HP 4395A - Page 178

9. Receiver Gain Adjustment
The purpose of this procedure is to adjust the total gain of the receiver.
Note
HP VEE Adjustment Program is not required in this adjustment. Follow the
procedures below and adjust proper item using the internal adjustment test.
Required Equipment
Signal Generator ::: :::: ::::: :::: ::::: :::: ::::: :::: ::::: :::: ::::: :::: :::: HP 8642B/8644B/8663A
Power Meter ::::: :::: ::::: :::: ::::: :::: ::::: :::: :::: : HP 436A Opt. 022, HP 437B, or HP 438A
Power Sensor :::: ::::: :::: ::::: :::: ::::: :::: :::: ::::: :::: ::::: :::: ::::: :::: ::::: :::: ::: HP 8482A
Two-Way Power Splitter :::: :::: ::::: :::: ::::: :::: ::::: :::: :::: ::::: :::: ::::: :::: :::: HP 11667A
Type-N Cable,61cm ::: :::: ::::: :::: ::::: :::: :::: ::::: :::: :::: HP 11500B or part of HP 11851B
N(m)-N(m) adapter :::: ::::: :::: ::::: :::: ::::: :::: :::: ::::: :::: ::::: :::: ::::: :::: :: PN 1250-1475
Procedure
1. Turn the HP 4395A OFF.
2. To gain access to the adjustment components, remove the top cover of the HP 4395A.
3. Turn the HP 4395A ON.
4. Press 4
System
5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SERVICE TESTS ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ADJUSTMENT TESTS to display the internal adjustment
tests menu.
5. Press 4
6
5 , 4
7
5 or use 4
*
5 / 4
+
5 to select the internal adjustment test 67: A7 GAIN ADJ
.
6.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
EXECUTE TEST to run the test.
7. Connect the test equipment as shown in the Figure 5-12.
5-22 Adjustments