Delta Electronics 4886 User Manual

LA2-1-1025-33  
4886  
Part Number  
Amplifier Name  
Revision 0.a Release Date April 2008  
Revision Notes Initial release  
Technical Specifications Summary  
Frequency Range: 1 - 1025 MHz  
Gain:  
33dB  
P1dB:  
Class:  
Supply Voltage:  
2 Watts CW  
A
28 V DC  
Efficiency:  
Temperature Range:  
Max VSWR:  
12%  
0 to 50°C  
10:1  
Amplifier General Description  
This ultra broadband class A amplifier operates from below 1 MHz to over 1 GHz. Using all gold  
metallized LDMOS transistors and a stable design, this compact, high performance laboratory amplifier  
will find use in many applications.  
The LA2-1-1025-33 is offered as a standalone unit requiring the customer to mount to a modest  
heat sink, or we offer this with a heat sink. A disable line is option.  
Amplifier Picture  
Phone +1.775 DELTA RF [775 335 8273]  
Delta RF Technology, Inc.  
Fax +1.775 DELTA FX [775 335 8239]  
H i g h P o w e r R F A m p l i fi e r s a n d A c c e s s o r i e s  
350 South Rock Boulevard Reno NV 89502 USA  
LA2-1-1025-33  
4886  
Mechanical Specifications  
Page Number 3  
LA2-1-1025-33  
4886  
Graphs and Charts  
Gain 2W  
P1dB - Watts  
40  
35  
30  
25  
20  
15  
10  
5
3.5  
3
2.5  
2
1.5  
1
0.5  
0
0
0
200  
400  
600  
Frequency - MHz  
800  
1000  
0
200  
400  
600  
800  
1000  
Frequency - MHz  
Graph 1. Gain, 2W  
Graph 2. P1dB  
Gain 2W  
Harmonics  
40  
35  
30  
25  
20  
15  
10  
5
60  
50  
40  
30  
20  
10  
0
F2 Second Harmonic  
F3 Third Harmonic  
0
200  
400  
600  
800  
1000  
0
0
200  
400  
600  
800  
1000  
Frequency - MHz  
Frequency - MHz  
Graph 3. Gain, 1W  
Graph 4. Harmonic Performance  
All data taken at +28VDC  
Page Number 4  
LA2-1-1025-33  
4886  
Integration and Operating Instructions  
Attach amplifier to heatsink using thin layer of thermal compound. The amplifier will produce approximately 20W of heat, so a  
medium size heatsink will be adequate - a heatsink with approximate dimensions 2 x the area of the lab amp and approx 1.0”  
deep. A smaller heatsink may be used if any airflow is used.  
Attach RF Input and RF Output using SMA Female connectors and tighten. Install ground wire and Vsup using solder connec-  
tions - make sure to attach positive wire to Vsup terminal. If optional disable is ordered, install using disable terminal on input  
side of amplifier.  
To operate, apply Vsup and amplifier is ready to operate.  
Page Number 5  
LA2-1-1025-33  
4886  
Ordering Information  
Ordering Information:  
Order Code  
Description  
DRFT Reference  
LA2-1-1025-33  
2W Broadband Laboratory amplifier module  
4886  
Options  
-A12  
-A13  
-A14  
-T2  
Heat Sink Option  
0202  
0203  
0204  
0271  
0272  
Heat Sink Option with DC Fan, pre wired  
Ruggedized for vibration  
Extended Burn In  
-T3  
Extended Data Collection  
Standard Pallet Options:  
SMA Female Connectors, Input and Output. Stainless Body, Gold Center pin, 4-hole SMA bolted to pallet amplifier edge through bottom two holes located at amplifiers RF IN and RF OUT  
locations. All stainless steel hardware.  
Enclosure- all aluminum machined enclosure available for most pallet amplifiers. Alodyned aluminum, alloy 6061-T6. SMA Female input and output RF connectors. Supply voltage and ground  
through solder / feedthrough connections. Module must be bolted to appropriate heatsink.  
Heat Sink - aluminum extruded heat sink, black anodized. Pallet amplifier or module will be bolted to heatsink. Customer will be required to provide adequate airflow.  
Heat sink with fan - aluminum extruded heat sink as above, with included fan bolted to push air through the heat sink. Depending on heat requirements, a second fan may also be provided on  
the output of the unit.  
Ruggedized - all screws have threadlocking compound applied, and all flying components are staked and attached to base. Designed to withstand MIL-STD-810E 514.4 Category 8.  
Testing Options:  
Standard - includes power test and brief burn - in under laboratory conditions. Printed test report gives graph of Gain and Input Return Loss at rated P1dB and Voltage Conditions. Report  
shows pass/fail critera. All amplifiers include this test.  
Extended burn in - 8-hour burn in at P1dB with standard test run at completion. Unit is monitored during test and any discrepancy reported. Standard test data is included.  
Extended data collection - Standard data is run and included. Detailed data is taken point by point giving the customer 25 - 70 frequency points, depending on the amplifier model. For each  
frequency point, data is generated to include gain, input power, input return loss, current, second harmonic, third harmonic, efficiency, audio distortion.  
Other tests available - Vibration, Temp cycling, Shock. Please inquire.  
The specifications contained herein are subject to change without notice. Delta RF Technology, Inc. assumes no liability for the use of this information.  
This data sheet and contents are the property of Delta RF Technology, Inc. © Delta RF Technology, Inc. 2008.  
Page Number 6  

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