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I/q gain/offset/quadrature calibration, Description, Required test equipment – Atec Agilent-8563E User Manual

Page 138: Procedure

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ESG Family Signal Generators

Adjustments

I/Q Gain/Offset/Quadrature Calibration (ESG-D only)

Calibration Guide

5-41

I/Q Gain/Offset/Quadrature Calibration (ESG-D only)

Description

This test determines the required I/Q gain, offset, and quadrature calibration
constants/arrays that will minimize the I/Q modulation imperfections on the output board.
Several calibration constants are determined and then the I/Q gain, offset, and quadrature
DACs are adjusted over frequency to minimize the static vector modulation errors. The
results are stored in the signal generator as calibration arrays.

Required Test Equipment

• None

Procedure

1. Preset the signal generator.

2. Follow the instructions as they appear on the controller’s display.

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