Specifications

ESG Family Signal Generators Adjustments
Baseband Generator I/Q Gain and Offset Adjustment (ESG-A and ESG-D Options UN3 and UN4 only)
Calibration Guide 5-43
Baseband Generator I/Q Gain and Offset Adjustment
(ESG-A and ESG-D Options UN3 and UN4 only)
Description
This adjustment uses a DVM to set the baseband generator’s four potentiometers (I Gain, I
Offset, Q Gain, and Q Offset) to minimize the dc offset and set the AC voltage level to
0.5 V
pk
(into 50 ohms) at the rear-panel I and Q output connectors.
Required Test Equipment
• HP/Agilent 3458A Digital Multimeter
• HP/Agilent 10100C 50Ω Feed Through
Procedure
Figure 5-35 Baseband Generator I/Q Gain and Offset Adjustment 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. See Figure 5-36 on
page 5-44 for the location of the adjustments.