3-2 HP 8970B Option 020 Service Manual Supplement
Adjustments
General
General
There are 2 adjustments that need to be made:
1. Input power detector gain and offset.
2. The 600 MHz SAW oscillator frequency adjustment.
Input power detector Gain and Offset Adjustment
Follow the adjustment procedure in section 5-13 of the Adjustments Chapter in the 8970B
Service Manual with the following exceptions.
Figure 3-1: Input detector gain and offset adjustment
1. The input level must be -21 dBm ± 0.1 dB.
2. R32 is the offset adjustment.
3. R26 is the gain adjustment.
R32
R26
J1
RF Input
Assembly
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