106 Chapter 3
Making Measurements
Modulation Distortion Measurement
Figure 3-18 FM Modulation Distortion Measurement Result
Signal Under Test: RF Frequency: 1.25 GHz; Amplitude: 0.0 dBm;
FM Deviation: 100 kHz; FM Rate: 400 Hz; Modulation: On.
Set the N5531S FM De-emphasis to None.
Figure 3-19 PM Modulation Distortion Measurement Result
Signal Under Test:
RF Frequency: 1.25 GHz; Amplitude: –30.0 dBm;
PM Deviation: 150 rad; PM Rate: 400 Hz; Modulation: On.