Agilent Technologies ESA-E Series User And Programming Manual page 66

Making Modulation Analysis Measurements
Interpreting Measurement Results
4. Peak deviation of the amplitude modulating signal is easily
determined from
time graph. There are about 7 divisions of peak-to-peak amplitude
modulation at 3% per division, yielding 10.5% peak amplitude. This
approximates the actual 10% of amplitude modulation applied to
create this signal.
Figure 4-32 Zoomed Magnitude Error Display Showing AM Interference
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Figure 4-32, the zoomed magnitude error versus
Chapter 4