Power Sweep - HP 83522A Service Notes

Model 83522A
ADJUSTMENTS
Adjustments
5-25. POWER SWEEP
REFERENCE:
Performance Test: 8350A Paragraph 4- 14.
Service Sheet: A5
DESCRIPTION:
A 10 dB/sweep power sweep mode is selected and the resultant is displayed on the 8755C
Swept Amplitude Analyzer. Output of the power sweep circuit is adjusted for the correct
sweep.
EQUIPMENT:
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Sweep Oscillator HP 8350A
....................................
Swept Amplitude Analyzer.
HP 8755ClHP 182T
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Detector. HP 11664A
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10 dB Attenuator.
HP 8491A Option 010
PROCEDURE:
NOTE
ALC gain adju-atments (paragraph 5-24) must be checked before power
sweep adjustment are made.
NOTE
This procedure assumes that A3S1 is set to the factory-set position (Table
5-6), and at the 8350A Sweep Oscillator, 27.8 kHz square wave modulation
is selected.
1. Connect equipment as shown in Figure 5-27. Select 8350A
fli,fa&n
.
Figure 5-27. Power Sweep Test Setup
SWEPT
SWEEP R F AMPLITUDE
OSCILLATOR PLUG-IN ANALYZER
/ /
\
HORlZ
INPUT
-
0 0 -
1111 1 1111
1111 1111
* w e
0 0.0
I
oom
Q.?.
p .
- 0
D O 0 0 0
- m , " , " . Q
ooo
OF
s :I:::
b ~ ~ b
. o n on
BQO
m ooo
1
I
SWEEP
OUTPUT
RF
OUTPUT
10
dB
ATTENUATOR DETECTOR