HP 8559A Operation And Service Manual page 113

MODEL 8559A
- -
5-17. POWER SUPPLY CHECKS AND ADJUSTMENTS
REFERENCE:
A7, A8, A9 Schematics
DESCRIPTION:
+
The
-
(dependent) - 12V power supply is then checked for proper dc output (with less than
the spectrum analyzer is tuned from 10 MHz to 3 GHz. The
width Control Assembly A9 and the VO (Varactor Offset) voltage on Marker Assembly A8 are then adjusted.
+
Both the
during the first five minutes after the spectrum analyzer is turned on (cold instrument).
EQUIPMENT:
Digital Voltmeter
Extender Cable
Cable Assembly, BNC (m) to Banana Plug
Adapter, BNC
ADJUSTMENTS
D l SPLAY
FIGURE 5-1. POWER SUPPLY CHECKS AND ADJUSTMENTS TEST SETUP
to Alligator Clips
50 mV variation) while
+
CABLE
ASSEMBLY
ADJUSTMENTS
HP 3456A
HP 5060-0303
HP 11001A
HP 8120-1292