Atec Agilent-8563E - Manual (Page 103)

Adjustments ESG Family Signal Generators
Pretune Calibration (ESG-AP and ESG-DP only)
5-6 Calibration Guide
Pretune Calibration (ESG-AP and ESG-DP only)
Description
This adjustment determines the YO offset and gain calibration constants that minimize
the YO phase lock error voltage. The phase lock error voltage is measured with the
internal analog bus and is minimized at both low and high YO frequencies by controlling
the YO pretune DAC. The YO pretune DAC settings are used to calculate the YO offset and
gain calibration constants.
Required Test Equipment
• HP/Agilent 53132A Option 050 Universal Counter
Procedure
Figure 5-3 Pretune Calibration Setup
1. Connect the equipment as shown above.
2. Preset all of the equipment.
3. Follow the instructions as they appear on the controller’s display.