Agilent Technologies ESA-E Series User And Programming Manual page 65

3. The zoomed phase error graph is shown in
number of cycles can be accurately determined, the amplitude
modulating signal frequency can be calculated. Use the
Amplitude
determination. It may also be helpful to pause the trace using the
Meas Control
AM
In this example, Phase Error freq. = 1.1 cycles, number of symbols =
256, and symbol rate is 3.84 x 10
AM
Figure 4-31 Zoomed Phase Error Display Showing AM Interference
Chapter 4
keys to adjust the scaling, if necessary, to make this
key.
= Phase Error freq. / number of symbols x symbol rate
f
= 1.1/256 x 3.84 x 10
f
Making Modulation Analysis Measurements
Interpreting Measurement Results
Figure
6
6
, or about 16 kHz
4-31. If the
and
Span
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