HP 83522A User Manual

5-24. ALC GAIN ADJUSTMENT (UPDATES)
NOTE
Complete adjustment of the leveling loop requires several pro-
cedures to be performed in the order prescribed, from Paragraph
5-20 through 5-24. Deviation from this routine may cause
improper leveling and/or
flatness problems.
REFERENCE:
Performance test:
8350A/B Paragraph 4-14.
Service Sheet: A4
DESCRIPTION:
A4R15 in the input leg of A4U9 adjusts the gain of the Main ALC Amplifier. A4R15 is adjusted
for maximum possible gain without producing oscillations.
EQUIPMENT
.........................................
Function Generator HP 3312A
...............................................
Oscilloscope HP 1740A
Detector ..................................................HP8473C
.................................
10 dB Attenuator
HP
8491A Option 010
UPDATES
SWEEP
OSCILI.ATOR 1 EXT AM
RF PLUG-IN
lodB
ATTENUATOR
I
FUNCT l ON
GENERA7 OR
Figure 5-25. ALC Gain Adjustment Test Setup
UPDATES APPLY TO ALL SERIALS

HP 83522A Specifications

General

Brand	HP
Model	83522A
Category	Inverter
Language	English