Chapter 3 135
Manual Adjustment Procedures
6. Calibrator Amplitude Adjustment
Procedure
NOTE The spectrum analyzer should be allowed to warm up for at least
30 minutes before performing this adjustment.
1. Place the spectrum analyzer in the service position shown in Figure
3-15 on page 134. Prop the A14 frequency control board assembly in
the service position.
2. Zero and calibrate the 8902A/8482A combination in log display
mode. Enter the power sensor 300 MHz cal factor into the 8902A.
3. Connect the 8482A through an adapter directly to the spectrum
analyzer CAL OUTPUT connector.
4. Adjust A15R561 CAL AMPTD for a −10.00 dBm reading on the
8902A display.
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