Making Modulation Analysis Measurements
What You Will Find in This Chapter
What You Will Find in This Chapter
The Modulation Analysis Personality
Purpose
Measurement Method for a CDMA System
Making a CDMA Measurement
Interpreting Measurement Results
Baseband Filtering Errors
I/Q Gain Imbalance
I/Q Quadrature (Skew) Error
Symbol Rate Error
I/Q DC Offset Error
In-Channel Phase Modulation Interference
In-Channel Amplitude Modulation Interference
In-Channel Spurious Signal Interference
Measuring a Custom QPSK Format Signal
Other Customized Changes You Can Make
Problems Obtaining a Measurement
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Chapter 4