6
Contents
Reducing Input Attenuation 44
Decreasing the Resolution Bandwidth 47
Using the Average Detector and Increased Sweep Time 50
Trace Averaging 52
4 Improving Frequency Resolution and Accuracy
Using a Frequency Counter to Improve Frequency Resolution and Accuracy 56
5 Tracking Drifting Signals
Measuring a Source Frequency Drift 58
Tracking a Signal 61
6 Making Distortion Measurements
Identifying Analyzer Generated Distortion 64
Third-Order Intermodulation Distortion 67
7 Measuring Noise
Measuring Signal-to-Noise 72
Measuring Noise Using the Noise Marker 74
Measuring Noise-Like Signals Using Band/Interval Density Markers 78
Measuring Noise-Like Signals Using the Channel Power Measurement 81
Measuring Signal-to-Noise of a Modulated Carrier 83
Improving Phase Noise Measurements by Subtracting Signal Analyzer
Noise 88
8 Making Time-Gated Measurements
Generating a Pulsed-RF FM Signal 94
Signal source setup 94
Analyzer setup 95
Digitizing oscilloscope setup 97
Connecting the Instruments to Make Time-Gated Measurements 99
Gated LO Measurement 100
Gated Video Measurement 104