Contents
7
Gated FFT Measurement 108
9 Measuring Digital Communications Signals
Channel Power Measurements 112
Occupied Bandwidth Measurements 114
Troubleshooting hints 115
Making Adjacent Channel Power (ACP) Measurements 116
Making Statistical Power Measurements (CCDF) 121
Making Burst Power Measurements 126
Spurious Emissions Measurements 132
Troubleshooting hints 134
Spectrum Emission Mask Measurements 135
Troubleshooting hints 136
10 Demodulating AM Signals
Measuring the Modulation Rate of an AM Signal 140
Measuring the Modulation Index of an AM Signal 144
11 IQ Analyzer Measurement
Capturing Wideband Signals for Further Analysis 148
Complex Spectrum Measurement 149
IQ Waveform (Time Domain) Measurement 151
12 Using Option BBA Baseband I/Q Inputs
Baseband I/Q measurements available for X-Series Signal Analyzers 156
Baseband I/Q measurement overview 157
13 Option EXM External Mixing
Using Option EXM with the Keysight 11970 Series Mixers. 160
Amplitude calibration 161
Loading conversion loss data for the PXA Signal Analyzer 161
Signal ID 166
Image shift 166
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