Low Band Adjustment - Agilent Technologies 83620A Service Manual

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4. On the synthesizer, press:
Pulse On/Off calar
MOD
5
or, for synthesizers with Option 002, instead press:
Pulse Menu Pulse On/Off calar
MOD
5
5. Set the spectrum analyzer marker to the peak of either 2nd sideband
(56 kHz away).
6. Press the marker to center frequency key (adjusts the 2nd sideband to the
center of the display).
7. On the spectrum analyzer, press:
Frequency pan:
8. Adjust calibration constant #330, Slow Sym High Band, for a minimum
reading on the spectrum analyzer. Press:
Adjust Menu Calib Menu
SERVICE
5
Use the rotary knob or arrow keys to select calibration constant #330.
Press
Modify Cal
constant.

Low Band Adjustment

Disregar if beyon your synthesizer's capability.
9. Reset the spectrum analyzer frequency span to 200 kHz.
10. Repeat this adjustment procedure at a frequency of 1 GHz and adjust
calibration constant #329 (Slow Sym Low Band) for a minimum reading
on the spectrum analyzer.
11. If this is the last calibration constant you will be adjusting, see
\Calibration Constants" to store the calibration constants as protected
data (in EEPROM).
Related Performance Tests
None
In Case of Difficulty
Refer to the
Troubleshooting
HP 8360
(asterisk on)
0 Hz
elect Cal
and use the rotary knob to adjust the calibration
Manual.
(asterisk on)
Adjustments
quare Wave ymmetry
3-113