Yo Loop Gain - Agilent Technologies 83620A Service Manual

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8. YO Loop Gain

Description and Procedure
No test equipment is required for this procedure.
1. urn the synthesizer on and press
at least one hour.
2. Select the assembly adjustment menu. Press:
Adjust Menu AssyAdj Menu
SERVICE
5
3. Select the A5 loop gain adjustment,
4. On the A5 assembly, set all ve switches on A5S1 to the closed position.
(See Figure 3-13.)
Figure 3-13. witch and Adjustment Locations
5. Adjust A53R80 (see Figure 3-13) to center the \needle" on the display.
6. Select
.
Done
7. Set all A5 switches to open and select
HP 8360
. Let the instrument warm up for
PRESET
5
.
A5 Loop Gain
.
Done
Adjustments
YO Loop Gain
3-29