Figure 24. A4A2 board.

Calibration Procedure For Spectrum Analyzer, Model 8566B Page Navigation
41

TB 9-6625-2340-24

(35) Press TI SCALE LOG key.

(36) Connect TI RF INPUT to synthesizer/level generator 50

OUTPUT.

(37) Set synthesizer/level generator for an output frequency of 7.6 MHz at an output

level of 5 dBm.

(38) Adjust A4A3C55 (fig. 25) for a maximum multimeter indication.

NOTE

If A4A3C55 is at an extreme of its adjustment range (fully

meshed or unmeshed) then TI must be repaired.

(39) Short A4A3TP7 to A4A3TP8 (fig. 25) and record multimeter indication.

(40) Remove short from between A4A3TP7 and A4A3TP8.