Agilent 87421A/87422A
Power Supply
Product Overview
• Designed specifically for Agilent Technologies
microwave system amplifiers
• Bias cable permits remote placement
• Compact size for easy system integration
The Agilent 87421A and 87422A power supplies
are universal input, dc switching power supplies
designed to provide the bias voltages needed to
operate Agilent microwave system amplifiers.
The 87422A is a 90 watt, 15V dc power supply
designed to power the Agilent 83020A microwave
system power amplifier. One additional 12V dc
output is provided to power a preamp such as
the 83006A or 83017A.
These compact power supplies are ideal for inte-
gration into a system or for use on a benchtop.
The 2 meter dc bias cable permits the amplifier
to be remotely located, allowing it to be placed
out of the way or where space is not critical.
Included with the power supply are the necessary
2 meter cables to connect to the amplifier.
The 87421A may also be used to provide bias volt-
ages for the Agilent 83440C high speed lightwave
converter. Using the 83440-60009 lightwave con-
verter power supply adapter, the 87421A becomes
a compact, convenient power supply for use with
the lightwave converter.
The 87421A is a 25 watt, 12V dc power supply
designed to power the Agilent 83006A, 83017A,
83018A, and 87415A microwave system amplifiers.
A 2 meter cable is included for direct connection
to the amplifier.
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cable. For help with special applications requiring
longer cables contact your Agilent call center listed
on the back page.
Other product and operating information
Operation of the power supplies involves connect-
ing the power supplies output to the amplifier dc
input with the cable provided. The power supplies
include a power cord with protective ground for
connection to 90–240 VAC.
The power supplies have a fuse located next to
the IEC appliance inlet. If it is necessary to replace
the fuse, disconnect the power supply from both
AC power and the amplifier. Using a slotted screw-
driver, open the fuse cover and replace the fuse.
Mounting holes are provided as shown in the out-
line drawings. The power supplies may be mounted
in any orientation with user supplied hardware.
The power supplies contain no user serviceable
parts (with the exception of the fuse). If service is
required, please contact your Agilent sales office
or nearest Agilent Service Center.
To ensure continued compliance to product safety
and EMC specifications, connect the power supplies
to an amplifier only with the cable provided. Do
not attempt to modify or extend the dc output
The Agilent 87421A power supply provides the dc power needed to bias the 83006A, 83017A, and 83018A. The power
supply comes with a 2 meter long cable to allow easy connection between the amplifier and the power supply.
Dimensions in millimeters and (inches).
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Other instruments and accessories
83006A Microwave System Amplifier,
0.01 to 26.5 GHz
83017A Microwave System Amplifier,
0.5 to 26.5 GHz
83018A Microwave System Amplifier,
2 to 26.5 GHz
83020A Microwave System Power Amplifier,
2 to 26.5 GHz
Ordering information
Agilent 87421A power supply
Includes power supply, AC power cord, and part
number 83006-60005, which is a 2 meter cable with a
3-pin connector on one end and a D-subminiature
connector on the other end for direct connection to
the Agilent 83006A, 83017A, 83018A, and 87415A
microwave system amplifiers.
87415A Microwave System Amplifier,
2 to 8 GHz
83440C High Speed Lightwave Converter,
dc to 20 GHz, 1000 to 1600 mm
83440-60009 Lightwave Converter Power
Supply Adapter
Agilent 87422A power supply
Includes power supply and part number 83020-60001,
which is a 2 meter cable with 15-pin connectors for
direct connection to the Agilent 83020A amplifier.
One additional dc output is provided to supply power
to a preamplifier such as the 83006A or 83017A.
The Agilent 87422A power supply provides the dc power needed to bias the 83020A. DC cables shown above shipped
with power supply. Dimensions in millimeters and (inches).
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Safety and Regulatory Information
Manufacturer’s Declaration
This is to certify that this product meets the requirements specified in IEC 1010 and
IEC Publication 348, Safety Requirements for Electronic Measuring Apparatus. It has
been supplied in a safe condition for indoor use only and may occasionally be subjected
to temperatures between +5 and –10 Celsius without degradation of its safety. The
present data sheet contains some information and warnings which have to be followed
by the user to ensure safe operation and to retain the product in safe condition. The
main plug shall be inserted in a socket outlet provided with a protective earth contact.
The protective action must not be negated by the use of an extension cord without
a protective conductor. Warning: Any interruption of the protective conductor inside
or outside the product or disconnection of the protective earth terminal is likely to
make the equipment dangerous. Intentional interruption is prohibited. This product
has been designed to be safe under the following environmental conditions: indoor use;
altitude up to 2,000 meters; temperature range expanded to include 0 to +55 Celsius;
maximum relative humidity 80% up to 31 degrees Celsius decreasing linearly to 50%
relative humidity at 40 degrees Celsius; mains supply voltage fluctuations not to exceed
10% of nominal voltage; transient over voltage category II for the main ac supply
voltage; pollution degree two. If the equipment is used in a manner not specified by
Agilent Technologies, the protection provided by the equipment may be impaired.
Model 87422A
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DECLARATION OF CONFORMITY
according to ISO/IEC Guide 22 and CEN/CENELEC EN 45014
Manufacturer’s Name:
Agilent Technologies, Inc.
Manufacturer’s Address:
1400 Fountaingrove Parkway
Santa Rosa, CA 95403-1799
USA
Declares that the products
Product Name:
Microwave System Amplifiers
Model Numbers:
83006A, 83017A, 83018A, 83020A, 83050A,
83051A, 87421A, and 87422A
Product Options:
This declaration covers all options of the
above products.
Conform to the following product specifications:
EMC: IEC 61326:1997+A1:1998+A2:2000/ EN 61326:1997+A1:1998+A2:2001
Standard
Limit
CISPR 11:1997 / EN 55011:1998/A-1999
IEC 61000-4-2:1995+A1998 / EN 61000-4-2:1995
IEC 61000-4-3:1995 / EN 61000-4-3:1995
IEC 61000-4-4:1995 / EN 61000-4-4:1995
IEC 61000-4-5:1995 / EN 61000-4-5:1996
IEC 61000-4-6:1996 / EN 61000-4-6:1998
IEC 61000-4-11:1994 / EN 61000-4-11:1998
Group 1, Class A
4 kV CD, 8 kV AD
3 V/m, 80 - 1000 MHz
0.5 kV sig., 1 kV power
0.5 kV L-L, 1 kV L-G
3 V, 0.15 – 80 MHz
1 cycle, 100%
Supplementary Information:
The products herewith comply with the requirements of the Low Voltage Directive 73/23/EEC
and the EMC Directive 89/336/EEC and carry the CE-marking accordingly.
Santa Rosa, CA, USA
25 November, 2002
Greg Pfeiffer/Quality Engineering Manager
For further information, please contact your local Agilent Technologies sales office, agent or distributor.
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Product specifications and descriptions in this document
subject to change without notice.
© Agilent Technologies, Inc. 1997, 2000, 2002
Printed in USA, November 26, 2002
5091-4292E
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