Chapter 3 3-53
Adjustments and Correction Constants
Source Spur Avoidance Tracking Adjustment
6. Observe the phase locked loop error voltage:
• If “spikes” are not visible on the analyzer display (see Figure 3-25): no adjustment is
necessary.
• If “spikes” are excessive (see Figure 3-25): adjust the CAV ADJ potentiometer (see
Figure 3-24) on the A3 source bias assembly to eliminate the spikes.
• If the “spikes” persist, refer to Chapter 7 , “Source Troubleshooting.”
Figure 3-25 Display of Acceptable versus Excessive Spikes
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