Contents9Measuring a complex/unknown signal 205“Quick Rules” for making time-gated measurements 210Using the Edge Mode or Level Mode for triggering 213Noise measurements using Time Gating 214AM and FM Demodulation Concepts 215Demodulating an AM signal using the analyzer as a fixed tuned receiver(Time-Domain) 215Demodulating an FM signal using the analyzer as a fixed tuned receiver(Time-Domain) 215IQ Analysis Concepts 216Purpose 216Complex Spectrum measurement 216IQ Waveform Measurement 217Spurious Emissions Measurement Concepts 218Purpose 218Measurement method 218Spectrum Emission Mask Measurement Concepts 219Purpose 219Measurement method 219Occupied Bandwidth Measurement Concepts 220Purpose 220Measurement method 220Baseband I/Q Inputs (Option BBA) Measurement Concepts 221What are Baseband I/Q inputs? 221What are Baseband I/Q signals? 221Why make measurements at baseband? 222Selecting input probes for baseband measurements 223Baseband I/Q measurement views 224
