5 divisions (press –5, then  
ENTER, on the keypad). The baseline level will move off screen.  
H
H
Press the main-menu button Offset.  
Use the keypad to set vertical offset to the positive-polarity setting  
listed in the table for the current vertical scale setting. The baseline  
level will remain off screen.  
H
Set the generator to the level and polarity indicated in the table for  
the vertical scale, position, and offset settings you have made. The  
DC test level should appear on screen. (If it doesn’t return, the DC  
accuracy check has failed for the current vertical scale setting of the  
current channel).  
e. Measure the test signal: Press CLEAR MENU. Read the measurement  
results at the Mean measurement readout. See Figure 1–6.  
1–34  
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Performance Tests  
Turn on the  
measurement called  
mean and read the  
results here.  
Figure 1–6: Measurement of DC accuracy at maximum offset and position  
f. Check against limits:  
H
CHECK that the readout for the measurement Mean readout on  
screen is within the limits listed for the current vertical scale and  
position/offset/generator settings. Enter value on test record.  
H
H
Repeat substep d, reversing the polarity of the position, offset, and  
generator settings as is listed in the table.  
CHECK that the Mean measurement readout on screen is within the  
limits listed for the current vertical scale setting and position/offset/  
generator settings. Enter value on test record.  
H
Repeat substeps c through f until all vertical scale settings, listed in  
Table 1–3, are checked for the channel under test.  
g. Test all channels: Repeat substeps a through f for all four channels.  
3. Disconnect the hookup:  
a. Set the generator output to 0 V.  
b. Disconnect the cable from the generator output at the input connector of  
the channel last tested.  
1–35  
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Performance Tests  
Check Analog Bandwidth  
Equipment  
required  
One sine wave generator (Item 14)  
One level meter and power sensor (Item 15)  
One power splitter (Item 16)  
One female N to male BNC adapter (Item 18)  
Four male N to female BNC adapters (Item 17)  
Two 50 W precision cables (Item 5)  
Attenuators (Items 1 and 2)  
Optional: One high-frequency leveled sine wave generator and its  
leveling head – replaces items 14, 15, 16, 17, and 18  
Prerequisites  
See page 1–15  
1. Install the test hookup and preset the instrument controls:  
a. Initialize the oscilloscope:  
H
Press save/recall SETUP. Press the main-menu button Recall  
Factory Setup; then press the side-menu button OK Confirm  
Factory Init.  
b. Modify the default settings:  
H
H
Press TRIGGER MENU.  
Press the main-menu button Coupling. Then press the side menu  
button Noise Rej.  
H
H
H
Turn the horizontal SCALE knob to 50 ns. Press SHIFT; then press  
ACQUIRE MENU.  
Press the main-menu button Mode; then press the side-menu button  
Average 16.  
Press MEASURE. Press the main-menu button Level Setup; then  
press the side-menu button Min-Max.  
1–36  
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Performance Tests  
NOTE. The sine wave generator output amplitude must be leveled to within  
0.35 db of the reference frequency (10 MHz) through the bandwidth frequency  
listed in Table 1–4. The 0.35 db requirement is necessary to ensure a bandwidth  
that meets Tektronix specifications.  
You can perform bandwidth PV using an unleveled sine wave generator (with  
amplitude error > 0.35 db). Under these conditions, the bandwidth PV is subject  
to the flatness errors associated with the generator used.  
Refer to the Sine Wave Generator Leveling Procedure on page 1–88 if your sine  
wave generator does not have automatic output amplitude leveling.  
c. Hook up the test-signal source: Connect the sine wave output of a  
leveled sine wave generator to CH 1. Set the output of the generator to a  
reference frequency of 10 MHz or less. See Figure 1–7.  
For the optional setup using a leveled sine wave generator with a  
leveling head, see Figure 1–8 and, if using this optional setup with the  
example Tektronix SG 504, set the generator output to 6 MHz.  
Sine Wave  
Generator  
Oscilloscope  
Output  
Figure 1–7: Initial test hookup  
High Frequency Sine  
Wave Generator  
Oscilloscope  
Output  
Leveling head  
Figure 1–8: Optional initial test hookup  
1–37  
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Performance Tests  
2. Confirm the input channels are within limits for analog bandwidth: Do the  
following substeps test CH 1 first, skipping substeps a and b since CH 1  
is already set up for testing from step 1.  
a. Select an unchecked channel:  
H
H
H
Press WAVEFORM OFF to remove the channel just confirmed  
from display.  
Press the front-panel button that corresponds to the channel you are  
to confirm.  
Move the leveling output of the sine wave generator to the channel  
you selected.  
b. Match the trigger source to the channel selected:  
H
Press TRIGGER MENU. Press the main-menu button Source; then  
press the side-menu button that corresponds to the channel selected.  
c. Set its input impedance: (This substep is not required on the TDS 794D.)  
H
H
Press VERTICAL MENU; then press the main-menu button  
Coupling.  
Press the side-menu W button to toggle it to the 50 W setting.  
d. Set the vertical scale: Set the vertical SCALE to one of the settings  
listed in Table 1–4 not yet checked. (Start with the 100 mV setting).  
1–38  
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Performance Tests  
Table 1–4: Analog bandwidth  
Test frequency  
TDS 580D  
TDS 520D  
TDS 680B  
TDS 684B  
TDS 784D  
TDS 540D  
TDS 724D  
TDS 754D  
Reference amplitude Horizontal  
TDS 620B  
TDS 644B  
(6 divisions)  
600 mV  
6 mV  
scale  
1 ns  
1 ns  
1 ns  
1 ns  
1 ns  
1 ns  
1 ns  
1 ns  
1 ns  
1 ns  
Vertical scale  
100 mV  
1 mV  
–3 db Limits  
424 mV  
4.24 mV  
8.48 mV  
21.2 mV  
42.4 mV  
84.8 mV  
212 mV  
848 mV  
TDS 794D  
2 GHz  
NA  
1 GHz  
500 MHz  
250 MHz  
300 MHz  
450 MHz  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
450 MHz  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
600 MHz  
750 MHz  
1 GHz  
2 mV  
12 mV  
NA  
5 mV  
30 mV  
NA  
10 mV  
60 mV  
2 GHz  
2 GHz  
2 GHz  
2 GHz  
2 GHz  
2 GHz  
20 mV  
120 mV  
300 mV  
1.2 V  
1 GHz  
50 mV  
1 GHz  
200 mV  
500 mV  
1 GHz  
1
1
3 V  
1 GHz  
2.12 V  
1
1
1 V  
6 V  
1 GHz  
4.24 V  
1
If your generator cannot output 6 divisions of amplitude, set it to its maximum output. The –3 db limit can be calculated as:  
0.707   reference amplitude.  
e. Display the test signal: Do the following subparts to first display the  
reference signal and then the test signal.  
H
H
Press MEASURE; then press the main-menu button Select  
Measrmnt for CHx.  
Press the side-menu button more, if needed, until the menu label  
Frequency appears in the side menu (its icon is shown at the left).  
Press the side-menu button Frequency.  
H
Press the side-menu button more until the menu label Pk-Pk  
appears in the side menu (its icon is shown at the left). Press the  
side-menu button Pk-Pk.  
H
H
Press CLEAR MENU.  
Set the generator output so the CHx Pk-Pk readout equals the  
reference amplitude in Table 1–4 that corresponds to the vertical  
scale set in substep d.  
H
Press the front-panel button SET LEVEL TO 50% as necessary to  
trigger a stable display. At full bandwidth, you may also want to  
make small, manual adjustments to the trigger level. You can use the  
TRIGGER LEVEL knob to do this. (Full bandwidth varies with  
TDS model as is shown in Table 1–4).  
1–39  
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Performance Tests  
f. Measure the test signal:  
H
H
H
Set the frequency of the generator, as shown on screen, to the test  
frequency in Table 1–4 that corresponds to the vertical scale set in  
substep d. See Figure 1–9.  
Set the horizontal SCALE to the horizontal scale setting in  
Table 1–4 that corresponds to the vertical scale set in substep d.  
Press SET LEVEL TO 50% as necessary to trigger the signal.  
Read the results at the CHx Pk-Pk readout, which will automatically  
measure the amplitude of the test signal. See Figure 1–9.  
Read results.  
3
1
Set the generator  
(reference) frequency to  
the test frequency from  
Table 1–4.  
Set the horizontal scale  
from Table 1–4.  
2
Figure 1–9: Measurement of analog bandwidth  
g. Check against limits:  
H
CHECK that the Pk-Pk readout on screen is within the limits listed  
in Table 1–4 for the current vertical scale setting.  
H
H
Enter voltage on test record.  
When finished checking, set the horizontal SCALE back to the  
50 ns setting.  
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Performance Tests  
STOP. Checking each channels bandwidth at all vertical scale settings is time  
consuming and unnecessary. You may skip checking the remaining vertical scale  
settings in Table 1–4 (that is, skip the following substep, h) if this oscilloscope  
has performed as follows:  
H
H
Passed the 100 mV vertical scale setting just checked in this  
procedure.  
Passed the Verify Internal Adjustment, Self Compensation, and  
Diagnostics procedure found under Self Tests, on page 1–5.  
NOTE. Passing the signal path compensation confirms the signal path for all  
vertical scale settings for all channels. Passing the internal diagnostics ensures  
that the factory-set adjustment constants that control the bandwidth for each  
vertical scale setting have not changed.  
h. Check remaining vertical scale settings against limits (optional):  
H
If desired, finish checking the remaining vertical scale settings for  
the channel under test by repeating substeps d through g for each of  
the remaining scale settings listed in Table 1–4 for the channel under  
test.  
H
H
When doing substep e, skip the subparts that turn on the CHx Pk-Pk  
measurement until you check a new channel.  
Install/remove attenuators between the generator leveling head and  
the channel input as needed to obtain the six division reference  
signals listed in the table.  
i. Test all channels: Repeat substeps a through g for all four channels.  
3. Disconnect the hookup: Disconnect the test hook up from the input  
connector of the channel last tested.  
Check Delay Between  
Channels  
Equipment  
required  
One sine wave generator (Item 14)  
One precision 50 W coaxial cable (Item 5)  
One 50 W terminator (Item 4)  
One dual-input coupler (Item 8)  
See page 1–15  
Prerequisites  
See Input Channels vs. Model on page 1–2.  
1–41  
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Performance Tests  
STOP. DO NOT use the vertical position knob to reposition any channel while  
doing this check. To do so invalidates the test.  
1. Install the test hookup and preset the instrument controls:  
a. Initialize the front panel:  
H
H
H
Press save/recall SETUP.  
Press the main-menu button Recall Factory Setup.  
Press the side-menu button OK Confirm Factory Init.  
b. Modify the initialized front-panel control settings:  
H
Do not adjust the vertical position of any channel during this  
procedure.  
H
H
H
Set the horizontal SCALE to 500 ps.  
Press SHIFT; then press ACQUIRE MENU.  
Press the main-menu button Mode, and then press the side-menu  
button Average 16.  
c. Hook up the test-signal source:  
H
Connect the sine wave output of a sine wave generator to a 50 W  
precision coaxial cable followed by a 50 W termination and a  
dual-input coupler. (If checking a TDS 794D, substitute a power  
divider and two 50 W coaxial cables for the 50 W termination and  
dual-input coupler).  
H
Connect the coupler to both CH 1 and CH 2. See Figure 1–10.  
Sine Wave  
Generator  
Oscilloscope  
Output  
Dual input  
coupler  
50 W terminator  
Figure 1–10: Initial test hookup  
1–42  
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Performance Tests  
2. Confirm all four channels are within limits for channel delay:  
a. Set up the generator: Set the generator frequency to 250 MHz and the  
amplitude for about six divisions in CH 1.  
Hint: As you are adjusting the generator amplitude, push SET LEVEL  
TO 50% frequently to speed up the updating of the waveform amplitude  
on screen.  
b. The horizontal SCALE should already be set to 500 ps. On the  
TDS 580D, TDS 784D, TDS 794D, and 600B, now set it to 200 ps. On  
the TDS 520D, 540D, 724D, and 754D, push the front-panel ZOOM  
button, press the side-menu On button, set the horizontal SCALE to  
250 ps, and be sure the vertical scale factor is kept at 1.0X and the  
horizontal scale factor is 2.0X.  
c. Save a CH 2 waveform: Press CH 2. Be sure the vertical scale factor is  
kept at 1.0X. Then press save/recall WAVEFORM. Now, press the  
main-menu button Save Wfm; then press the side-menu button  
To Ref 2.  
d. Save CH 3 (AX1 on some TDS models) waveform:  
H
Move the coupler from CH 2 to CH 3 (AUX1 on some TDS  
models), so that CH 1 and CH 3 are driven. Press WAVEFORM  
OFF. Press CH 3. Be sure the vertical scale factor is kept at 1.0X.  
Then press the side-menu button To Ref 3.  
e. Display all test signals:  
H
H
Press WAVEFORM OFF to remove CH 3 (AX1 on some TDS  
models) from the display.  
Display the live waveform. Move the coupler from CH 3 to CH 4,  
so that CH 1 and CH 4 are driven. (Use AUX1 and AUX2 instead of  
CH3 and CH4 if your TDS model is so equipped). Press CH 4 to  
display. Be sure the vertical scale factor is kept at 1.0X. See Figure  
1–11 on page 1–44.  
H
Display the reference waveforms. To do this, press the front-panel  
button MORE. Press the main-menu buttons Ref 2 and Ref 3. You  
may notice their overlapping ground reference indicators. See  
Figure 1–11 on page 1–44.  
f. Measure the test signal:  
H
Locate the time reference points for these waveforms. Do this by  
first identifying the point where the rising edge of the left-most  
waveform crosses the center horizontal graticule line. Next, note the  
corresponding time reference point for the right-most waveform. See  
Figure 1–11 on page 1–44.  
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Performance Tests  
H
H
Press CURSOR.  
Press the main-menu button Function; then press the side-menu  
button V Bars.  
H
H
Press CLEAR MENU.  
Align one V bar cursor to the time reference point of the left-most  
waveform edge and the other cursor to the time reference point of the  
right-most waveform edge by rotating the General Purpose knob.  
(Press SELECT to switch between the two cursors). See Figure  
1–11 on page 1–44.  
H
Read the measurement results at the D: cursor readout, not the @:  
readout on screen.  
Read results.  
4
1
Display the waveforms.  
2
3
Locate the time reference  
points for these waveforms.  
Align each cursor to the time  
reference points  
Figure 1–11: Measurement of channel delay – TDS 684B shown  
g. Check against limits: CHECK that the cursor readout on screen is  
100 ps for the TDS 600B or 50 ps for the TDS 500D/700D.  
h. If the channel skew is within the limits, enter time on the test record and  
proceed to step 3. Otherwise, proceed with steps i through p.  
1–44  
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Performance Tests  
i. Use the cursors to measure the skew from CH1 to CH2, CH1 to CH3,  
and CH1 to CH4 (use AX1 and AX2 instead of CH3 and CH4 if your  
TDS model is so equipped). Write down these three numbers in the first  
measurement column of Table 1–5. Note that these numbers may be  
either positive or negative.  
j. Repeat the procedure from step 1.c through 2.e.  
k. Again use the cursors to measure the skew from CH1 to CH2, CH1 to  
CH3, and CH1 to CH4. Write down these numbers in the second  
measurement column of Table 1–5. Note that these numbers may be  
either positive or negative.  
l. Add the first CH1 to CH2 skew measurement to the second CH1 to CH2  
skew measurement and divide the result by 2. Use Table 1–5.  
m. Add the first CH1 to CH3 (AX1 on some TDS models) skew measure-  
ment to the second CH1 to CH3 skew measurement and divide the result  
by 2. Use Table 1–5.  
n. Add the first CH1 to CH4 (AX2 on some TDS models) skew measure-  
ment to the second CH1 to CH4 skew measurement and divide the result  
by 2. Use Table 1–5.  
o. Check against limits: CHECK that the largest of the three results from  
steps l, m, and n is between –100 ps and + 100 ps for the TDS 600B or  
between –50 ps and + 50 ps for the TDS 500D/700D.  
p. Enter time on the test record.  
Table 1–5: Delay between channels worksheet  
Add first and  
First  
Second  
Divide sum  
by 2  
second  
measurement  
measurement  
Coupling  
measurements  
CH1 to CH2  
skew  
CH1 to CH3  
skew  
CH1 to CH4  
skew  
3. Disconnect the hookup: Disconnect the cable from the generator output at  
the input connectors of the channels.  
1–45  
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Performance Tests  
Time Base System Checks  
These procedures check those characteristics that relate to the Main and Delayed  
time base system and are listed as checked under Warranted Characteristics in  
Specifications.  
Check Accuracy for  
Long-Term Sample Rate  
and Delay Time  
Equipment  
required  
One time-mark generator (Item 11), or  
Sine wave generator (Item 14)  
One 50 W, precision coaxial cable (Item 5)  
Prerequisites  
See page 1–15  
Time Mark or  
Sine Wave  
Generator  
Oscilloscope  
Output  
50 W coaxial cable  
Figure 1–12: Initial test hookup  
1. Install the test hookup and preset the instrument controls:  
a. Hook up the test-signal source: Connect, through a 50 W precision  
coaxial cable, the output of the generator to CH 1.  
H
H
If using a time-mark generator, set the output for 10 ms markers.  
If using a sine wave generator, set the output for 1.2 V and 500 kHz.  
b. Initialize the oscilloscope:  
H
Press save/recall SETUP. Press the main-menu button Recall  
Factory Setup. Press the side-menu button OK Confirm Factory  
Init.  
c. Modify the initialized front-panel control settings:  
H
H
Set the vertical SCALE to 200 mV (or 500 mV with the optional  
Tektronix TG 501A Time Mark Generator).  
Set the horizontal SCALE of the Main time base to 2 ms.  
1–46  
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Performance Tests  
H
Press VERTICAL MENU; then press the main-menu button  
Coupling. Press the side-menu button W to toggle it to the 50 W  
setting. (This step is not required on the TDS 794D.)  
H
H
H
Press SET LEVEL TO 50%.  
Use the vertical POSITION knob to center the test signal on screen.  
Press TRIGGER MENU; then press the main-menu button Mode  
& Holdoff. Press the side-menu button Normal.  
2. Confirm Main and Delayed time bases are within limits for accuracies:  
a. Display the test signal:  
H
H
Press HORIZONTAL MENU.  
Set horizontal modes. To do this, press the main-menu button Time  
Base. Press the side-menu buttons Delayed Only and Delayed Runs  
After Main. See Figure 1–13.  
b. Measure the test signal:  
H
H
Set the horizontal SCALE of the D (delayed) time base to 500 ns for  
the TDS 600B or to 100 ns for the TDS 500D/700D.  
If using a time-mark generator, align the trigger T to the center  
vertical graticule line by adjusting the horizontal POSITION. See  
Figure 1–13 on page 1–48.  
H
H
If using a sine wave generator, align the rising edge of the sine wave  
on the center graticule crosshairs by adjusting the horizontal  
POSITION.  
Set delayed time to 10.000016 ms. Do this on the keypad by  
pressing 10.000016, then SHIFT, then m followed by ENTER).  
c. Check long-term sample rate and delay time accuracies against limits:  
H
H
CHECK that the rising edge of the marker (or sine wave) crosses  
the center horizontal graticule line at a point within either ±2.0  
divisions, for the TDS 600B, or ±2.5 divisions, for the  
TDS 500D/700D, of center graticule. See Figure 1–13.  
Enter number of divisions on the test record.  
1–47  
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Performance Tests  
Align the trigger T to the  
1
center graticule line.  
Set  
horizontal  
mode.  
2
4
3
Check long–term sample  
rates and delay time  
Set horizontal scale  
and delayed time.  
accuracies against limits.  
Figure 1–13: Measurement of accuracy – Long-term and delay time  
3. Disconnect the hookup: Disconnect the cable from the generator output at  
the input connector of CH 1.  
1–48  
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Performance Tests  
Trigger System Checks  
These procedures check those characteristics that relate to the Main and Delayed  
trigger systems and are listed as checked in Specifications.  
Check Accuracy (Time) for  
Pulse-Glitch or  
Equipment  
required  
One sine wave generator (Item 14)  
One 10X attenuator (Item 1)  
Pulse-Width Triggering  
One 50 W, precision coaxial cable (Item 5)  
Prerequisites  
See page 1–15  
1. Install the test hookup and preset the instrument controls:  
a. Initialize the instrument:  
H
H
H
Press save/recall SETUP.  
Press the main-menu button Recall Factory Setup.  
Press the side-menu button OK Confirm Factory Init.  
b. Modify the default setup:  
H
H
Set the horizontal SCALE to 10 ns on the TDS 600B and 12.5 ns on  
the TDS 500D/700D.  
Press VERTICAL MENU; then press the main-menu button  
Coupling. Now press the side-menu button W to toggle it to the  
50 W setting. (This step is not required on the TDS 794D.)  
c. Hook up the test-signal source: Connect the output of the sine wave  
generator (Item 14) to CH 1.  
Do this through a 50 W precision coaxial cable, followed by a 10X  
attenuator. See Figure 1–14. The 10X attenuator is optional if the SG503  
is used.  
1–49  
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Performance Tests  
Sine Wave Generator  
Oscilloscope  
Output  
10XAttenuator  
50 W coaxial cable  
Figure 1–14: Initial test hookup  
2. Confirm the trigger system is within time-accuracy limits for pulse-glitch or  
pulse-width triggering (Horizontal Scale 1 ms):  
a. Display the test signal: Set the output of the sine wave generator for a  
100 MHz, five-division sine wave on screen. Press SET LEVEL TO  
50%.  
b. Set the trigger mode: Press TRIGGER MENU. Now press the  
main-menu button Mode & Holdoff; then press the side-menu button  
Normal.  
c. Set upper and lower limits that ensure triggering: See Figure 1–15.  
H
H
H
H
H
Press the main-menu button Type; then repeatedly press the same  
button until Pulse is highlighted in the menu that pops up.  
Press the main-menu button Class; then repeatedly press the same  
button until Width is highlighted in the menu that pops up.  
Press the main-menu button Trig When; then press the side-menu  
button Within Limits.  
Press the side-menu button Upper Limit. Use the keyboard to set  
the upper limit to 10 ns: press 10, then SHIFT, then n, and ENTER.  
Press the side-menu button Lower Limit. Use the keypad to set the  
lower limit to 2 ns.  
d. Change limits until triggering stops:  
H
H
Press SET LEVEL TO 50%.  
While doing the following subparts, monitor the display (it will stop  
acquiring) and the front-panel light TRIG (it will extinguish) to  
determine when triggering is lost.  
1–50  
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Performance Tests  
H
H
Press the side-menu button Lower Limit.  
Use the general purpose knob to increase the Lower Limit readout  
until triggering is lost.  
H
CHECK that the Lower Limit readout, after the oscilloscope loses  
triggering, is within 3.5 ns to 6.5 ns, inclusive.  
H
H
Enter time on test record.  
Use the keypad to return the Lower Limit to 2 ns and reestablish  
triggering.  
H
Press the side-menu button Upper Limit; then use the general  
purpose knob to slowly decrease the Upper Limit readout until  
triggering is lost.  
H
H
CHECK that the Upper Limit readout, after the oscilloscope loses  
triggering, is within 3.5 ns to 6.5 ns, inclusive.  
Enter time on test record.  
Set upper  
and lower  
limits that  
ensure  
triggering.  
Then change  
limits until  
triggering  
stops.  
Figure 1–15: Measurement of time accuracy for pulse and glitch triggering  
3. Confirm the trigger system is within time-accuracy limits for pulse-glitch or  
pulse-width triggering (horizontal scale >1 ms):  
a. Set upper and lower limits that ensure triggering at 250 kHz:  
1–51  
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Performance Tests  
H
H
Press the side-menu button Upper Limit. Use the keyboard to set  
the upper limit to 4 ms.  
Press the side-menu button Lower Limit. Use the keypad to set the  
lower limit to 500 ns.  
b. Display the test signal:  
H
H
Set the horizontal SCALE to 5 ms.  
Set the output of the sine wave generator for a 250 kHz,  
five-division sine wave on screen. Set the vertical SCALE to 20 mV  
(the waveform will overdrive the display).  
H
Press SET LEVEL TO 50%.  
c. Check against limits: Do the following subparts in the order listed.  
H
H
Press the side-menu button Lower Limit.  
Use the general purpose knob to increase Lower Limit readout until  
triggering is lost.  
H
CHECK that the Lower Limit readout, after the oscilloscope stops  
triggering, is within 1.9 ms to 2.1 ms, inclusive.  
H
H
Enter time on test record.  
Use the keypad to return the Lower Limit to 500 ns and reestablish  
triggering.  
H
Press the side-menu button Upper Limit; then use the general  
purpose knob to slowly decrease the Upper Limit readout until  
triggering stops.  
H
H
CHECK that the Upper Limit readout, after the oscilloscope loses  
triggering, is within 1.9 ms to 2.1 ms, inclusive.  
Enter time on test record.  
4. Disconnect the hookup: Disconnect the cable from the generator output at  
the input connector of CH 1.  
1–52  
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Performance Tests  
Check Accuracy,  
Trigger-Level or  
Threshold, DC Coupled  
Equipment  
required  
One DC calibration generator (Item 9)  
One BNC T connector (Item 7)  
Two 50 W, precision coaxial cables (Item 5)  
Prerequisites  
See page 1–15.  
Oscilloscope  
DC Calibrator  
Dual banana to  
BNC adapters  
BNC T  
connector  
50 W coaxial cables  
Figure 1–16: Initial test hookup  
1. Install the test hookup and preset the instrument controls:  
a. Hook up the test-signal source:  
H
H
Set the output of the DC calibration generator to 0 volts.  
Connect the output of the DC calibration generator, through a  
dual-banana connector followed by a 50 W precision coaxial cable,  
to one side of a BNC T connector.  
H
Connect the Sense output of the generator, through a second  
dual-banana connector followed by a 50 W precision coaxial cable,  
to other side of the BNC T connector. Now connect the BNC T  
connector to CH 1.  
b. Initialize the oscilloscope:  
H
H
H
Press save/recall Setup.  
Press the main-menu button Recall Factory Setup.  
Press the side-menu button OK Confirm Factory Init.  
2. Confirm Main trigger system is within limits for Trigger-level/Threshold  
accuracy:  
a. Display the test signal:  
1–53  
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Performance Tests  
H
H
Set the vertical SCALE to 200 mV.  
Press VERTICAL MENU, then press the main-menu button  
Position.  
H
Set vertical position to –3 divisions (press –3, then ENTER, on the  
keypad). The baseline level will move down three divisions. See  
Figure 1–17 on page 1–55.  
H
H
Press the main-menu button Offset.  
Set vertical offset to +10 volts (+5 volts for the TDS 794D) with the  
keypad. The baseline level will move off screen.  
H
Set the standard output of the DC calibration generator equal to the  
offset. The DC test level will appear on screen. See Figure 1–17.  
b. Measure the test signal:  
H
H
H
Press SET LEVEL TO 50%.  
Press TRIGGER MENU.  
Read the measurement results from the readout below the label  
Level in the main menu, not the trigger readout in the graticule area.  
c. Read results (Check against limits): See Figure 1–17.  
H
CHECK that the Level readout in the main menu is within the  
ranges listed in Table 1–6.  
Table 1–6: Trigger level accuracy readout  
Instrument  
TDS 600B  
Minimum  
9.863 V  
Maximum  
10.137 V  
10.1147 V  
5.1047 V  
TDS 500D/700D  
TDS 794D  
9.8853 V  
4.8953 V  
H
H
Enter voltage on test record.  
Press the main-menu button Slope; then press the side-menu button  
for negative slope. See icon at left. Repeat substep b.  
H
H
CHECK that the Level readout in the main menu is within the  
ranges listed in Table 1–6.  
Enter voltage on test record.  
1–54  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Performance Tests  
Set vertical position to –3 divs.  
Set vertical offset to +10 volts.  
1
2
3
Set DC calibration generator  
to equal offset (+10 V).  
Read results.  
Figure 1–17: Measurement of trigger-level accuracy  
3. Confirm Delayed trigger system is within limits for Trigger-level/Threshold  
accuracy:  
a. Select the Delayed time base:  
H
H
H
Press HORIZONTAL MENU.  
Press the main-menu button Time Base.  
Press the side-menu buttons Delayed Only and Delayed Trigger-  
able.  
H
Set D (delayed) horizontal SCALE to 500 ms.  
b. Select the Delayed trigger system:  
H
H
Press SHIFT; then press the front-panel DELAYED TRIG button.  
Press the main-menu button Level.  
c. Measure the test signal: Press the side-menu button SET TO 50%.  
Read the measurement results in the side (or main) menu below the label  
Level.  
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Performance Tests  
d. Check against limits: Do the following subparts in the order listed.  
H
CHECK that the Level readout in the side menu is within the limits  
listed in Table 1–7.  
Table 1–7: Delayed trigger level accuracy readout  
Instrument  
TDS 600B  
Minimum  
9.863 V  
Maximum  
10.137 V  
10.1147 V  
5.1047 V  
TDS 500D/700D  
TDS 794D  
9.8853 V  
4.8953 V  
H
H
Enter voltage on test record.  
Press the main-menu button Slope; then press the side-menu button  
for negative slope. See icon at left. Press the main-menu button  
Level. Repeat substep c.  
H
H
CHECK that the Level readout in the side menu is within the limits  
listed in Table 1–7.  
Enter voltage on test record.  
4. Disconnect the hookup:  
a. First set the output of the DC calibration generator to 0 volts.  
b. Disconnect the cable from the generator output at the input connector of  
CH 1.  
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Performance Tests  
Sensitivity, Edge Trigger,  
DC Coupled  
Equipment  
required  
One sine wave generator (Item 14)  
Two precision 50 W coaxial cables (Item 5)  
One 10X attenuator (Item 1)  
One BNC T connector (Item 7)  
One 5X attenuator (Item 2)  
Prerequisites  
See page 1–15.  
1. Install the test hookup and preset the instrument controls:  
a. Initialize the oscilloscope:  
H
H
H
Press save/recall SETUP.  
Press the main-menu button Recall Factory Setup.  
Press the side-menu button OK Confirm Factory Init.  
b. Modify the initialized front-panel control settings:  
H
H
H
H
Set the horizontal SCALE for the M (main) time base to 20 ns on  
the TDS 600B or 25 ns on the TDS 500D/700D.  
Press HORIZONTAL MENU; then press the main-menu button  
Time Base.  
Press the side-menu button Delayed Only; then press the side-menu  
button Delayed Triggerable.  
Set the horizontal SCALE for the D (delayed) time base to 20 ns on  
the TDS 600B or 25 ns on the TDS 500D/700D; then press the  
side-menu button Main Only.  
H
H
Press TRIGGER MENU; then press the main-menu button Mode  
& Holdoff. Press the side-menu button Normal.  
Press VERTICAL MENU; then press the main-menu button  
Coupling. Press the side-menu button W to select the 50 W setting.  
(This step is not required on the TDS 794D.)  
H
Press SHIFT; then press ACQUIRE MENU. Press the main-menu  
button Mode; then press the side-menu button Average 16.  
c. Hook up the test-signal source:  
H
Connect the signal output of the generator to a BNC T connector.  
Connect one output of the T connector to CH 1 through a 50 W  
precision coaxial cable. Connect the other output of the T connector  
to the AUX TRIG INPUT at the rear panel. See Figure 1–18.  
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Performance Tests  
To AUX TRIG INPUT  
on rear panel  
Sine Wave  
Generator  
Oscilloscope  
Figure 1–18: Initial test hookup  
2. Confirm Main and Delayed trigger systems are within sensitivity limits  
(50 MHz):  
a. Display the test signal:  
H
H
H
Set the generator frequency to 50 MHz.  
Press MEASURE.  
Press the main-menu button Level Setup; then press the side-menu  
button Min-Max.  
H
H
Press the main-menu button Select Measrmnt for Ch1.  
Press the side-menu button –more– until Amplitude appears in the  
side menu (its icon is shown at the left). Press the side-menu button  
Amplitude.  
H
H
H
Press SET LEVEL TO 50%.  
Press CLEAR MENU.  
Set the test signal amplitude for about three and a half divisions on  
screen. Now fine adjust the generator output until the CH 1  
Amplitude readout indicates the amplitude is 350 mV. Readout may  
fluctuate around 350 mV.  
H
Disconnect the 50 W precision coaxial cable at CH 1 and reconnect  
it to CH 1 through a 10X attenuator.  
b. Check the Main trigger system for stable triggering at limits:  
H
Read the following definition: A stable trigger is one that is  
consistent; that is, one that results in a uniform, regular display  
triggered on the selected slope (positive or negative). This display  
should not have its trigger point switching between opposite slopes,  
nor should it roll across the screen. At horizontal scale settings of  
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Performance Tests  
2 ms/division and faster, TRIG’D will remain constantly lighted. It  
will flash for slower settings.  
H
H
Press TRIGGER MENU; then press the main-menu button Slope.  
Press SET LEVEL TO 50%. Adjust the TRIGGER LEVEL knob  
so that the TRIG’D light is on. Set the level to near the middle of  
the range where the TRIG’D light is on. CHECK that the trigger is  
stable for the test waveform on both the positive and negative slopes.  
(Use the side menu to switch between trigger slopes; use the  
TRIGGER LEVEL knob to stabilize the trigger if required.)  
H
H
Enter pass/fail result for main trigger on the test record.  
Leave the Main trigger system triggered on the positive slope of the  
waveform before continuing to the next step.  
Check if stable trigger.  
Figure 1–19: Measurement of trigger sensitivity – 50 MHz results shown on a  
TDS 684B screen  
c. Check Delayed trigger system for stable triggering at limits: Do the  
following subparts in the order listed.  
H
Press HORIZONTAL MENU; then press the main-menu button  
Time Base. Press the side-menu button Delayed Only; then press  
Delayed Triggerable in the same menu.  
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Performance Tests  
H
H
Press SHIFT; then press DELAYED TRIG. Press the main-menu  
button Level.  
Press the side-menu button SET TO 50%.  
CHECK that a stable trigger is obtained for the test waveform for  
both the positive and negative slopes of the waveform. Use the  
TRIGGER LEVEL knob to stabilize the Main trigger. Use the  
general purpose knob to stabilize the Delayed trigger. Press the  
main-menu button Slope; then use the side menu to switch between  
trigger slopes. See Figure 1–19.  
H
H
Enter pass/fail result for delayed trigger on the test record.  
Leave the Delayed trigger system triggered on the positive slope of  
the waveform before continuing to the next step. Also, return to the  
main time base: Press HORIZONTAL MENU; then press the  
main-menu button Time Base. Press the side-menu button Main  
Only.  
H
Press CLEAR MENU.  
3. Confirm the AUX Trigger input:  
a. Display the test signal:  
H
H
H
Remove the 10X attenuator and reconnect the cable to CH 1.  
Set the test signal amplitude for about 2.5 divisions on screen.  
Now fine adjust the generator output until the CH 1 Amplitude  
readout indicates the amplitude is 250 mV. (Readout may fluctuate  
around 250 mV).  
b. Check the AUX trigger source for stable triggering at limits: Do the  
following in the order listed.  
H
H
H
Use the definition for stable trigger from step 2.  
Press TRIGGER MENU; then press the main-menu button Source.  
Press the side-menu button –more– until the side-menu label  
DC Aux appears; then press DC Aux.  
H
Press SET LEVEL TO 50%. CHECK that a stable trigger is  
obtained for the test waveform on both the positive and negative  
slopes. Press the main-menu button Slope; then use the side menu to  
switch between trigger slopes. Use the TRIGGER LEVEL knob to  
stabilize the trigger if required.  
H
Enter the pass/fail result on the test record.  
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Performance Tests  
H
H
Leave the Main trigger system triggered on the positive slope of the  
waveform before proceeding to the next check.  
Press the main-menu button Source; then press the side-menu button  
–more– until CH 1 appears. Press CH 1.  
4. Confirm that the Main and Delayed trigger systems are within sensitivity  
limits (full bandwidth):  
a. Hook up the test-signal source: Disconnect the hookup installed in  
step 1. Connect the signal output of a high-frequency sine wave  
generator to CH 1. Some TDS models need a high frequency  
(>500 MHz) generator; see footnotes 1 and 4 in Table 1–1.  
b. Set the Main and Delayed Horizontal Scales:  
H
H
Set the horizontal SCALE to 500 ps for the M (Main) time base.  
Press HORIZONTAL MENU. Now press the main-menu button  
Time base; then press the side-menu button Delayed Triggerable.  
H
H
Press the side-menu button Delayed Only.  
Set the horizontal SCALE to 500 ps for the D (Delayed) time base.  
Press the side-menu button Main Only.  
c. Display the test signal:  
H
Set the generator frequency to full bandwidth as follows:  
TDS 794D:  
2 GHz  
TDS 580D, 680B, 684B, & 784D:  
TDS 520D, 540D, 620B, 644B, 724D, & 754D:  
1 GHz  
500 MHz  
H
H
Set the test signal amplitude for about five divisions on screen. Now  
fine adjust the generator output until the CH 1 Amplitude readout  
indicates the amplitude is 500 mV. (Readout may fluctuate around  
500 mV).  
Disconnect the leveling head at CH 1 and reconnect it to CH 1  
through a 5X attenuator.  
d. Repeat step 4, substeps b and c only, since only the full bandwidth is to  
be checked here.  
NOTE. You just checked the trigger sensitivity. If desired, you may repeat steps 1  
through 4 for the other channels (CH2, CH3, and CH4).  
5. Disconnect the hookup: Disconnect the cable from the channel last tested.  
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Performance Tests  
Output Signal Checks  
The procedure that follows checks those characteristics of the output signals that  
are listed as checked under Warranted Characteristics in Specifications. The  
oscilloscope outputs these signals at its front and rear panels.  
Check Outputs — CH 3  
(AUX 1 on some models)  
Main and Delayed Trigger  
Equipment  
required  
Two precision 50 W coaxial cables (Item 5)  
One calibration generator (Item 10)  
Prerequisites  
See page 1–15. Also, the oscilloscope must have passed Check DC  
Voltage Measurement Accuracy on page 1–32.  
See Input Channels vs. Model on page 1–2.  
1. Install the test hookup and preset the instrument controls:  
Calibration  
Generator  
To MAIN  
TRIGGER  
OUT  
Oscilloscope  
50 W coaxial cables  
Figure 1–20: Initial test hookup  
a. Hook up test-signal source 1:  
H
Connect the standard amplitude output of a calibration generator  
through a 50 W precision coaxial cable to CH 3 (AUX1 on some  
TDS models).  
H
Set the output of the calibration generator to 0.500 V.  
b. Hook up test-signal source 2: Connect the Main Trigger Out at the rear  
panel to CH 2 through a 50 W precision cable.  
c. Initialize the oscilloscope:  
H
H
H
Press save/recall SETUP.  
Press the main-menu button Recall Factory Setup.  
Press the side-menu button OK Confirm Factory Init.  
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Performance Tests  
d. Modify the initialized front-panel control settings:  
H
H
H
Press WAVEFORM OFF to turn off CH 1.  
Press CH 3 (AUX 1 on some TDS models) to display that channel.  
If necessary, adjust the calibration generator output for 5 divisions of  
amplitude. (With the 50W input of the TDS 794D, you may need to  
double the output of the generator to get 5 divisions of amplitude.)  
H
H
H
Set the horizontal SCALE to 200 ms.  
Press SHIFT; then press ACQUIRE MENU.  
Press the main-menu button Mode; then press the side-menu button  
Average.  
H
Select 64 averages. Do this with the keypad or the general purpose  
knob.  
2. Confirm Main and Delayed Trigger outputs are within limits for logic levels:  
a. Display the test signal:  
H
H
H
H
Press WAVEFORM OFF to turn off CH 3.  
Press CH 2 to display that channel.  
Set the vertical SCALE to 1 V.  
Use the vertical POSITION knob to center the display on screen.  
b. Measure logic levels:  
H
H
Press MEASURE; then press the main-menu button Select  
Measurement for Ch2.  
Select high and low measurements. To do this, repeatedly press the  
side-menu button –more– until High and Low appear in the side  
menu (their icons are shown at the left). Press both side-menu  
buttons High and Low.  
c. Check Main Trigger output against limits:(Skip the first three subparts  
of this substep for the TDS 794D only.)  
H
CHECK that the Ch2 High readout is 2.5 volts and that the Ch2  
Low readout is 0.7 volts. See Figure 1–21.  
H
H
Enter high and low voltages on test record.  
Press VERTICAL MENU; then press the main-menu button  
Coupling. Now press the side-menu button W to toggle it to the  
50 W setting.  
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Performance Tests  
H
H
CHECK that the Ch2 High readout is 1.0 volt and that the Ch2  
Low readout 0.25 volts.  
Enter high and low voltages on the test record.  
Check output  
Figure 1–21: Measurement of main trigger out limits  
d. Check Delayed Trigger output against limits: See Figure 1–21.  
H
H
Move the precision 50 W cable from the rear-panel Main Trigger  
Output BNC to the rear-panel Delayed Trigger Output BNC.  
CHECK that the Ch2 High readout is 1.0 volt and that the Ch2  
Low readout 0.25 volts.  
H
H
Enter high and low voltages on test record.  
Press the side-menu button W to select the 1 MW setting. (This step  
is not required on the TDS 794D – proceed to step 3.)  
H
H
Press CLEAR MENU.  
CHECK that the Ch2 High readout is 2.5 volts and that the Ch2  
Low readout is 0.7 volts.  
H
Enter high and low voltages on test record.  
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Performance Tests  
3. Confirm CH 3 (AUX 1 on some TDS models) output is within limits for gain:  
a. Measure gain:  
H
Move the precision 50 W cable from the rear-panel DELAYED  
TRIGGER OUTPUT BNC to the rear-panel CH 3/AUX 1 BNC  
(SIGNAL OUT on some models).  
H
H
H
Push TRIGGER MENU.  
Press the main-menu button Source.  
Press the side-menu button Ch3.  
(Ax1 on some TDS models)  
H
H
H
Set vertical SCALE to 100 mV.  
Press SET LEVEL TO 50%.  
Press MEASURE; then press the main-menu button Select  
Measrmnt for Ch2.  
H
Repeatedly press the side-menu button –more– until Pk-Pk appears  
in the side menu (its icon is shown at the left). Press the side-menu  
button Pk-Pk.  
H
Press CLEAR MENU.  
b. Check against limits: (Skip the first four subparts of this substep for the  
TDS 794D only.)  
H
CHECK that the readout Ch2 Pk-Pk is between 80 mV and 120 mV,  
inclusive, for the TDS 600B or is between 88 mV and 132 mV,  
inclusive, for the TDS 500D/700D.  
H
H
Enter voltage on test record.  
Press VERTICAL MENU; then press the side-menu button W to  
toggle to the 50 W setting.  
H
H
Press CLEAR MENU.  
CHECK that the readout Ch2 Pk-Pk is between 40 mV and 60 mV,  
inclusive, for the TDS 600B or is between 44 mV and 66 mV,  
inclusive, for the TDS 500D/700D.  
H
Enter voltage on test record.  
4. Disconnect the hookup: Disconnect the cables from the channel inputs and  
the rear panel outputs.  
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Performance Tests  
Check Probe  
Compensator Output  
Equipment  
required  
One female BNC to clip adapter (Item 3)  
Two dual-banana connectors (Item 6)  
One BNC T connector (Item 7)  
Two precision 50 W coaxial cables (Item 5)  
One DC calibration generator (Item 9)  
Prerequisites  
See page 1–15. Also, the oscilloscope must have passed Check  
Accuracy For Long-Term Sample Rate, Delay Time, and Delta Time  
Measurements on page 1–46.  
1. Install the test hookup and preset the instrument controls:  
a. Hook up test-signal:  
H
H
Connect one of the 50 W cables to CH 1. See Figure 1–22.  
Connect the other end of the cable just installed to the female  
BNC-to-clips adapter. See Figure 1–22.  
H
Connect the red clip on the adapter just installed to the PROBE  
COMPENSATION SIGNAL on the front panel; connect the black  
clip to PROBE COMPENSATION GND. See Figure 1–22.  
Oscilloscope  
Black lead  
to GND  
Female BNC to  
clip adapter  
50 W coaxial cable  
Figure 1–22: Initial test hookup  
b. Initialize the oscilloscope:  
H
H
Press save/recall SETUP.  
Press the main-menu button Recall Factory Setup.  
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Performance Tests  
H
Press the side-menu button OK Confirm Factory Init.  
c. Modify the initialized front-panel control settings:  
H
H
H
H
H
Set the horizontal SCALE to 200 ms.  
Press SET LEVEL TO 50%.  
Use the vertical POSITION knob to center the display on screen.  
Press SHIFT; then press ACQUIRE MENU.  
Press the main-menu button Mode; then press the side-menu button  
Average.  
H
Select 128 averages with the keypad or the general purpose knob.  
2. Confirm that the Probe Compensator signal is within limits for frequency:  
a. Measure the frequency of the probe compensation signal:  
H
H
Press MEASURE; then press the main-menu button Select  
Measrmnt for Ch1.  
Repeatedly press the side-menu button –more– until Frequency  
appears in the side menu (its icon is shown at the left). Press the  
side-menu button Frequency.  
b. Check against limits:  
H
CHECK that the CH 1 Freq readout is within 950 Hz to 1.050 kHz,  
inclusive. See Figure 1–23.  
H
H
Enter frequency on test record.  
Press MEASURE; then press the main-menu button Remove  
Measrmnt. Press the side-menu Measurement 1.  
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Performance Tests  
Figure 1–23: Measurement of probe compensator frequency  
c. Save the probe compensation signal in reference memory:  
H
H
H
H
H
Press SAVE/RECALL WAVEFORM; then press the main-menu  
button Save Wfm Ch 1.  
Press the side-menu button To Ref 1 to save the probe compensation  
signal in reference 1.  
Disconnect the cable from CH 1 and the clips from the probe  
compensation terminals.  
Press MORE; then press the main-menu button Ref 1 to displayed  
the stored signal.  
Press CH 1.  
d. Hook up the DC standard source:  
H
H
Set the output of a DC calibration generator to 0 volts.  
Connect the output of a DC calibration generator through a  
dual-banana connector followed by a 50 W precision coaxial cable to  
one side of a BNC T connector. See Figure 1–24.  
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Performance Tests  
H
Connect the Sense output of the generator through a second  
dual-banana connector followed by a 50 W precision coaxial cable to  
the other side of the BNC T connector. Now connect the BNC T  
connector to CH 1. See Figure 1–24.  
Oscilloscope  
DC Calibrator  
Dual banana to  
BNC adapters  
BNC T  
connector  
50 W coaxial cables  
Figure 1–24: Subsequent test hookup  
e. Measure amplitude of the probe compensation signal:  
H
Press SHIFT; then press ACQUIRE MENU. Press the side-menu  
button AVERAGE then enter 16 using the keypad or the general  
purpose knob.  
H
Adjust the output of the DC calibration generator until it precisely  
overlaps the top (upper) level of the stored probe compensation  
signal. (This value will be near 500 mV).  
H
H
Record the setting of the DC generator.  
Adjust the output of the DC calibration generator until it precisely  
overlaps the base (lower) level of the stored probe compensation  
signal. (This value will be near zero volts).  
H
Record the setting of the DC generator.  
f. Press CLEAR MENU to remove the menus from the display. See  
Figure 1–25.  
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Performance Tests  
Figure 1–25: Measurement of probe compensator amplitude  
g. Check against limits:  
H
H
H
Subtract the value just obtained (base level) from that obtained  
previously (top level).  
CHECK that the difference obtained is within 495 mV to 505 mV,  
inclusive.  
Enter voltage difference on test record.  
3. Disconnect the hookup: Disconnect the cable from CH 1.  
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Performance Tests  
Option 05 Video Trigger Checks  
(Not Available on TDS 794D)  
Check Video Trigger  
Equipment  
required  
PAL signal source (Item 19)  
60 Hz. sine wave generator (Item 20)  
Pulse generator (Item 21)  
Two 75 W cables (Item 22)  
Two 75 W terminators (Item 23)  
One BNC T connector (Item 7)  
One precision 50 W coaxial cable (Item 5)  
50 W terminator (Item 4)  
Prerequisites  
See page 1–15. These prerequisites include running the signal path  
compensation routine.  
1. Set up the oscilloscope to factory defaults by completing the following steps:  
a. Press save/recall SETUP.  
b. Press the main-menu Recall Factory Setup.  
c. Press the side-menu OK Confirm Factory Init.  
d. Wait for the Clock Icon to leave the screen.  
e. CONFIRM the oscilloscope is setup as shown below.  
Channel: CH1  
Volt/div: 100 mV  
Horizontal scale: 500 ms/div  
2. Set up the oscilloscope for TV triggers by completing the following steps:  
a. Press TRIGGER MENU.  
b. Press the main-menu Type pop-up until you select Video.  
c. Press the main-menu Standard pop-up until you select 625/PAL.  
d. Press the main-menu Line.  
e. Use the keypad to set the line number to 7 (press 7, then ENTER).  
f. Press VERTICAL MENU.  
g. Press the main-menu Bandwidth.  
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Performance Tests  
h. Select 250 MHz from the side menu.  
i. Press the main-menu Fine Scale.  
j. Use the keypad to set the fine scale to 282 mV (press 282, SHIFT, m,  
then ENTER).  
k. Press HORIZONTAL MENU.  
l. Press the main-menu Horiz Scale.  
m. Use the keypad to set the horizontal scale to 200 ns (press 200, SHIFT,  
n, then ENTER).  
3. Check Jitter vs. Signal Amplitude  
a. Set up equipment for Jitter Test. See Figure 1–26.  
H
Connect one of the rear panel composite outputs marked COMPST  
on the TSG121 through a 75 W cable and a 75 W terminator to the  
CH1 input of the oscilloscope.  
H
Press the 100% FIELD control (the fourth TSG121 front-panel  
button from the left) of the PAL signal source.  
PAL Signal  
Source  
Oscilloscope  
COMPST  
75 W terminator  
75 W cable  
Figure 1–26: Jitter test hookup  
b. CHECK that the oscilloscope lights up its front panel TRIG’D LED and  
it displays the waveform on screen. See Figure 1–27.  
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Performance Tests  
Figure 1–27: Jitter test displayed waveform – TDS 684B shown  
c. Press SHIFT; then press ACQUIRE MENU.  
d. Press the main-menu Mode.  
e. Select the side-menu Average. It should be already set to 16.  
f. Press the main-menu Create Limit Test Template.  
g. Press the side-menu V Limit.  
h. Use the keypad to set V Limit to 180 mdiv (press 180, SHIFT, m, then  
ENTER).  
i. Press the side-menu OK Store Template.  
j. Press MORE.  
k. Press the main-menu Ref1.  
l. Press CH1.  
m. Press SHIFT; then press ACQUIRE MENU.  
n. Press the main-menu Limit Test Setup.  
o. Toggle the side-menu Limit Test to ON.  
p. Toggle the side-menu Ring Bell if Condition Met to ON.  
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q. Press the main-menu Mode.  
r. Press the side-menu Envelope.  
s. Use the keypad to set envelope to use 100 acquisitions (press 100, then  
ENTER).  
t. Press the main-menu Stop After button.  
u. Press the side-menu Single Acquisition Sequence.  
v. Confirm that the oscilloscope successfully makes 100 acquisitions. If not  
successful, the oscilloscope bell will ring. When the word Run in the top  
left corner of the display changes to STOP, the test is complete. See  
Figure 1–28.  
Stop shows test complete  
Figure 1–28: Jitter test when completed – TDS 684B shown  
w. Press the main-menu Limit Test Setup.  
x. Toggle the side-menu Ring Bell if Condition Met to OFF.  
y. Toggle the side-menu Limit Test to OFF.  
4. Check Triggered Signal Range.  
Set up oscilloscope for Triggered Signal Test.  
a. Press MORE.  
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Performance Tests  
b. Press WAVEFORM OFF.  
c. Press HORIZONTAL MENU.  
d. Use the keypad to set horizontal scale (/div) to 50 ms (press 50, SHIFT,  
m, then ENTER).  
e. Press SHIFT; then press ACQUIRE MENU.  
f. Press the main-menu Stop After.  
g. Press the side-menu RUN/STOP button only.  
h. Press the main-menu Mode.  
i. Press the side-menu Sample.  
j. Press RUN/STOP.  
k. Press VERTICAL MENU.  
l. Use the keypad to set fine scale to 300 mV (press 300, SHIFT, m, then  
ENTER).  
m. CONFIRM that the TRIG’D LED stays lighted and that the waveform  
on screen is stable. Also, CONFIRM that the waveform on the screen  
has one positive pulse and a number of negative pulses. See Figure 1–29.  
Positive pulse  
Negative pulses  
Figure 1–29: Triggered signal range test – 300 mV  
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Performance Tests  
n. Use the keypad to set the fine scale to 75 mV (press 75, SHIFT, m, then  
ENTER).  
o. CONFIRM that the TRIG’D LED stays lighted and that the waveform  
on screen is stable. That is, it does not move horizontally or vertically.  
Also, CONFIRM that the waveform on the screen has one positive pulse  
and a number of negative pulses. See Figure 1–30.  
Positive pulse  
Negative pulses  
Figure 1–30: Triggered signal range test – 75 mV  
p. Disconnect all test equipment (TSG121) from the oscilloscope.  
5. Check 60 Hz Rejection.  
a. Set up oscilloscope for 60 Hz Rejection Test:  
H
Use the keypad to set the Ch1 Fine Scale to 282 mV (press 282,  
SHIFT m, then ENTER).  
H
H
H
H
H
Press WAVEFORM OFF.  
Press CH2.  
Press VERTICAL MENU.  
Use the keypad set the fine scale to 2 V (press 2, then ENTER).  
Press HORIZONTAL MENU.  
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Performance Tests  
H
Use the keypad to set the horizontal scale (/div) to 5 ms (press 5,  
SHIFT, m, then ENTER).  
b. Set up 60 Hz signal generator:  
H
Connect the output of the signal generator to the CH2 input through  
a 50 W cable. See Figure 1–31.  
Oscilloscope  
Signal Generator  
Output  
50 W cable  
Figure 1–31: 60 Hz Rejection test hookup  
H
Adjust the signal generator for three vertical divisions of 60 Hz  
signal. See Figure 1–32. The signal will not be triggered. That is, it  
will run free.  
Figure 1–32: 60 Hz Rejection test setup signal  
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Performance Tests  
c. Check 60 Hz rejection:  
H
H
Use the keypad to set the horizontal scale (/div) to 50 ms (press 50,  
SHIFT, m, then ENTER).  
Reconnect the output of the signal generator. Connect the composite  
signal connector of the PAL signal source (labeled COMPST on the  
TSG 121) to a 75 W cable and a 75 W terminator. Connect both  
signals to the CH1 input through a BNC T. See Figure 1–33.  
H
H
H
Press VERTICAL MENU.  
If needed, press the main-menu Fine Scale.  
Use the keypad to set fine scale to 500 mV (press 500, SHIFT, m,  
then ENTER).  
H
Connect another composite signal connector of the PAL signal  
source (labeled COMPST on the TSG 121) through a 75 W cable  
and a 75 W terminator to the CH2 input. See Figure 1–33.  
PAL signal  
source  
75 W terminators  
Oscilloscope  
Signal Generator  
COMPST  
75 W Cable  
Output  
COMPST  
BNC T connector  
50 W cable  
75 W cable  
Figure 1–33: Subsequent 60 Hz Rejection test hookup  
H
CONFIRM that the TRIG’D LED stays lighted and that the  
waveform on screen is stable. In other words, be sure the waveform  
does not move horizontally or vertically. Also, confirm that the  
waveform on the screen has one positive pulse and a number of  
negative pulses. See Figure 1–34.  
H
Disconnect all test equipment from the oscilloscope.  
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Performance Tests  
Figure 1–34: 60 Hz Rejection test result – TDS 684B shown  
6. Check Line Count Accuracy.  
a. Set up oscilloscope for Line Count Accuracy Test:  
H
H
H
H
H
H
H
H
Press WAVEFORM OFF.  
Press CH1.  
Press HORIZONTAL MENU.  
Press the main-menu Record Length.  
Press the side-menu –more– until you see the appropriate menu.  
Press the side-menu 5000 points in 100divs.  
Press the main-menu Horiz Scale (/div).  
Use the keypad to set the horizontal scale to 200 ns (press 200,  
SHIFT, n, then ENTER).  
b. Check Line Count Accuracy:  
H
Connect a composite output signal from the rear of the PAL signal  
source (labeled COMPST on the TSG 121) to the CH1 input  
through a 75 W cable and a 75 W terminator. See Figure 1–35.  
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Performance Tests  
PAL signal  
source  
Oscilloscope  
Output  
75 W cable  
75 W terminator  
Figure 1–35: Line count accuracy test hookup  
H
H
H
H
H
Press the main-menu Trigger Position.  
Press the side-menu to Set to 50%.  
Press the main-menu to Horiz Pos.  
Press the side-menu to Set to 50%.  
Use the HORIZONTAL POSITION knob to move the falling edge  
of the sync pulse to two divisions to the left of center screen. See  
Figure 1–36.  
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Performance Tests  
Figure 1–36: Line count accuracy test setup waveform – TDS 684B shown  
H
H
H
H
Press CURSOR.  
Press the main-menu Function.  
Press the side-menu V Bars.  
Using the General Purpose knob, place the left cursor directly over  
the trigger ‘T’ icon.  
H
H
Press SELECT.  
Turn the General Purpose knob to adjust the right cursor for a cursor  
delta reading of 6.780us.  
H
H
Use the HORIZONTAL POSITION knob to position the right  
cursor to center screen.  
Verify that the cursor is positioned on a positive slope of the burst  
signal. See Figure 1–37.  
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Performance Tests  
Figure 1–37: Line count accuracy correct result waveform  
H
H
Disconnect all test equipment (TSG 121) from the oscilloscope.  
Turn off cursors by pressing CURSOR, then the main-menu  
Function button, and, finally, Off from the side menu.  
7. Check the Sync Duty Cycle.  
a. Set up oscilloscope for Sync Duty Cycle Test:  
H
H
Press TRIGGER MENU.  
Press the Standard pop-up to select FlexFmt. Trigger Type should  
already be set to Video.  
H
H
H
Press the main-menu Setup.  
Press the side-menu Field Rate.  
Use the keypad to set the field rate to 60.05 Hz (press 60.05, then  
ENTER).  
H
H
Press the side-menu Lines.  
Use the keypad to set the field rate to 793 lines (press 793, then  
ENTER).  
H
Press the side-menu Fields.  
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Performance Tests  
H
Use the keypad to set the number of fields to 1 (press 1, then  
ENTER).  
H
H
Press the side-menu Sync Width.  
Use the keypad to set the width to 400 ns (press 400, SHIFT, n,  
then ENTER).  
H
H
Press the side-menu –more– 1 of 2. Then press V1 Start Time.  
Use the keypad to set V1 start time to 10.10 ms (press 10.10, SHIFT,  
m, then ENTER).  
H
H
Press the side-menu V1 Stop Time.  
Use the keypad to set V1 stop time to 10.50 ms (press 10.50, SHIFT,  
m, then ENTER).  
H
H
H
H
Press the main-menu Type pop-up to select Edge.  
Press HORIZONTAL MENU.  
Press the main-menu Record Length.  
Select the side-menu 1000 points in 20div. If needed, first press the  
side-menu –more– until you see the appropriate side-menu item.  
H
Turn the HORIZONTAL POSITION knob to position the trigger  
‘T’ two divisions to the left of the center screen.  
H
H
H
H
Press MEASURE.  
If needed, press the main-menu Select Measrmnt.  
Press the side-menu Negative Width.  
Press the side-menu Period.  
b. Set up the pulse generator for Sync Duty Cycle Test:  
H
H
H
Set PULSE DURATION to 50 ns.  
Set PERIOD to 10 ms.  
Set OUTPUT (VOLTS) to –1 for LOW LEVEL and +1 for HIGH  
LEVEL.  
H
H
Depress the COMPLEMENT button.  
Be sure BACK TERM is depressed (in).  
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Performance Tests  
c. Check Sync Duty Cycle:  
H
Connect the pulse generator through a 50 W cable and a 50 W  
terminator to the oscilloscope CH1 input. See Figure 1–38.  
Pulse  
Generator  
Oscilloscope  
Output  
50 W cable  
50 W terminator  
Figure 1–38: Setup for sync duty cycle test  
H
Turn the pulse generator OUTPUT (VOLTS) control until the signal  
on the oscilloscope shows a one division negative-going pulse. See  
Figure 1–39.  
NOTE. You may need to adjust the trigger level control to obtain a stable trigger.  
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Performance Tests  
Figure 1–39: Sync duty cycle test: one-div neg pulse waveform  
H
Turn the pulse generator PULSE DURATION variable control to  
adjust the negative pulse so the oscilloscope’s CH1 – Width  
measurement displays 400ns +/–10 ns.  
H
H
Turn the HORIZONTAL SCALE knob to set the oscilloscope time  
base to 5ms/div.  
Turn the pulse generator PERIOD variable control to adjust the  
period until the oscilloscope CH1 Period measurement reads  
21.000ms –25/+50 ns. See Figure 1–40. Read note shown below.  
NOTE. The pulse duration and period adjustments are critical in making this  
measurement. If the pulse duration and/or the duty cycle are not stable, the  
FLEXFMT function may not function. You must take care when making these  
adjustments.  
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Performance Tests  
Figure 1–40: Sync duty cycle test: critically adjusted pulse  
H
H
Press TRIGGER MENU.  
Press the main-menu Type pop-up until you select Video.  
If the TRIG’D LED is not lighted, check that the CH1 – Width and  
CH1 Period measurements are adjusted correctly. See note above.  
CONFIRM that the setup is correct and the oscilloscope will trigger.  
H
H
H
CONFIRM that the TRIG’D LED is lighted and the waveform is  
stable.  
Disconnect the signal source from CH1, wait a few seconds, then  
reconnect the signal.  
CONFIRM that the TRIG’D LED is lighted and the waveform is  
stable.  
H
H
H
H
Press Sync Polarity.  
Press Pos Sync.  
Push the pulse generator COMPLEMENT button out.  
CONFIRM that the TRIG’D LED is lighted and the waveform is  
stable.  
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Performance Tests  
H
H
Disconnect the signal source from CH1, wait a few seconds, then  
reconnect the signal.  
CONFIRM that the TRIG’D LED is lighted and the waveform is  
stable.  
H
H
Disconnect all test equipment from the oscilloscope.  
Press save/recall SETUP, the main-menu button Recall Factory  
Setup, and the side-menu OK Confirm Factory Init.  
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Performance Tests  
Sine Wave Generator Leveling Procedure  
Some procedures in this manual require a sine wave generator to produce the  
necessary test signals. If you do not have a leveled sine wave generator, use one  
of the following procedures to level the output amplitude of your sine  
wave generator.  
Equipment  
required  
Sine wave generator (Item 14)  
Level meter and power sensor (Item 15)  
Power splitter (Item 16)  
Two male N to female BNC adapters (Item 17)  
One precision coaxial cable (Item 5)  
See page 1–15  
Prerequisites  
Sine Wave  
Generator  
Oscilloscope  
Level Meter  
Input  
Power splitter  
Output  
Attenuators  
(if necessary)  
Power sensor  
Figure 1–41: Sine wave generator leveling equipment setup  
1. Install the test hookup: Connect the equipment as shown in Figure 1–41.  
2. Set the Generator:  
H
Set the sine wave generator to a reference frequency of 10 MHz.  
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H
Adjust the sine wave generator amplitude to the required number of  
divisions as measured by the oscilloscope.  
3. Record the reference level: Note the reading on the level meter.  
4. Set the generator to the new frequency and reference level:  
H
H
Change the sine wave generator to the desired new frequency.  
Input the correction factor and/or the new frequency into the level  
meter.  
H
Adjust the sine wave generator amplitude until the level meter again  
reads the value noted in step 3. The signal amplitude is now  
correctly set for the new frequency.  
Equipment  
required  
Sine wave generator (Item 14)  
Level meter and power sensor (Item 15)  
Two male N to female BNC adapters (Item 17)  
Two precision coaxial cables (Item 5)  
Prerequisites  
See page 1–15  
1. Install the test hookup: Connect the equipment as shown in Figure 1–42  
(start with the sine wave generator connected to the oscilloscope).  
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Performance Tests  
Oscilloscope  
Sine Wave  
Generator  
Output  
Level Meter  
Connect the sine wave  
generator to the  
oscilloscope and the  
power sensor as  
directed in the text.  
Power sensor  
Input  
Figure 1–42: Equipment setup for maximum amplitude  
2. Set the Generator:  
H
H
Set the sine wave generator to a reference frequency of 10 MHz.  
Adjust the sine wave generator amplitude to the required number of  
divisions as measured by the oscilloscope.  
3. Record the reference level:  
H
H
H
Disconnect the sine wave generator from the oscilloscope.  
Connect the sine wave generator to the power sensor.  
Note the level meter reading.  
4. Set the generator to the new frequency and reference level:  
H
H
H
Change the sine wave generator to the desired new frequency.  
Input the correction factor and/or the new frequency into the level meter.  
Adjust the sine wave generator amplitude until the level meter again  
reads the value noted in step 3. The signal amplitude is now correctly set  
for the new frequency.  
H
H
Disconnect the sine wave generator from the power sensor.  
Connect the sine wave generator to the oscilloscope.  
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Performance Tests  
Optical Filters Checks (TDS 500D/TDS 700D Only)  
The procedure that follows verifies that the frequency response of the combined  
P670xB and TDS500D/700D oscilloscope system is a Fourth Order Bessel  
Thompson Filter which is within limits.  
Filter Availability  
Nominal Filters are available with Option 2C. Reference Receiver Filters are  
available with Options 3C and 4C. Options 3C and 4C are not available without  
2C, and 3C and 4C are not available on the TDS 794D.  
You can verify Option 2C is enabled on the TDS 794D by pressing MEASURE,  
then selecting Masks from the Measure pop-up menu. Table 1–8 lists the  
available vertical scale factors for each option. Tables 1–9, 1–10, and 1–11 list  
the available filters and their specifications.  
Table 1–8: Available Filters  
Nominal Filters  
(Option 2C)  
Reference Receivers Filters  
(Options 3C, 4C)  
1 mW per division  
2 mW per division  
5 mW per division  
10 mW per division  
20 mW per division  
50 mW per division  
100 mW per division  
200 mW per division  
500 mW per division  
1 mW per division  
10 mW per division  
20 mW per division  
50 mW per division  
Table 1–9: Reference Receiver Filter Options:  
Option 4C – SONET (P6703B 1300nm)  
Option 3C – Fibre Channel (P6701B 850nm)  
52Mbit OC1  
FC133Mbit  
FC266Mbit  
FC531Mbit  
155Mbit OC3  
155Mbit OC3  
622Mbit OC12  
FC1063 (TDS 784D Only)  
622Mbit OC12  
FC1063 (TDS 784D Only)  
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Performance Tests  
Table 1–10: Option 3C and 4C Specifications (not available on TDS 794D)  
Name  
Description  
Calibration Range, Reference Receiver  
10 mW per division  
20 mW per division  
50 mW per division  
23_ C, "5_ C  
Temperature Range, Warranted Filter  
Calibration Range, Controlled  
Up to 2X the data rate for all filters except  
FC1063 filter  
Up to 1.5X the data rate for FC1063 filter  
Table 1–11: Available receivers  
1
2
Option 4C  
Option 3C  
4
3
3
OC1  
n
OC3  
n
OC12  
FC1063  
FC133  
n
FC266  
FC531  
FC1063  
OC3  
n
OC12  
TDS 520D  
TDS 540D  
TDS 580D  
TDS 724D  
TDS 754D  
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
TDS 784D  
1
n
n
n
n
n
n
Requires Tektronix P6703B, 1300 nm Optical to Electrical Converter.  
Requires Tektronix P6701B, 850 nm Optical to Electrical Converter.  
2
3
4
Reference receivers are warranted to 2.0 times the bit rate except for FC1063 which is warranted to 1.5 times the bit rate.  
OC1 is type tested  
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Performance Tests  
Reference Receiver  
Verification  
Equipment  
required  
OIG501 (use with P6701B) (Item 24)  
OIG502 (use with P6703B) (Item 25)  
Optical Attenuator OA5022 (Item 26)  
Fiber Optic Cable (Item 27)  
Optical-to-Electrical Converter (item 28)  
Prerequisites  
See page 1–15. Also, the probe and the oscilloscope channel it is  
attached to must have been calibrated as a reference receiver.  
1. Install the test hookup and preset the instrument controls:  
Optical Impulse Optical  
Oscilloscope  
Generator  
Attenuator  
Output  
Input  
Output  
Fiber optic cable  
Optical to electrical converter  
Figure 1–43: Reference-receiver performance-verification set up  
a. Initialize the oscilloscope:  
H
H
H
Press SAVE/RECALL SETUP.  
Press the main-menu button Recall Factory Setup.  
Press the side-menu button OK Confirm Factory Init.  
b. Connect the probe, oscilloscope, optical impulse generator (OIG), and  
the optical attenuator:  
H
H
Connect the optical probe to CH 1 of the oscilloscope under test (see  
Figure 1–43).  
See Table 1–11. If using a P6701B probe, connect the OIG501  
(Item 24) OPTICAL OUTPUT to the optical attenuator (Item 26)  
OPTICAL INPUT using a fiber-optic cable (Item 27). If using a  
P6703B probe, connect the OIG502 (Item 25) OPTICAL OUTPUT  
to the optical attenuator (Item 26) OPTICAL INPUT using a  
fiber-optic cable (Item 27).  
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Performance Tests  
H
Connect the optical probe on CH 1 of the oscilloscope to the  
OPTICAL OUTPUT of the optical attenuator using the fiber-optic  
cable of the probe. Set an optical impulse level that does not clip the  
vertical channel of the oscilloscope.  
c. Set up the OIG to run with LOW impulse energy.  
H
Keep the impulse below 100 mW peak level because high-energy  
impulses into the P670x probe will cause major changes in the  
frequency response of the probe.  
H
H
Set the OIG for 1 MHz internal trigger.  
Set the OIG for the wavelength shown in Table 1–11 that is required  
for the standard and option you are verifying.  
d. Enable the laser.  
e. Set the VERTICAL SCALE of the oscilloscope to either 10 mW, 20 mW  
or 50 mW/division.  
NOTE. These are the only scale settings for which the reference receivers have  
calibrated filters.  
f. Set the trigger type to edge:  
H
Press TRIGGER MENU; then select Edge from the Type pop-up  
menu.  
H
Press SET LEVEL TO 50%.  
g. Set the HORIZONTAL SCALE to 500 ps.  
h. Set the Optical Attenuator for several divisions of display on the  
oscilloscope.  
i. Set the horizontal controls:  
H
H
If Fit To Screen is not OFF, press HORIZONTAL MENU; then  
press Record Length. Then press Fit to Screen to toggle it to the  
OFF setting. Fit to Screen needs to be OFF so that the FFT  
waveform horizontal scale can be adjusted to obtain the desired  
display of the frequency response.  
To obtain a 10000 point FFT in step 3, press HORIZONTAL  
MENU; then press Record Length. Then repeatedly press the  
side-menu button –more– until 15000 appears in the side menu.  
Press the side-menu button 15000.  
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Performance Tests  
H
Press HORIZONTAL MENU; then press the main-menu button  
Trigger Position. Set the Trigger Position to 20% using the general  
purpose knob or keypad.  
NOTE. Press SHIFT to change the horizontal position speed. The position moves  
faster when SHIFT is lighted.  
H
Adjust the HORIZONTAL POSITION to move the 20% trigger  
point onto the display (see Figure 1–44).  
Figure 1–44: Optical impulse of Ch1 input from OA5022 Optical Attenuator  
(OIG501 / OIG502 fed into optical attenuator in Step 1)  
j. Select linear interpolation:  
H
H
H
If SHIFT is lighted, press SHIFT.  
Press DISPLAY; then press the main-menu button Filter.  
Press the side-menu button Linear Interpolation.  
2. Select the desired Mask standard and turn it on:  
H
Press MEASURE; then select Masks from the Measure pop-up menu.  
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Performance Tests  
NOTE. <xxx> is the standard that you are verifying (such as OC1, OC3, OC12,  
FC1063; see Table 1–12).  
H
H
From the Mask Type pop-up menu, select the mask type (<xxx>) of your  
reference receiver.  
Press the Standard Mask main menu; then select your reference  
receiver mask (<xxx>) from the side menu.  
NOTE. For the Bessel Thompson (BT) filter to be active, the VERTICAL MENU  
deskew must be set to zero on all four channels. Also, the ACQUIRE MENU  
Acquisition Mode must be Sample. If you did the Factory Setup specified in  
Step 1a, you selected these modes.  
H
H
If checking a reference receiver, verify that RR is displayed to the right  
of the vertical scale factor (see Figure 1–45).  
Press TRIGGER MENU; then select Edge from the Type pop-up  
menu.  
3. Turn on an FFT of the optical impulse [the Impulse Response (or Frequency  
Response) of the P670xB and oscilloscope system] (Refer to Figure 1–46):  
a. Press the front panel MORE button; then press the main-menu button  
Math2. This turns on a math waveform.  
b. If the math waveform is not set to FFT, create an FFT waveform:  
H
H
Press Change Math waveform definition; then press the main-  
menu button FFT.  
Press the side-menu button Set FFT source to Ch1.  
NOTE. Verify the FFT window is set to Rectangular. Also verify the FFT Vert  
Scale is set to dBV RMS. If you did the Factory Setup in Step 1a, you selected  
these modes.  
H
H
Press the side-menu button OK Create Math Waveform.  
Press the side menu button Average, then set the number of averages  
to 16 using the general purpose knob or keypad.  
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4. Move the beginning of the FFT data record onto the screen:  
NOTE. Press SHIFT to change the horizontal position speed. The position moves  
faster when SHIFT is lighted.  
H
Adjust the HORIZONTAL POSITION control to move the beginning  
of the FFT data record onto the display.  
NOTE. Expanding the horizontal scale of the FFT waveform gives greater  
resolution when making cursor measurements. Expand the FFT to display DC to  
the highest frequency listed in Table 1–12 for the standard being verified.  
H
Adjust the HORIZONTAL SCALE and VERTICAL SCALE to view  
the frequency response of the BT filter. The large spike around DC is  
due to DC offset in the signal and should be ignored.  
5. Observe the desired response characteristics using the vertical paired  
cursors (see figures 1–45 and 1–46):  
a. Press CURSOR.  
b. Press the main-menu button Function; then press the side-menu button  
Paired.  
c. Press CLEAR MENU.  
NOTE. Pressing SHIFT will change cursor speed. Use the select key to alternate  
between cursors.  
d. Position one cursor at the beginning of the FFT record.  
e. Position the other cursor at the bit rate (the frequency closest to the bit  
rate) of the mask that is turned on (see Table 1–12 and Figure 1–45).  
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Figure 1–45: Optical impulse response for OC–12 SONET Reference Receiver  
NOTE. In Figure 1–45, the left cursor is at the DC frequency. The right cursor is  
at the OC-12 data rate of 622 MHz "4 MHz. Also, note that the reference  
receiver, RR, designation is beside the 20 mW vertical scale factor.  
f. Next, move the cursor currently positioned at the beginning of the record  
until the cursor is just right of the DC spike in the response (see  
Figure 1–46). The unsigned D dB readout should be at or between the  
upper and lower limits shown in Table 1–12 (note that the entries in the  
table are signed numbers, but the D dB readout is not) for the mask that  
is turned on.  
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Figure 1–46: Optical impulse response for OC–12 SONET Reference Receiver  
NOTE. In Figure 1–46 the left cursor has been moved to the zero dB level. The  
right cursor remains at the OC–12 data rate of 622 MHz "4 MHz (the delta  
frequency is 584 MHz because the right cursor is no longer referenced to DC).  
The delta attenuation from the zero dB level to the 622 MHz Cursor is 5.6 dB.  
6. Repeat steps 5d through 5f, starting on page 1–97, moving the second cursor  
to twice the bit rate (1.5 times the bit rate for the FC1063 standard).  
7. For an exhaustive test of the reference receiver, repeat steps 5d through 5f for  
each frequency shown in Table 1–12 for the standard.  
8. If verifying additional standards, repeat this procedure for each standard.  
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Table 1–12: Bessel Thompson frequency response and reference receiver limits  
Standard Frequency (MHz) Lower Limit (dB)  
OC–12 SONET or STM–4 SDH, Data Rate: 622.08 Mb/s  
Nominal (dB)  
Upper Limit (dB)  
Measured (delta dB)  
0.0  
–0.3  
0.0  
0.3  
93.31  
186.6  
279.9  
373.2  
466.7  
5.60.0  
622.08  
653.2  
746.5  
839.8  
933.1  
1244.2  
–0.41  
–0.75  
–1.32  
–2.16  
–3.31  
–5.15  
–6.58  
–7.35  
–9.86  
–12.59  
–15.41  
–24.58  
–0.11  
–0.45  
–1.02  
–1.86  
–3.00  
–4.51  
–5.71  
–6.37  
–8.54  
–10.93  
–13.41  
–21.44  
0.19  
–0.15  
–0.72  
–1.56  
–2.71  
–3.87  
–4.84  
–5.39  
–7.22  
–9.27  
–11.41  
–18.31  
OC–3 SONET or STM–1 SDH, Data Rate: 155.52 Mb/s  
0.0  
–0.3  
–0.0  
0.3  
23.327  
46.65  
69.975  
93.3  
–0.41  
–0.75  
–1.32  
–2.16  
–3.31  
–5.15  
–6.58  
–7.35  
–9.86  
–12.59  
–15.41  
–24.58  
–0.11  
–0.45  
–1.02  
–1.86  
–3.00  
–4.51  
–5.71  
–6.37  
–8.54  
–10.93  
–13.41  
–21.44  
0.19  
–0.15  
–0.72  
–1.56  
–2.71  
–3.87  
–4.84  
–5.39  
–7.22  
–9.27  
–11.41  
–18.31  
116.88  
139.97  
155.52  
163.3  
209.95  
209.95  
233.27  
311.04  
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Table 1–12: Bessel Thompson frequency response and reference receiver limits (cont.)  
Standard  
Frequency (MHz) Lower Limit (dB)  
Nominal (dB)  
Upper Limit (dB)  
Measured (delta dB)  
FC133 Fibre Channel, Data Rate: 132.8125 Mb/s  
0.00  
–0.5  
0.0  
0.5  
19.922  
38.440  
59.765  
79.690  
99.610  
119.53  
132.81  
139.45  
159.37  
179.29  
199.22  
265.62  
–0.6  
–0.1  
–0.4  
–1.0  
–1.9  
–3.0  
–4.5  
–5.7  
–6.4  
–8.5  
–10.9  
–13.4  
–21.5  
0.4  
–0.9  
–0.1  
–0.5  
–1.4  
–2.5  
–3.5  
–4.37  
–4.9  
–6.5  
–8.4  
–10.4  
–16.5  
–1.5  
–2.4  
–3.5  
–5.5  
–7.03  
–7.9  
–10.5  
–13.4  
–16.4  
–26.17  
FC266 Fibre Channel, Data Rate: 265.625 Mb/s  
0.0  
–0.5  
0.0  
0.5  
39.844  
79.688  
119.53  
159.38  
199.22  
239.06  
265.62  
278.91  
318.75  
358.59  
398.44  
531.25  
–0.6  
–0.1  
–0.4  
–1.0  
–1.9  
–3.0  
–4.5  
–5.7  
–6.4  
–8.5  
–10.9  
–13.4  
–21.5  
0.4  
–0.9  
–0.1  
–0.5  
–1.4  
–2.5  
–3.5  
–4.37  
–4.9  
–6.5  
–8.4  
–10.4  
–16.5  
–1.5  
–2.4  
–3.5  
–5.5  
–7.03  
–7.9  
–10.5  
–13.4  
–16.4  
–26.17  
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Table 1–12: Bessel Thompson frequency response and reference receiver limits (cont.)  
Standard  
Frequency (MHz) Lower Limit (dB)  
Nominal (dB)  
Upper Limit (dB)  
Measured (delta dB)  
FC531 Fibre Channel, Data Rate: 531.25 Mb/s  
0.0  
–0.5  
–0.0  
–0.1  
–0.4  
–1.0  
–1.9  
–3.0  
–4.5  
–5.7  
–6.4  
–8.5  
–10.9  
–13.4  
–21.5  
0.5  
79.688  
159.38  
239.06  
318.76  
398.44  
478.12  
531.24  
557.82  
637.50  
717.18  
796.88  
1062.5  
–0.6  
0.4  
–0.9  
–0.1  
–0.5  
–1.4  
–2.5  
–3.5  
–4.37  
–4.9  
–6.5  
–8.4  
–10.4  
–16.3  
–1.5  
–2.4  
–3.5  
–5.5  
–7.03  
–7.9  
–10.5  
–13.4  
–16.4  
–26.17  
FC1063 Fibre Channel (Controlled to 1.5X Data Rate), Data Rate: 1062.5 Mb/s  
0.0  
–0.5  
–0.6  
–0.9  
–1.5  
–2.4  
–3.5  
–5.5  
–7.03  
–7.9  
–10.5  
–13.4  
–16.4  
0.0  
0.5  
159.38  
318.75  
478.12  
637.50  
796.87  
956.25  
1062.5  
1115.63  
1275.0  
1434.37  
1593.75  
–0.1  
–0.4  
–1.0  
–1.9  
–3.0  
–4.5  
–5.7  
–6.4  
–8.5  
–10.9  
–13.4  
0.4  
0.1  
–0.5  
–1.4  
–2.5  
–3.5  
–4.37  
–4.9  
–6.5  
–8.4  
–10.4  
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This section begins with a general description of the traits of the TDS 500D,  
TDS 600B and TDS 700D oscilloscopes. Three sections follow, one for each of  
three classes of traits: nominal traits, warranted characteristics, and typical  
characteristics.  
Product Description  
The TDS 500D, TDS 600B and TDS 700D oscilloscopes are portable, four-chan-  
nel instruments suitable for use in a variety of test and measurement applications  
and systems. Table 2–1 lists key features.  
Table 2–1: Key features of the TDS 500D, 600B and 700D oscilloscopes  
Feature  
TDS 600B  
TDS 500D & TDS 700D  
Digitizing rate,  
maximum  
TDS 684B: 5 GS/s on ea. of 4 ch  
TDS 680B: 5 GS/s on ea. of 2 ch  
TDS 644B: 2.5 GS/s on ea. of 4 ch TDS 540D, 754D: 2 GS/s  
TDS 620B: 2.5 GS/s on ea. of 2 ch TDS 520D, 724D: 1 GS/s  
TDS 580D, TDS 784D,  
TDS 794D: 4 GS/s  
Analog bandwidth  
No. of Channels  
TDS 794D: 2 GHz  
TDS 580D, TDS 680B, 684B, and 784D: 1 GHz  
TDS 520D, 540D, 620B, 644B, 724D and 754D: 500 MHz  
TDS 644B & 684B: 4  
TDS 620B & 680B: 2 + 2  
TDS 540D, 580D,  
TDS 754D, 784D & 794D: 4  
TDS 520D & 724D: 2 + 2  
1
1
Record lengths,  
maximum  
15,000 samples  
50,000 samples  
(500,000 with option 1M)  
(8,000,000 with option 2M)  
Acquisition modes  
Trigger modes  
Sample, envelope, peak detect  
and average  
Sample, envelope, average,  
high-resolution, and  
peak-detect  
Modes include:  
Edge, logic, and pulse.  
Video trigger, with option 05, modes include:  
NTSC, SECAM, PAL, HDTV, and FlexFormat.  
(Not available on TDS 794D)  
Communications Trigger with option 2C (available on  
TDS 500D/700D), modes include: AMI, CMI, and NRZ  
Display  
TDS 520D, 540D, 580D, 620B, 680B: Monochrome  
TDS 644B, 684B, 724D, 754D, 784D, 794D: Color  
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Table 2–1: Key features of the TDS 500D, 600B and 700D oscilloscopes (cont.)  
Feature  
TDS 600B  
TDS 500D & TDS 700D  
Storage  
Floppy disk drive:  
1.44 Mbyte, 3.5 inch, DOS 3.3-or-later floppy disk drive  
Internal hard disk drive  
(optional on the TDS 500D and 700D)  
Iomega Zip drive compatible  
NVRAM storage for saving waveforms, hardcopies, and setups  
I/O  
Full GPIB programmability.  
Hardcopy output using GPIB, RS-232, or Centronics ports  
1
Two plus Two channel operation allows up to two of the four channels to be  
displayed simultaneously. Channels not displayed can be used to couple a  
triggering signal to the oscilloscope.  
User Interface  
Use a combination of front-panel buttons, knobs, and on-screen menus to control  
the many functions of the oscilloscope. The front-panel controls are grouped  
according to function: vertical, horizontal, trigger, and special. Set a function you  
adjust often, such as vertical positioning or the time base setting, directly by its  
own front-panel knob. Set a function you change less often, such as vertical  
coupling or horizontal mode, indirectly using a selected menu.  
Menus  
Pressing one (sometimes two) front-panel button(s), such as vertical menu,  
displays a main menu of related functions, such as coupling and bandwidth, at  
the bottom of the screen. Pressing a main-menu button, such as coupling,  
displays a side menu of settings for that function, such as AC, DC, or GND  
(ground) coupling, at the right side of the screen. Pressing a side-menu button  
selects a setting such as DC.  
Indicators  
On-screen readouts help you keep track of the settings for various functions,  
such as vertical and horizontal scale and trigger level. Some readouts use the  
cursors or the automatic parameter extraction feature (called measure) to display  
the results of measurements made or the status of the instrument.  
General Purpose Knob  
Assign the general purpose knob to adjust a selected parameter function. More  
quickly change parameters by toggling the SHIFT button. Use the same method  
as for selecting a function, except the final side-menu selection assigns the  
general purpose knob to adjust some function, such as the position of measure-  
ment cursors on screen, or the setting for a channel fine gain.  
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GUI  
The user interface also makes use of a GUI, or Graphical User Interface, to make  
setting functions and interpreting the display more intuitive. Some menus and  
status are displayed using iconic representations of function settings, such as  
those shown here for full, 250 MHz and 20 MHz bandwidth. Such icons allow  
you to more readily determine status or the available settings.  
Signal Acquisition System  
The signal acquisition system provides up to four, full-featured vertical channels  
with calibrated vertical scale factors from 1 mV to 10 V per division, depending  
on TDS model. All channels can be acquired simultaneously.  
Each of the full-featured channels can be displayed, vertically positioned, and  
offset, and their vertical coupling specified. Some models can have their  
bandwidth limited (250 MHz or 20 MHz). Fine gain can also be adjusted.  
Besides these channels, up to three math waveforms and four reference wave-  
forms are available for display. (A math waveform results when you specify dual  
waveform operations, such as add, on any two channels. A reference waveform  
results when you save a waveform in a reference memory).  
Horizontal System  
There are three horizontal display modes: main only, main intensified, and  
delayed only. You can select among various horizontal record length settings.  
A feature called “Fit to Screen” allows you to view entire waveform records  
within the 10 division screen area. Waveforms are compressed to fit on the  
screen. See Table 2–2.  
Both the delayed only display and the intensified zone on the main intensified  
display may be delayed by time with respect to the main trigger. Both can be set  
to display immediately after the delay (delayed runs after main mode). The  
delayed display can also be set to display at the first valid trigger after the delay  
(delayed-triggerable modes).  
The delayed display (or the intensified zone) may also be delayed by a selected  
number of events. In this case, the events source is the delayed-trigger source.  
The delayed trigger can also be set to occur after a number of events plus an  
amount of time.  
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Table 2–2: Record length and divisions per record vs. TDS model  
Divisions per record  
1
2
1
3
Standard Models  
Record length  
500  
FTS Off  
10 divs  
FTS On  
All TDS 500D, TDS600B & TDS 700D  
10 divs  
10 divs  
10 divs  
10 divs  
10 divs  
10 divs  
4
All channels  
1,000  
20 divs  
2,500  
50 divs  
5,000  
100 divs  
300 divs  
1,000 divs  
15,000  
50,000  
TDS 500D & TDS 700D,  
All channels  
Divisions per record  
1
2
1
3
Models with Option 1M  
Record length  
FTS Off  
FTS On  
TDS 500D & TDS 700D,  
All channels  
75,000  
1,500 divs  
2,000 divs  
2,600 divs  
5,000 divs  
10 divs  
10 divs  
10 divs  
10 divs  
TDS 500D & TDS 700D,  
All channels  
100,000  
130,000  
250,000  
TDS 500D & TDS 700D,  
All channels  
TDS 520D  
One channel only  
TDS 540D, TDS 580D, & All TDS 700D  
One or two channels  
TDS 540D, TDS 580D, & All TDS 700D  
One channel only  
500,000  
10,000 divs  
10 divs  
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Table 2–2: Record length and divisions per record vs. TDS model (cont.)  
Divisions per record  
1
2
1
3
Models with Option 2M  
Record length  
FTS Off  
FTS On  
TDS 520D & TDS 724D  
One or two channels  
2,000,000  
40,000 divs  
80,000 divs  
160,000 divs  
10 divs  
10 divs  
10 divs  
TDS 540D, TDS 580D, TDS 754D,  
TDS 784D & TDS 794D  
Three or four channels  
TDS 520D & TDS 724D  
One channel only  
4,000,000  
8,000,000  
TDS 540D, TDS 580D, TDS 754D,  
TDS 784D & TDS 794D  
Two channels  
TDS 540D, TDS 754D,  
TDS 784D & TDS 794D  
One channel only  
1
Fit to Screen setting  
2
Fit to Screen off preserves 50 samples/division in a 1–2–5 sec/division sequence.  
Fit to Screen on lets the samples/division and the sec/division sequence vary.  
3
4
All channels means all that may be displayed at one time: four channels for some  
models, two for others. See Table 2–1 and its footnote.  
Trigger System  
The triggering system supports a varied set of features for triggering the  
signal-acquisition system. Trigger signals recognized include:  
H
Edge (main- and delayed-trigger systems): This familiar type of triggering is  
fully configurable for source, slope, coupling, mode (auto or normal), and  
holdoff.  
H
Logic (main-trigger system): This type of triggering can be based on pattern  
(asynchronous) or state (synchronous). In either case, logic triggering is  
configurable for sources, for Boolean operators to apply to those sources, for  
logic pattern or state on which to trigger, for mode (auto or normal), and for  
holdoff. Time qualification may be selected in pattern mode. Another class  
of logic trigger, setup/hold, triggers when data in one trigger source changes  
state within the setup and hold times that you specify relative to a clock in  
another trigger source.  
H
Pulse (main-trigger system): Pulse triggering is configurable for triggering  
on runt or glitch pulses, or on pulse widths or periods inside or outside limits  
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that you specify. It can also trigger on a pulse edge that has a slew rate faster  
or slower than the rate you specify. The timeout trigger will act when events  
do not occur in a defined time period. The pulse trigger is also configurable  
for source, polarity, mode, and holdoff.  
H
H
Video (with option 05: Video Trigger): Video triggering is compatible with  
standard NTSC, PAL, SECAM, and HDTV formats. An additional feature  
called FlexFormatTM (flexible format) allows the user to define the video  
format on which to trigger.  
Comm (with option 2C): is provided for triggering on AMI, CMI, or NRZ  
communications signals.  
You can choose where the trigger point is located within the acquired waveform  
record by selecting the amount of pretrigger data displayed. Presets of 10%,  
50%, and 90% of pretrigger data can be selected in the horizontal menu, or the  
general purpose knob can be assigned to set pretrigger data to any value within  
the 0% to 100% limits.  
Acquisition Control  
You can specify a mode and manner to acquire and process signals that matches  
your measurement requirements.  
H
Select the mode for interpolation (linear or sin (x)/x). This can increase the  
apparent sample rate on the waveform when the maximum real-time rate is  
exceeded.  
H
H
Use sample, envelope, average and peak detect modes to acquire signals.  
With the TDS 500D/700D, also use high-resolution mode.  
Set the acquisition to stop after a single acquisition (or sequence of  
acquisitions if acquiring in average or envelope modes) or after a limit  
condition has been met.  
H
Select channel sources for compliance with limit tests. You can direct the  
TDS to signal you or generate hard copy output either to a printer or to a  
floppy-disk file based on the results. Also, you can create templates for use  
in limit tests.  
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On-Board User Assistance  
Help and autoset can assist you in setting up the oscilloscope to make your  
measurements.  
Help  
Help displays operational information about any front-panel control. When help  
mode is in effect, manipulating any front-panel control causes the oscilloscope to  
display information about that control. When help is first invoked, an introduc-  
tion to help is displayed on screen.  
Autoset  
Autoset automatically sets up the oscilloscope for a viewable display based on  
the input signal.  
Measurement Assistance  
Once you have set up to make your measurements, the cursor and measure  
features can help you quickly make those measurements.  
Cursor  
Three types of cursors are provided for making parametric measurements on the  
displayed waveforms. Horizontal bar cursors (H Bar) measure vertical parame-  
ters (typically volts). Vertical bar cursors (V Bar) measure horizontal parameters  
(typically time or frequency). Paired cursors measure both amplitude and time  
simultaneously. These are delta measurements; that is, measurements based on  
the difference between two cursors.  
Both H Bar and V Bar cursors can also be used to make absolute measurements.  
For the H Bars, either cursor can be selected to read out its voltage with respect  
to any channel’s ground reference level. For the V Bars, the cursors measure time  
with respect to the trigger point (event) of the acquisition. The cursors can also  
control the portion of the waveform on which automatic measurements are made.  
For time measurements, units can be either seconds or hertz (for 1/time).  
With the video trigger option installed (Option 05), you can measure the video  
line number using the vertical cursors. You can measure IRE amplitude (NTSC)  
using the horizontal cursors with or without the video trigger option installed.  
Measure  
Measure can automatically extract parameters from the signal input to the  
oscilloscope. Any four out of the 25 parameters available can be displayed to the  
screen. The waveform parameters are measured continuously with the results  
updated on-screen as the oscilloscope continues to acquire waveforms.  
2–7  
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Specifications  
Digital Signal Processing  
(DSP)  
An important component of the multiprocessor architecture of this oscilloscope  
is Tektronix’ proprietary digital signal processor, the DSP. This dedicated  
processor supports advanced analysis of your waveforms when doing such  
compute-intensive tasks as interpolation, waveform math, and signal averaging.  
It also teams with a custom display system to deliver specialized display modes  
(See Display, later in this description).  
Storage  
Acquired waveforms may be saved in any of four nonvolatile REF (reference)  
memories or on a 3.5 inch, DOS 3.3-or-later compatible disk. Any or all of the  
saved waveforms may be displayed for comparison with the waveforms being  
currently acquired.  
The TDS 500D/700D instrument with option 2M can save waveforms to an  
internal hard disk drive. Any or all of the saved waveforms may be displayed  
for comparison with the waveforms being currently acquired.  
The source and destination of waveforms to be saved may be chosen. You can  
save any of the four channels to any REF memory or move a stored reference  
from one REF memory to another. Reference waveforms may also be written  
into a REF memory location via the GPIB interface.  
I/O  
The oscilloscope is fully controllable and capable of sending and receiving  
waveforms over the GPIB interface (IEEE Std 488.1–1987/IEEE Std 488.2–1987  
standard). This feature makes the instrument ideal for making automated  
measurements in a production or research and development environment that  
calls for repetitive data taking. Self-compensation and self-diagnostic features  
built into the oscilloscope to aid in fault detection and servicing are also  
accessible using commands sent from a GPIB controller.  
The oscilloscope can also output copies of its display using the hardcopy feature.  
This feature allows you to output waveforms and other on-screen information to  
a variety of graphic printers and plotters from the TDS front panel, providing  
hard copies without requiring you to put the TDS into a system-controller  
environment.  
You can make hardcopies in a variety of popular output formats, such as PCX,  
TIFF, BMP, RLE, EPS, Interleaf, and EPS mono or color. You can also save  
hardcopies in a disk file in any of the formats listed in the I/O section.  
2–8  
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Specifications  
The hardcopies obtained are based on what is displayed on-screen at the time  
hardcopy is invoked. The hardcopies can be stamped with date and time and  
spooled to a queue for printing at a later time. You can output screen information  
via GPIB, RS-232-C, or Centronics interfaces.  
Display  
The offer flexible display options. You can customize the following attributes of  
your display:  
H
Color (TDS 644B, TDS 684B, and TDS 700D): Waveforms, readouts,  
graticule, and variable persistence with color coding  
H
H
Intensity: waveforms, readouts, and graticule  
Style of waveform display(s): vectors or dots, intensified or nonintensified  
samples, infinite persistence, and variable persistence  
H
H
Interpolation method: Sin(x)/x or Linear  
Display format: xy or yt with various graticule selections including NTSC  
and PAL to be used with video trigger (option 05)  
Zoom  
This oscilloscope also provides an easy way to focus in on those waveform  
features you want to examine up close. By invoking zoom, you can magnify the  
waveform using the vertical and horizontal controls to expand (or contract) and  
position it for viewing.  
2–9  
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Specifications  
2–10  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Nominal Traits  
This section contains a collection of tables that list the various nominal traits  
that describe the TDS 500D, TDS 600B, and TDS 700D oscilloscopes. Electrical  
and mechanical traits are included.  
Nominal traits are described using simple statements of fact such as “Four, all  
identical” for the trait “Input Channels, Number of,” rather than in terms of  
limits that are performance requirements.  
Table 2–3: Nominal traits — Signal acquisition system  
Name  
Description  
Bandwidth Selections  
Samplers, Number of  
20 MHz, 250 MHz, and FULL (No BW limit on TDS 794D)  
TDS 540D, 580D, 644B, 684B, 754D, 784D, and 794D: Four, simultaneous  
TDS 520D, 620B, 680B, and 724D: Two, simultaneous  
1
Digitized Bits, Number of  
Input Channels, Number of  
Input Coupling  
8 bits  
Four  
DC, AC, or GND (TDS 794D – DC or GND only)  
1 MW or 50 W (TDS 794D – 50 W only)  
Input Impedance Selections  
Ranges, Offset  
Volts/Div setting  
Offset range  
(All except TDS 794D)  
1 mV/div – 100 mV/div  
±1 V  
101 mV/div – 1 V/div  
±10 V  
1.01 V/div – 10 V/div  
10 mV/div – 50 mV/div  
±100 V  
Ranges, Offset (TDS 794D only)  
±0.50 V  
50.5 mV/div – 99.5 mV/div  
100 mV/div – 500 mV/div  
±0.25 V  
±5 V  
500 mV/div – 1 V/div  
±2.5 V  
Range, Position  
±5 divisions  
3
2
Range, 1 MW Sensitivity  
1 mV/div to 10 V/div  
2
Range, 50 W Sensitivity  
1 mV/div to 1 V/div (10 mV/div – 1V/div on TDS 794D)  
1
Displayed vertically with 25 digitization levels (DLs) per division and 10.24 divisions dynamic range with zoom off. A DL  
is the smallest voltage level change of the oscilloscope input that can be resolved by the 8-bit A-D Converter. Expressed  
as a voltage, a DL is equal to 1/25 of a division times the volts/division setting.  
2
3
The sensitivity ranges from 1 mV/div to 10 V/div (for 1 MW) or to 1 V/div (for 50 W) in a 1–2–5 sequence of coarse settings  
with Fit-to-Screen off. Between coarse settings, the sensitivity can be finely adjusted with a resolution equal to 1% of the  
more sensitive coarse setting. For example, between 50 mV/div and 100 mV/div, the volts/division can be set with 0.5 mV  
resolution.  
1 MW not available on TDS 794D  
2–11  
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Nominal Traits  
Table 2–4: Nominal traits — Time base system  
Name  
Description  
1,3  
Range, Sample-Rate  
TDS 684B: 5 Samples/sec to 5 GSamples/sec on four channels simultaneously  
TDS 680B: 5 Samples/sec to 5 GSamples/sec on two channels simultaneously  
TDS 644B: 5 Samples/sec to 2.5 GSamples/sec on four channels simultaneously  
TDS 620B: 5 Samples/sec to 2.5 GSamples/sec on two channels simultaneously  
TDS 520D, and 724D: 5 Samples/sec to 2 GSamples/sec when acquiring 1 channel,  
to 1 GSample/sec when acquiring 2 channels  
TDS 540D: 5 Samples/sec to 2 GSamples/sec when acquiring 1 or 2 channels,  
to 1 GSample/sec when acquiring 3 or 4 channels  
TDS 540D Opt. 1G: 5 Samples/sec to 1 GSample/sec when acquiring 1 to 4 channels  
TDS 754D: 5 Samples/sec to 2 GSamples/sec when acquiring 1 or 2 channels,  
to 1 GSample/sec when acquiring 3 or 4 channels  
TDS 754D Opt 1G: 5 Samples/sec to 1 GSample/sec when acquiring 1 to 4 channels  
TDS 580D, 784D, and 794D: 5 Samples/sec to 4 GSamples/sec when acquiring 1  
channel, to 2 GSamples/sec when acquiring 2 channels,  
or to 1 GSample/sec when acquiring 3 or 4 channels  
2,3  
Range, Interpolated Waveform Rate  
Range, Seconds/Division  
TDS 600B: 10 GSamples/sec to 250 GSamples/sec  
TDS 520D, 540D, 724D, and 754D: 1 GSample/sec to 100 GSamples/sec  
TDS 580D, 784D, and 794D: 2 GSamples/sec to 250 GSamples/sec  
TDS 600B: 0.2 ns/div to 10 s/div  
TDS 500D, 724D, and 754D: 0.5 ns/div to 10 s/div  
TDS 580D, 784D, and 794D: 0.2 ns/div to 10 s/div  
2–12  
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Nominal Traits  
Table 2–4: Nominal traits — Time base system (cont.)  
Name  
Description  
Record Length Selection  
TDS 500D & TDS 700D:  
500, 1,000, 2,500, 5,000, 15,000 and 50,000 samples  
In addition to the record lengths previously listed, the following record lengths are  
available with the following options:  
TDS 520D & TDS 724D with option 1M:  
1-channel:  
2-channels:  
up to 250,000 samples  
up to 130,000 samples  
TDS 520D & TDS 724D with option 2M:  
1-channel:  
2-channels:  
up to 4,000,000 samples  
up to 2,000,000 samples  
TDS 540D, TDS 580D, TDS 754D, TDS 784D & TDS 794D with option 1M:  
1-channel:  
2-channels:  
3 or 4-channels  
up to 500,000 samples  
up to 250,000 samples  
up to 130,000 samples  
TDS 540D, TDS 580D, TDS 754D, TDS 784D & TDS 794D with option 2M:  
1-channel:  
2-channels:  
3 or 4-channels  
up to 8,000,000 samples  
up to 4,000,000 samples  
up to 2,000,000 samples  
1
The range of real-time rates, expressed in samples/second, at which a digitizer samples signals at its inputs and stores  
the samples in memory to produce a record of time-sequential samples.  
2
3
The range of waveform rates for interpolated (or equivalent-time on the TDS 700D) waveform records.  
The Waveform Rate (WR) is the equivalent sample rate of a waveform record. For a waveform record acquired by  
real-time sampling of a single acquisition, the waveform rate is the same as the real-time sample rate; for a waveform  
created by interpolation of real-time samples from a single acquisition or, on applicable products, the equivalent-time  
sampling of multiple acquisitions, the waveform rate created is faster than the real time sample rate. For all these cases,  
the waveform rate is 1/(Waveform Interval) for the waveform record, where the waveform interval (WI) is the time between  
the samples in the waveform record.  
Table 2–5: Nominal traits — Triggering system  
Name  
Description  
Range, Delayed Trigger Time Delay  
Range, Events Delay  
16 ns to 250 s  
TDS 600B; 2 to 10,000,000  
TDS 500D/700D: 1 to 10,000,000  
1 ns to 1 s  
Range (Time) for Pulse-Glitch,  
Pulse-Width, Time-Qualified Runt, Timeout,  
or Slew Rate Trigger, Delta Time  
2–13  
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Nominal Traits  
Table 2–5: Nominal traits — Triggering system (cont.)  
Name  
Description  
Feature  
Ranges, Setup and Hold for  
Min to max  
TimeSetup/Hold Violation Trigger  
Setup Time  
–100 ns to 100 ns  
Hold Time  
–1 ns to 100 ns  
2 ns  
Setup + Hold Time  
For Setup Time, positive numbers mean a data transition before the clock edge and  
negative means a transition after the clock edge.  
For Hold Time, positive numbers mean a data transition after the clock edge and negative  
means a transition before the clock edge.  
Setup + Hold Time is the algebraic sum of the Setup Time and the Hold Time  
programmed by the user.  
Ranges, Trigger Level or Threshold  
Source  
Range  
Any Channel  
±12 divisions from center of screen  
Auxiliary  
±8 V  
Line  
±400 V  
Video Trigger Modes of Operation  
(Option 05 Video Trigger)  
Supports the following video standards:  
H
H
H
NTSC (525/60) – 2 field mono or 4 field  
PAL (625/50) – 2 field mono or SECAM, 8 field  
HDTV –  
(787.5/60)  
(1050/60)  
(1125/60)  
(1250/60)  
TM  
H
FlexFormat (user definable standards)  
User can specify: field rate, number of lines, sync pulse width and polarity, line rate,  
and vertical interval timing.  
2–14  
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Nominal Traits  
Table 2–5: Nominal traits — Triggering system (cont.)  
Name  
Description  
1
Communication Trigger Modes of  
Operation  
Standard Name  
Code  
Bit Rate  
(Option 2C Comm Trigger)  
OC1/STM0  
OC3/STM1  
OC12/STM4  
DS0 Sgl  
DS0 Dbl  
DS0 Data Contra  
DS0 Timing  
E1  
E2  
E3  
E4  
E5 (CEPT)  
STM1E  
DS1  
DS1A  
DS1C  
DS2  
DS3/DS3 Rate  
DS4NA  
STS-1  
STS-3  
FC133  
NRZ  
NRZ  
NRZ  
Masks  
Masks  
Masks  
Masks  
AMI  
AMI  
AMI  
CMI  
NRZ  
CMI  
AMI  
AMI  
AMI  
AMI  
AMI  
CMI  
AMI  
CMI  
NRZ  
NRZ  
NRZ  
NRZ  
NRZ  
NRZ  
NRZ  
NRZ  
NRZ  
NRZ  
NRZ  
51.84 Mb/s  
155.52 Mb/s  
622.08 Mb/s  
64 kb/s  
64 kb/s  
64 kb/s  
2
2
2
2
64 kb/s  
2.048 Mb/s  
8.44 Mb/s  
34.368 Mb/s  
139.26 Mb/s  
565 Mb/s  
155.52 Mb/s  
1.544 Mb/s  
2.048 Mb/s  
3.152 Mb/s  
6.312 Mb/s  
44.736 Mb/s  
139.26 Mb/s  
51.84 Mb/s  
155.52 Mb/s  
132.8 Mb/s  
265.6 Mb/s  
531.2 Mb/s  
1.0625 Mb/s  
143.18 Mb/s  
270 Mb/s  
FC266  
FC531  
FC1063  
D2  
D1  
FDDI  
125 Mb/s  
360 Mb/s  
10 Mb/s  
125 Mb/s  
4:2:2 SMPTE 259M-D  
10 Base-T  
100 Base-T  
Gigabit Ethernet  
1.25 Gb/s  
1
AMI = Alternate Mark Inversion. CMI = Code Mark Inversion. NRZ = Non-return to Zero.  
These Telecom DS0 standards are automatically selected from the Mask Menu. The trigger uses Pulse/Width trigger.  
2
Table 2–6: Nominal traits — Display system  
Name  
Description  
Video Display  
7 inch diagonal, with a display area of 5.04 inches horizontally by 3.78 inches vertically  
TDS 520D, 540D, 580D, 620B, and 680B: Monochrome display  
TDS 644B, 684B, 724D, 754D, 784D, and 794D: Color display  
Video Display Resolution  
640 pixels horizontally by 480 pixels vertically  
2–15  
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Nominal Traits  
Table 2–6: Nominal traits — Display system (cont.)  
Name  
Description  
Waveform Display Graticule  
Waveform Display Levels/Colors  
Single Graticule: 401 × 501 pixels, 8 ×10 divisions, where divisions are 1 cm by 1 cm  
TDS 520D, 540D, 580D, 620B, and 680B:  
Sixteen levels in infinite-persistence or variable persistence display  
TDS 644B, 684B, 724D, 754D, 784D, and 794D:  
Sixteen colors in infinite-persistence or variable persistence display  
Table 2–7: Nominal traits — GPIB interface, output ports, and power fuse  
Name  
Description  
Interface, GPIB  
Interface, RS-232  
GPIB interface complies with IEEE Std 488-1987  
RS-232 interface complies with EIA/TIA 574 (talk only)  
Optional on the TDS 520D, 540D, 580D, 620B, and 680B  
Interface, Centronics  
Centronics interface complies with Centronics interface standard  
C332-44 Feb 1977, REV A  
Optional on the TDS 520D, 540D, 580D, 620B, and 680B  
Interface, Video  
VGA video output with levels that comply with EIA RS 343A standard. DB-15 connector  
Negative TRUE. High to low transition indicates the trigger occurred.  
Logic Polarity for Main- and Delayed-  
Trigger Outputs  
1
Fuse Rating  
Either of two fuses may be used: a 0.25I × 1.25I (UL 198.6, 3AG): 6 A FAST, 250 V  
or a 5 mm × 20 mm (IEC 127): 5 A (T), 250 V.  
1
Each fuse type requires its own fuse cap.  
Table 2–8: Nominal traits — Data handling and reliability  
Name  
Description  
Time, Data-Retention,  
Nonvolatile Memory  
Battery life 5 years  
1, 2  
Floppy disk drive  
3.5 inch, 720 K or 1.44 Mbyte, DOS 3.3-or-later compatible  
175 Mbyte capacity  
Internal hard disk drive  
(option 2M available on the  
TDS 500D and 700D)  
External data storage  
Iomega Zip drive compatible  
1
The times that reference waveforms, stored setups, and calibration constants are retained.  
2
Data is maintained by small lithium-thionyl-chloride batteries internal to the memory ICs. At the time of manufacture, no  
special disposal requirements were in effect for these batteries as the amount of hazardous material contained was below  
the regulated threshold. Consult your local waste disposal agency for proper disposal.  
2–16  
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Nominal Traits  
Table 2–9: Nominal traits — Mechanical  
Name  
Description  
Cooling Method  
Forced-air circulation with no air filter. Clearance is required. Refer to the TDS 500D,  
TDS 600B & TDS 700D User Manual for minimum clearance dimensions.  
Construction Material  
Weight  
Chassis parts constructed of aluminum alloy; front panel constructed of plastic laminate;  
circuit boards constructed of glass laminate. Cabinet is aluminum and is clad in Tektronix  
Blue vinyl material.  
Standard Oscilloscope  
14.1 kg (31 lbs), with front cover.  
24.0 kg (53 lbs), when packaged for domestic shipment  
Rackmount Oscilloscopes  
14.1 kg (31 lbs) plus weight of rackmount parts, for the rackmounted Oscilloscopes  
(Option 1R).  
Rackmount conversion kit  
2.3 kg (5 lbs), parts only; 3.6 kg (8 lbs), parts plus package for domestic shipping  
Standard Oscilloscope  
Overall Dimensions  
Height: 193 mm (7.6 in), with the feet installed  
Width: 445 mm (17.5 in), with the handle  
Depth: 434 mm (17.1 in), with the front cover installed  
Rackmount Oscilloscope  
Height: 178 mm (7.0 in)  
Width: 483 mm (19.0 in)  
Depth: 558.8 mm (22.0 in)  
2–17  
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Nominal Traits  
2–18  
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Warranted Characteristics  
This section lists the various warranted characteristics that describe the  
TDS 500D, TDS 600B and TDS 700D oscilloscopes. Electrical and environmen-  
tal characteristics are included.  
Warranted characteristics are described in terms of quantifiable performance  
limits which are warranted.  
NOTE. In these tables, those warranted characteristics that are checked in the  
procedure Performance Verification appear in boldface type under the column  
Name.  
As stated above, this section lists only warranted characteristics. A list of typical  
characteristics starts on page 2–27.  
Performance Conditions  
The performance limits in this specification are valid with these conditions:  
H
H
The oscilloscope must have been calibrated/adjusted at an ambient tempera-  
ture between +20_ C and +30_ C.  
The oscilloscope must be in an environment with temperature, altitude,  
humidity, and vibration within the operating limits described in these  
specifications.  
H
H
The oscilloscope must have had a warm-up period of at least 20 minutes.  
The oscilloscope must have had its signal-path-compensation routine last  
executed after at least a 20 minute warm-up period at an ambient temperature  
within ±5_ C of the current ambient temperature.  
2–19  
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Warranted Characteristics  
Table 2–10: Warranted characteristics — Signal acquisition system  
Name  
Description  
Accuracy, DC Gain  
TDS 600B: ±1.5% for all sensitivities from 2 mV/div to 10 V/div  
± 2.0% at 1 mV/div sensitivity  
TDS 500D, 700D: ±1% for all sensitivities from 1 mV/div to 10 V/div with offset from 0 V  
to ±100V  
TDS 794D: ±1% for all sensitivities from 10 mV/div to 1 V/div over permitted offset range  
Accuracy, DC Voltage Measurement,  
Averaged (using Average mode)  
Measurement type  
DC Accuracy  
1
Average of 16 waveforms  
TDS 600B: ±((1.5% × | reading – Net Offset | )  
+ Offset Accuracy) + (0.06 div × V/div))  
TDS 500D, 700D: ±((1.0% × | reading – Net  
1
Offset | ) + Offset Accuracy + (0.06 div x V/div))  
Delta volts between any two averages TDS 600B: ±((1.5% × | reading | ) +  
of 16 waveforms acquired under the (0.1 div × V/div) + 0.3 mV)  
same setup and ambient conditions  
+
TDS 500D, 700D: ±((1.0% × | reading | )  
(0.1 div x V/div) + 0.3 mV)  
Accuracy, Offset  
All except TDS 794D  
TDS 600B  
Offset accuracy  
TDS 500D/700D  
Offset accuracy  
Volts/Div setting  
1 mV/div – 100 mV/div  
±((0.2% × | Net Off-  
±((0.2% × | Net Off-  
1
)
1
set | + 1.5 mV +  
(0.6 div x V/div))  
set | ) + 1.5 mV +  
(0.1 div x V/div))  
101 mV/div – 1 V/div  
1.01 V/div – 10 V/div  
±((0.25% × | Net Off-  
±((0.25% × | Net Off-  
1
)
1
set | + 15 mV +  
(0.6 div x V/div))  
set | ) + 15 mV +  
(0.1 div x V/div))  
±((0.25% × | Net Off-  
±((0.25% × | Net Off-  
1 | )  
1
set + 150 mV +  
set | ) + 150 mV +  
( 0.6 div x V/div))  
(0.1 div x V/div))  
Accuracy, Offset  
TDS 794D  
Volts/Div setting  
TDS 794D Offset accuracy  
10 mV/div – 100 mV/div  
±((0.2% × | Net Off-  
1
)
set | + 1.5 mV +  
(0.1 div x V/div))  
101 mV/div – 1 V/div  
±((0.25% × | Net Off-  
1
)
set | + 15 mV +  
(0.1 div x V/div))  
Analog Bandwidth, DC-50 W Coupled  
and Bandwidth selection is FULL,  
TDS 600B  
TDS 620B & 644B  
Bandwidth  
TDS 680B & 684B  
Bandwidth  
2
2
Volts/Div  
10 mV/div – 1 V/div  
5 mV/div – 9.95 mV/div  
2 mV/div – 4.98 mV/div  
1 mV/div – 1.99 mV/div  
DC – 500 MHz  
DC – 450 MHz  
DC – 300 MHz  
DC – 250 MHz  
DC – 1 GHz  
DC – 750 MHz  
DC – 600 MHz  
DC – 500 MHz  
2–20  
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Warranted Characteristics  
Table 2–10: Warranted characteristics — Signal acquisition system (cont.)  
Name  
Description  
Analog Bandwidth, DC-50 W Coupled  
and Bandwidth selection is FULL,  
TDS 500D/700D  
TDS 520D, 540D,  
724D & 754D  
Bandwidth  
TDS 580D &  
TDS 784D  
Bandwidth  
2
2
Volts/Div  
10 mV/div – 1 V/div  
5 mV/div – 9.95 mV/div  
2 mV/div – 4.98 mV/div  
1 mV/div – 1.99 mV/div  
DC – 500 MHz  
DC – 500 MHz  
DC – 500 MHz  
DC – 450 MHz  
TDS 794D  
DC – 1 GHz  
DC – 750 MHz  
DC – 600 MHz  
DC – 500 MHz  
2
Volts/Div  
Bandwidth  
10 mV/div – 1 V/div  
DC – 2 GHz  
Crosstalk (Channel Isolation)  
100:1 at 100 MHz and 30:1 at the rated bandwidth for the channel’s Volt/Div setting,  
for any two channels having equal Volts/Div settings  
Delay Between Channels, Full  
Bandwidth  
TDS 600B: 100 ps for any two channels with equal Volts/Div and Coupling settings and  
both channels’ deskew values set to 0  
TDS 500D/700D: 50 ps for any two channels with equal Volts/Div and Coupling settings  
and both channel deskew values set to 0.0 ms.  
Input Impedance, DC–1 MW Coupled  
1 MW ±0.5% in parallel with 10 pF ±3 pF (DC–50 W Coupled only on TDS 794D)  
Input Impedance, DC–50 W Coupled  
50 W ±1% with VSWR 1.3:1 from DC – 500 MHz, 1.5:1 from 500 MHz – 1 GHz  
Input Impedance, DC–50 W Coupled  
TDS 794D  
50 W ±1.25% with VSWR 1.5:1 from 100 MHz – 1 GHz, VSWR 1.7:1 from 1 GHz –  
2 GHz  
Input Voltage, Maximum,  
DC–1 MW,  
TDS 600B: ±300 V CAT II, 400 V peak;  
derate at 20 dB/decade above 1 MHz  
AC–1 MW, or  
GND Coupled  
TDS 500D/700D: ±300 V CAT II, 400 V peak;  
derate at 20 dB/decade above 1 MHz  
(DC–50 W or GND Coupled  
TDS 794D only)  
Input Voltage, Maximum, DC-50 W or  
AC–50 W Coupled  
5 V , with peaks ±30 V  
RMS  
Input Voltage, Maximum, DC-50 W  
Coupled TDS 794D  
5 V , with peaks ±20 V  
RMS  
3
Lower Frequency Limit, AC Coupled  
10 Hz when AC–1 MW Coupled; 200 kHz when AC–50 W Coupled  
1
Net Offset = Offset – (Position × Volts/Div). Net Offset is the nominal voltage level at the oscilloscope input that  
corresponds to the center of the A-D converter’s dynamic range. Offset Accuracy is the accuracy of this voltage level.  
2
3
The limits given are for the ambient temperature range of 0_C to +30_C. Reduce the upper bandwidth frequencies by  
5 MHz for the TDS 600B, by 2.5 MHz for the 500 MHz TDS 500D/700D models, by 5 MHz for the 1 GHz TDS 500D/700D  
models, and by 10 MHz for the 2 GHz TDS 500D/700D models for each _C above +30_C.  
The AC Coupled Lower Frequency Limits are reduced by a factor of 10 when 10X passive probes are used.  
2–21  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Warranted Characteristics  
Table 2–11: Warranted characteristics — Time base system  
Name  
Description  
Accuracy, Long Term Sample Rate and  
Delay Time  
TDS 600B: ±100 ppm over any 1 ms interval  
TDS 500D/700D: ±25 ppm over any 1 ms interval  
Table 2–12: Warranted characteristics — Triggering system  
Name  
Description  
Sensitivity, Edge-Type Trigger, Coupling Trigger source Sensitivity  
1
set to “DC”  
Any Channel  
TDS 620B & 644B: 0.35 division from DC to 50 MHz,  
increasing to 1 division at 500 MHz  
TDS 680B & 684B: 0.35 division from DC to 50 MHz,  
increasing to 1 division at 1 GHz  
TDS 500D, 724D, & 754D: 0.35 division from DC to 50 MHz,  
increasing to 1 division at 500 MHz  
TDS 580D & 784D: 0.35 division from DC to 50 MHz, increasing to  
1 division at 1 GHz  
TDS 794D: 0.35 division from DC to 50 MHz,  
increasing to 1 division at 1.5 GHz  
TDS 600B: 250 mV from DC to 50 MHz,  
increasing to 500 mV at 100 MHz  
Auxiliary  
TDS 500D, 724D, & 754D: 400 mV from DC to 50 MHz, increasing to  
750 mV at 100 MHz  
TDS 580D & 784D: 250 mV from DC to 50 MHz,  
increasing to 500 mV at 100 MHz  
TDS 794D: 250 mV from DC to 50 MHz,  
increasing to 500 mV at 100 MHz  
Width, Minimum Pulse and Rearm, for  
Pulse Triggering  
For vertical settings > 10 mV/div. and 1 V/div at the BNC input  
Minimum pulse  
width  
Pulse class  
Glitch  
Minimum re-arm width  
2 ns + 5% of Glitch Width Setting  
2 ns  
The minimum pulse widths and rearm  
widths and transition times required for  
Pulse-Type triggering.  
2
1 ns  
Runt  
2 ns  
Time-Qualified 2 ns  
Runt  
TDS 700D: 8.5 ns + 5% of Width Setting  
Width  
1 ns  
2 ns + 5% of Width Upper Limit Setting  
2 ns + 5% of Width Upper Limit Setting  
TDS 700D: 8.5 ns + 5% of Delta Time Setting  
Timeout  
Slew Rate  
1 ns  
2
600 ps  
2–22  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Warranted Characteristics  
Table 2–12: Warranted characteristics — Triggering system (Cont.)  
Name  
Description  
Time range  
1 ns to 500 ns  
Accuracy (Time) for Pulse-Glitch or  
Pulse-Width Triggering  
Accuracy  
±(20% of setting + 0.5 ns)  
500 ns to 1 s  
±(100 ns + 0.01% of Setting)  
Input Signal Sync Amplitude for Stable  
Triggering, NTSC and PAL modes  
(Option 05 Video Trigger)  
Field selection “Odd”, “Even”, or “All”: 0.6 division to 4 divisions  
Field selection “Numeric”: 1 division to 4 divisions (NTSC mode)  
Jitter (Option 05 Video Trigger)  
60 ns on NTSC or PAL signal  
p-p  
1
The minimum sensitivity for obtaining a stable trigger. A stable trigger results in a uniform, regular display triggered on  
the selected slope. The trigger point must not switch between opposite slopes on the waveform, and the display must not  
“roll” across the screen on successive acquisitions. The TRIG’D LED stays constantly lighted when the SEC/DIV setting  
is 2 ms or faster but may flash when the SEC/DIV setting is 10 ms or slower.  
2
For Slew Rate Triggering, this is the minimum transition time, defined to be the time the user’s signal spends between  
the two trigger threshold settings.  
Table 2–13: Warranted characteristics — Output ports, probe compensator, and power requirements  
Name  
Description  
Logic Levels, Main- and Delayed-Trigger Characteristic  
Limits  
Outputs  
Vout (HI)  
2.5 V open circuit; 1.0 V into a 50 W  
load to ground  
Vout (LO)  
0.7 V into a load of 4 mA;  
0.25 V into a 50 W load to ground  
Output Voltage and Frequency,  
Probe Compensator  
Characteristic  
Limits  
Output Voltage  
0.5 V (base-top) ±1% into a 50 W load  
Frequency  
1 kHz ±5%  
1
Output Voltage, Signal Out (CH 3 )  
For TDS 600B: 20 mV/division ±20% into a 1 MW load;  
10 mV/division ±20% into a 50 W load  
For TDS 500D/700D:  
22 mV/division ±20% into a 1 MW load;  
11 mV/division ±20% into a 50 W load  
Source Voltage  
100 to 240 VAC , continuous range, CAT II  
RMS  
Source Frequency  
45 Hz to 440 Hz  
Power Consumption  
350 W (450 VA)  
1
CH 3 signal out is present at the rear panel if CH 3 (AUX 1 on the TDS 620B or 680B) is selected as the trigger source for  
the main and/or delayed trigger systems. It is not available when a channel other than CH3 (AUX 1 on the TDS 620B or  
680B) is the source for the Video Trigger when Option 05 is installed.  
2–23  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Warranted Characteristics  
Table 2–14: Warranted characteristics — Environmental  
Name  
Description  
Atmospherics  
Temperature (no disk in floppy drive):  
TDS 600B:  
Operating: +4_ C to +45_ C  
Floppy disk drive: Operating: +10_ C to +45_ C  
Nonoperating: –22_ C to +60_ C  
TDS 500D/700D: Operating: +0_ C to +50_ C  
Floppy disk drive: Operating: +10_ C to +50_ C  
Nonoperating: –22_ C to +60_ C  
Relative humidity (no disk in floppy drive):  
Operating: 20% to 80%, at or below +32_ C,  
upper limit derates to 30% relative humidity at +45_ C  
Nonoperating: 5% to 90%, at or below +31_ C,  
upper limit derates to 20% relative humidity at 60_ C  
Altitude:  
To 4570 m (15,000 ft.), operating (excluding hard disk drive)  
To 3048 m (10,000 ft.), operating (including hard disk drive)  
To 12190 m (40,000 ft.), nonoperating  
Dynamics  
Random vibration (floppy disk not installed):  
0.31 g rms, from 5 to 500 Hz, 10 minutes each axis, operating  
3.07 g rms, from 5 to 500 Hz, 10 minutes each axis, nonoperating  
1, 2  
Emissions (TDS 500D/700D)  
Meets or exceeds the requirements of the following standards:  
FCC Code of Federal Regulations, 47 CFR, Part 15, Subpart B, Class A  
European Community Requirements  
EN 55011 Class A Radiated Emissions  
EN 55011 Class A Conducted Emissions  
EN 50081–1  
EN60555–2 Power Line Harmonic Emissions  
1, 2  
Emissions (TDS 600B)  
Meets or exceeds the requirements of the following standards:  
FCC Code of Federal Regulations, 47 CFR, Part 15, Subpart B, Class A  
EN 50081–1 European Community Requirements  
EN 55022 Radiated Emissions Class B  
EN 55022 Class B Conducted Emissions  
EN60555–2 Power Line Harmonic Emissions  
2–24  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Warranted Characteristics  
Table 2–14: Warranted characteristics — Environmental (cont.)  
Name  
Description  
Meets or exceeds the EMC requirements of the following standards:  
1, 2  
Susceptibility  
EN 50082–1  
IEC 801-2  
European Community Requirements  
Electrostatic Discharge Performance Criteria B  
ąIEC 801-3  
Radiated Susceptibility 3 V/meter from 27 MHz to 500 MHz  
unmodulated  
IEC 801-4  
Fast Transients Performance Criteria B  
AC Surge Performance Criteria B  
ąIEC 801-5  
Approvals  
Conforms to and is certified where appropriate to:  
3
UL 3111–1 – Standard for electrical measuring and test equipment  
3
CAN/CSA C22.2 no. 1010.1 – Safety requirements for electrical equipment for  
measurement, control and laboratory use  
1
VGA output cable needs to be terminated, if connected at all, for the Instrument to meet these standards. The test will  
pass with LCOM part # CTL3VGAMM–5.  
2
The GPIB cable connected to the instrument for certain of the emissions tests must be “low EMI” having a high-quality  
outer shield connected through a low impedance to both connector housings. Acceptable cables are Tektronix part  
numbers 012-0991-00, -01, -02, and -03. In order to maintain the EMI performance conforming to the above regulations,  
the following cables, or their equivalent, should be used: a shielded Centronics cable, 3 meters in length, part number  
012-1214-00, and a shielded RS-232 cable, 2.7 meters in length, CA part number 0294-9.  
3
UL 3111, CSA 22.2 no.1010 Safety Certification Compliance:  
Temperature (operating) 5 to +40 C  
Altitude (maximum operating): 2000 meters  
Equipment Type: Test and Measurement  
Safety Class: Class I (as defined in IEC 1010–1, Annex H) – grounded product  
Overvoltage Category: Overvoltage Category II (as defined in IEC 1010–1, Annex J)  
Pollution Degree: Pollution Degree 2 (as defined in IEC 1010–1)  
Note – Rated for indoor use only  
2–25  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Warranted Characteristics  
Table 2–15: Certifications and compliances  
EC Declaration of Conformity  
(TDS 500D and TDS 700D)  
Meets intent of Directive 89/336/EEC for Electromagnetic Compatibility. Compliance was  
demonstrated to the following specifications as listed in the Official Journal of the European  
Communities:  
EMC Directive 89/336/EEC:  
EN 55011  
EN 50081-1 Emissions:  
EN 60555-2  
Class A Radiated and Conducted Emissions  
AC Power Line Harmonic Emissions  
EN 50082-1 Immunity:  
IEC 801-2  
Electrostatic Discharge Immunity  
RF Electromagnetic Field Immunity  
Electrical Fast Transient/Burst Immunity  
Power Line Surge Immunity  
IEC 801-3  
IEC 801-4  
IEC 801-5  
Australian Declaration of  
Conformity – EMC  
Conforms with the following standards in accordance with the Electromagnetic Compatibility  
Framework:  
(TDS 500D and TDS 700D)  
AS/NZS 2064.1/2  
Class A radiated and Conducted Emissions  
EC Declaration of Conformity  
(TDS 600B)  
Meets intent of Directive 89/336/EEC for Electromagnetic Compatibility. Compliance was  
demonstrated to the following specifications as listed in the Official Journal of the European  
Communities:  
EMC Directive 89/336/EEC:  
EN 50081-1 Emissions:  
EN 55022  
EN 60555-2  
Class B Radiated and Conducted Emissions  
AC Power Line Harmonic Emissions  
EN 50082-1 Immunity:  
IEC 801-2  
Electrostatic Discharge Immunity  
RF Electromagnetic Field Immunity  
Electrical Fast Transient/Burst Immunity  
Power Line Surge Immunity  
IEC 801-3  
IEC 801-4  
IEC 801-5  
EC Declaration of Conformity –  
Low Voltage  
Compliance was demonstrated to the following specification as listed in the Official Journal of the  
European Communities:  
Low Voltage Directive 73/23/EEC  
EN 61010-1:1993  
Safety requirements for electrical equipment for measurement,  
control, and laboratory use  
2–26  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Typical Characteristics  
This subsection contains tables that list the various typical characteristics which  
describe the TDS 500D, TDS 600B and TDS 700D oscilloscopes.  
Typical characteristics are described in terms of typical or average performance.  
Typical characteristics are not warranted.  
Table 2–16: Typical characteristics — Signal acquisition system  
Name  
Description  
1
Analog Bandwidth, DC-50 W Coupled  
with P6243 or P6245 Probe and  
Bandwidth selection is FULL  
Volts/Div as read out on screen  
10 V/div – 100 V/div  
520D, 540D, 724D & 754D Bandwidth  
Not Applicable  
100 mV/div – 10 V/div  
50 mV/div – 99.5 mV/div  
20 mV/div – 49.8 mV/div  
10 mV/div – 19.9 mV/div  
DC – 500 MHz  
TDS 520D, 540D, 724D & 754D  
DC – 500 MHz  
DC – 500 MHz  
DC – 450 MHz (P6243)  
DC – 500 MHz (P6245)  
Analog Bandwidth, DC-50 W Coupled  
with P6245 Probe and  
Bandwidth selection is FULL  
TDS 580D & TDS 784D  
Volts/Div as read out on screen  
10 V/div –100 V/div  
TDS 580D & TDS 784D  
(Not Applicable)  
DC – 1 GHz  
100 mV/div – 10 V/div  
50 mV/div – 99.5 mV/div  
20 mV/div – 49.8 mV/div  
10 mV/div – 19.9 mV/div  
Volts/Div as read out on screen  
DC – 750 MHz  
DC – 600 MHz  
DC – 500 MHz  
TDS 794D  
Analog Bandwidth, DC-50 W Coupled  
with P6217 Probe  
TDS 794D  
100 mV/div – 10 V/div  
DC – 2 GHz  
Analog Bandwidth, DC-1M W Coupled  
with P6139A Probe and Bandwidth  
selection is FULL  
TDS 520D, 540D, 580D,  
724D, 754D & 784D  
TDS 520D, 540D, 724D, 754D & 784D  
Bandwidth  
1
Volts/Div as read out on screen  
10 V/div – 100 V/div  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
500 MHz  
100 mV/div – 10 V/div  
50 mV/div – 99.5 mV/div  
20 mV/div – 49.8 mV/div  
10 mV/div – 19.9 mV/div  
2–27  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Typical Characteristics  
Table 2–16: Typical characteristics — Signal acquisition system (cont.)  
Name  
Description  
Analog Bandwidth, DC-50 W Coupled  
with P6139A Probe (TDS 620B & 644B)  
or P6245 Probe (TDS 680B & 684B) and  
Bandwidth selection is FULL  
TDS 600B  
TDS 620B & 644B  
Bandwidth  
TDS 680B & 684B  
Bandwidth  
1
1
Volts/Div as read out on screen  
10 V/div – 100 V/div  
(Not Applicable)  
DC – 500 MHz  
DC – 450 MHz  
DC – 300 MHz  
DC – 250 MHz  
(Not Applicable)  
DC – 1 GHz  
100 mV/div – 10 V/div  
50 mV/div – 99.5 mV/div  
20 mV/div – 49.8 mV/div  
10 mV/div – 19.9 mV/div  
DC – 750 MHz  
DC – 600 MHz  
DC – 500 MHz  
Accuracy, Delta Time Measurement  
The limits are given in the following table for signals having amplitude greater than  
5 divisions, reference level = 50%, filter set to (sinX/X), acquired at 5 mV/div or greater.  
For the TDS 700D, pulse duration < 10 div. Channel skew not included.  
For the Single Shot condition, 1.4 T /S 4, where  
r
i
S is the sample interval and T is the displayed rise time.  
i
r
TDS 600B: For the averaged condition, 1.4 T /W 40, where W is the Waveform  
r
i
i
Interval, as described elsewhere in these specifications.  
TDS 600B: Extra error in the measurement will occur for two-channel measurements due  
to channel-to-channel skew. This is described elsewhere in these specifications.  
Time measurement accuracy  
Conditions for accuracy listed at right  
are: Single Shot or Sample mode (or  
HiRes mode on the TDS 500D/700D),  
with Full Bandwidth selected.  
TDS 600B:±( (0.20 × sample interval) + (100 ppm × | Reading |) + (0.05 × W ) )  
i
TDS 600B example: at 5 GS/s, 5 ns/div, measuring a 40 ns wide pulse,  
accuracy = ±(40 ps + 4 ps + 5 ps) = ±49 ps.  
TDS 500D/700D: ±0.15 sample interval + (25 ppm × | Reading |) + t/div/1000  
TDS 500D/700D example: at 4 Gs/s, accuracy = 37.5 ps  
Conditions for accuracy listed at right  
are: 100 Averages, with Full Band-  
width selected, and for TDS  
TDS 600B: ±(10 ps + (100 ppm × | Reading |) + (0.25 × W ) )  
i
TDS 500D/700D: 20 ps + (25 ppm × | Reading |) + t/div/1000  
500D/700D, repetitive mode.  
2
Calculated Rise Time, TDS 600B  
620B & 644B  
Rise time  
680B & 684B  
Rise time  
Volts/Div setting  
10 mV/div – 1 V/div  
5 mV/div – 9.95 mV/div  
2 mV/div – 4.98 mV/div  
1 mV/div – 1.99 mV/div  
900 ps  
1 ns  
450 ps  
600 ps  
750 ps  
900 ps  
1.5 ns  
1.8 ns  
2–28  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Typical Characteristics  
Table 2–16: Typical characteristics — Signal acquisition system (cont.)  
Name  
Description  
Calculated Rise Time,  
TDS 500D/700D  
520D, 540D, 724D,  
& 754D Rise time  
580D & 784D  
Rise time  
2
Volts/Div setting  
10 mV/div – 1 V/div  
5 mV/div – 9.95 mV/div  
2 mV/div – 4.98 mV/div  
1 mV/div – 1.99 mV/div  
Volts/Div setting  
10 mV/div – 1 V/div  
Input frequency  
800 ps  
400 ps  
530 ps  
600 ps  
800 ps  
800 ps  
800 ps  
890 ps  
Calculated Rise Time,  
794D Rise time  
200 ps  
2
TDS 794D  
Effective Bits — TDS 600B  
Effective bits  
6.3 bits  
98 MHz  
The chart on the right gives the typical  
effective bits for a 9-division p-p  
sine-wave input, 50 mV/div, 10 ns/div  
(5 GS/s), with a record length of 1000  
points  
245 MHz  
490 MHz  
990 MHz  
6.0 bits  
5.5 bits  
5.2 bits (TDS 680B & 684B only)  
Effective Bits — TDS 520D & 724D  
Sample rate  
1 GS/s  
10 MS/s & HiRes  
Input frequency  
1 MHz – 9.2 divs  
490 MHz – 6.5 divs  
The chart on the right gives the typical  
effective bits for a sine wave adjusted  
to 9.2 divisions at 1 MHz, 50 mV/div @  
25° C.  
6.8 bits  
9.7 bits  
N/A  
6.5 bits  
Effective Bits — TDS 540D & 754D  
Sample rate  
2 GS/s  
10 MS/s & HiRes  
9.7 bits  
Input frequency  
1 MHz – 9.2 divs  
500 MHz  
The chart on the right gives the typical  
effective bits for a sine wave adjusted  
to 9.2 divisions at 1 MHz, 50 mV/div @  
25° C.  
6.8 bits  
6.8 bits  
N/A  
Effective Bits — TDS 580D, 784D & 794D  
Sample rate  
The chart on the right gives the typical  
effective bits for a sine wave adjusted  
to 9.2 divisions at 1 MHz, 50 mV/div @  
25° C.  
4 GS/s  
6.6 bits  
5.5 bits  
4.5 bits  
10 MS/s & HiRes  
Input frequency  
1 MHz – 9.2 divs  
9.7 bits  
N/A  
1 GHz – 6.5 divs  
2 GHz – 6.5 divs (TDS 794D only)  
250 MHz  
N/A  
Frequency Limit, Upper, 250 MHz  
Bandwidth Limited  
Frequency Limit, Upper, 20 MHz  
Bandwidth Limited  
20 MHz  
2–29  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Typical Characteristics  
Table 2–16: Typical characteristics — Signal acquisition system (cont.)  
Name  
Description  
3
Step Response Settling Errors  
Settling error (%) at  
Volts/Div setting  
± Step amplitude  
2 V  
20 ns 100 ns 20 ms  
0.5% 0.2% 0.1%  
1.0% 0.5% 0.2%  
1.0% 0.5% 0.2%  
0.5% 0.2% 0.1%  
1.0% 0.5% 0.2%  
1 mV/div – 100 mV/div  
101 mV/div – 1 V/div  
1.01 V/div – 10 V/div  
10 mV/div – 100 mV/div  
101 mV/div – 1 V/div  
20 V  
200 V  
1.5 V  
Step Response Settling Errors  
TDS 794D  
3 V  
1
The limits given are for the ambient temperature range of 0_C to +30_C. Reduce the upper bandwidth frequencies by  
5 MHz for the TDS 600B or by 2.5 MHz for the TDS 500D/700D for each _C above +30_C.  
2
The numbers given are valid 0_C to +30_C and will increase as the temperature increases due to the degradation in  
bandwidth. Rise time is calculated from the bandwidth. It is defined by the following formula:  
450  
BW (MHz)  
400  
BW (MHz)  
TDS 600B Rise Time (ns) +  
TDS 500Dń700D Rise Time (ns) +  
Note that if you measure rise time, you must take into account the rise time of the test equipment (signal source, etc.) that  
you use to provide the test signal. That is, the measured rise time (RT ) is determined by the instrument rise time (RT ) and  
m
i
the rise time of the test signal source (RTgen) according to the following formula:  
2
2
2
RTm + RTi ) RTgen  
3
The values given are the maximum absolute difference between the value at the end of a specified time interval after the  
midlevel crossing of the step and the value one second after the midlevel crossing of the step, expressed as a percentage  
of the step amplitude.  
Table 2–17: Typical characteristics — Triggering system  
Name  
Description  
Accuracy, Trigger Level or Threshold, DC Trigger source  
Accuracy  
Coupled  
Any Channel  
±((2% × | Setting – Net Offset |)  
+ (0.3 div × Volts/div Setting ) + Offset  
Accuracy)  
(for signals having rise and fall times  
20 ns)  
Auxiliary  
Not calibrated or specified  
Input, Auxiliary Trigger  
The input resistance is 1.5 kW; the maximum safe input voltage is  
±20 V (DC + peak AC).  
Acquisition mode  
Sample, Average  
1,2  
Trigger Position Error,  
Edge Triggering  
Trigger-position error  
±(1 Waveform Interval + 1 ns)  
Envelope  
±(2 Waveform Intervals + 1 ns)  
For all Time/Division ranges, the minimum holdoff is 250 ns and the maximum holdoff is 12  
seconds. The minimum resolution is 8 ns for settings 1.2 ms.  
Holdoff, Variable, Main Trigger  
2–30  
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Typical Characteristics  
Table 2–17: Typical characteristics — Triggering system (cont.)  
Name  
Description  
Lowest Frequency for Successful Operation 30 Hz  
of “Set Level to 50%” Function  
3
Sensitivity, Edge Trigger, Not DC Coupled  
Typical signal level for stable  
Trigger source  
triggering  
AC  
Same as the DC-coupled limits for frequen-  
cies above 60 Hz. Attenuates signals below  
60 Hz.  
Noise Reject  
Three times the DC-coupled limits.  
High Frequency Reject  
One and one-half times the DC-coupled  
limits from DC to 30 kHz. Attenuates signals  
above 30 kHz.  
Low Frequency Reject  
One and one-half times the DC-coupled  
limits for frequencies above 80 kHz.  
Attenuates signals below 80 kHz.  
Sensitivities, Logic Trigger and Events  
Delay, DC Coupled  
1.0 division, from DC to 500 MHz, at vertical settings > 10 mV/div and 1 V/div at the  
BNC input  
4
5
Sensitivities, Pulse-Type Runt Trigger  
1.0 division, from DC to 500 MHz, at vertical settings > 10 mV/div and 1 V/div at the  
BNC input  
Sensitivities, Pulse-Type Trigger Width and 1.0 division, at vertical settings > 10 mV/div and 1 V/div at the BNC input  
6
Glitch  
Width, Minimum Pulse and Rearm, for Logic For vertical settings > 10 mV/div and 1 V/div at the BNC input  
Triggering or Events Delay  
Minimum pulse  
width  
Minimum re-arm  
width  
Minimum time  
between channels  
7
Triggering type  
Logic  
Not Applicable  
1 ns  
1 ns  
2 ns  
Events Delay  
1 ns (for either + or Not Applicable  
– pulse widths)  
Width, Minimum Pulse and Rearm, for  
Pulse Triggering  
For vertical settings > 10 mV/div. and 3 1 V/div at the BNC input  
Minimum pulse  
width  
Pulse class  
Glitch  
Minimum re-arm width  
The minimum pulse widths and rearm  
widths and transition times required for  
Pulse-Type triggering.  
8
1 ns  
2 ns + 5% of Glitch Width Setting  
2 ns  
Runt  
2 ns  
Time-Qualified Runt 2 ns  
TDS 600B: 7 ns + 5% of Width Setting  
2 ns + 5% of Width Upper Limit Setting  
2 ns + 5% of Width Upper Limit Setting  
Width  
1 ns  
Timeout  
Slew Rate  
1 ns  
8
600 ps  
TDS 600B: 7 ns + 5% of Delta Time Setting  
2–31  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Typical Characteristics  
Table 2–17: Typical characteristics — Triggering system (cont.)  
Name  
Description  
Setup/Hold Time Violation Trigger,  
Minimum Clock Pulse Widths  
For vertical settings > 10 mV/div and 1 V/div at the BNC input,  
the minimum requirements are:  
Minimum Pulse Width,  
Clock High  
Minimum Pulse Width,  
Clock Low  
9
User Hold Time + 2.5 ns  
2 ns  
Input Signal Sync Amplitude for Stable  
Triggering, HDTV and FLEXFMT modes  
(Option 05 Video Trigger)  
All field selections: 0.6 division to 4 divisions  
Jitter for HDTV mode  
17 ns  
p-p  
(Option 05 Video Trigger)  
Sync Width Flex Format and HDTV  
modes (Option 05 Video Trigger)  
min. 400 ns  
Sync Duty Cycle, Flex Format and HDTV min. 50 to 1  
modes (Option 05 Video Trigger)  
Hum Rejection  
(Option 05 Video Trigger)  
NTSC and PAL: –20 dB without any trigger spec deterioration. Triggering will continue  
down to 0 dB with some performance deterioration.  
1
The trigger position errors are typically less than the values given here. These values are for triggering signals having a  
slew rate at the trigger point of 0.5 division/ns.  
2
3
The waveform interval (WI) is the time between the samples in the waveform record. Also, see the footnote for the  
characteristics Sample Rate Range or Interpolated Waveform Rates in Table 2–4, on page 2–12.  
The minimum sensitivity for obtaining a stable trigger. A stable trigger results in a uniform, regular display triggered on the  
selected slope. The trigger point must not switch between opposite slopes on the waveform, and the display must not  
“roll” across the screen on successive acquisitions. The TRIG’D LED stays constantly lighted when the SEC/DIV setting is  
2 ms or faster but may flash when the SEC/DIV setting is 10 ms or slower.  
4
The minimum signal levels required for stable logic or pulse triggering of an acquisition, or for stable counting of  
a DC-coupled, events-delay signal. Also, see the footnote for Sensitivity, Edge-Type Trigger, DC Coupled in this table.  
(Stable counting of events is counting that misses no events and produces no extra, phantom events).  
5
6
7
The minimum signal levels required for stable runt pulse triggering of an acquisition. Also, see the footnote for Sensitivity,  
Edge-Type Trigger, DC Coupled in this table. (Stable counting of events is counting that misses no events).  
The minimum signal levels required for stable pulse width or glitch triggering of an acquisition. Also, see the footnote for  
Sensitivity, Edge-Type Trigger, DC Coupled in this table. (Stable counting of events is counting that misses no events).  
For Logic, time between channels refers to the length of time a logic state derived from more than one channel must exist  
to be recognized. For Events, the time is the minimum time between a main and delayed event that will be recognized if  
more than one channel is used.  
8
9
For Slew Rate Triggering, this is the minimum transition time, defined to be the time the user’s signal spends between the  
two trigger threshold settings.  
User Hold Time is the number selected by the user in the Hold Time Menu.  
2–32  
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications  
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Download from Www.Somanuals.com. All Manuals Search And Download.  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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