Source Spur Avoidance Tracking Adjustment - HP 8753D Option 011 Service Manual

Source Spur Avoidance Tracking Adjustment

Required Equipment and Tools
TORX screwdriver T-15
BNC alligator clip adapter
BNC to BNC cable
Antistatic wrist strap
Antistatic wrist strap cord
Static-control table mat and earth ground wire
Analyzer warm-up time:
This adjustment optimizes tracking between the YO (YIG oscillator) and the cavity oscillator
when they are frequency o set to avoid spurs. Optimizing YO-cavity oscillator tracking
reduces potential phase-locked loop problems.
1. Remove the upper-rear corner bumpers and top cover, using a torx screwdriver.
2. Mate the adapter to the BNC cable and connect the BNC connector end to AUX IN UT
on the analyzer rear panel. Connect the BNC center conductor alligator-clip to A11 T 10
(labeled ERR); the shield clip to A11 T 1 (GND) as shown in Figure 3-25.
Figure A11CAV here.
Figure 3-25. Location of A11 Test Points and A3 CAV A J Adjustments
3-54 Adjustments and Correction Constants
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0 minutes.
H /N 8120-1292
H /N 8120-1840
H /N 9300-1367
H /N 9300-0980
H /N 9300-0797
RAFT
3/21/106 15:11