GW Instek GSP-9300 - FM Analysis

GSP-9300 User Manual
138
FM Analysis
Description
When frequency modulation is turned on, the
input signal is centered on the carrier frequency
and the span is automatically set to zero-span.
Measurement
items
Freq. Deviation:
Current, Min, Max
Mod. Rate:
Current, Min, Max
Carrier Pwr:
Current, Min, Max
Carrier Freq Offset:
Current, Min, Max
SINAD:
Current, Min, Max
Operation:
configuration
1. Set the center frequency to the carrier frequency
(page 41).
2. Press
Measure
> Demod[F2]>FM Analysis[F2]>FM
Analysis[F1] and turn FM analysis on.
 Any other measurement mode will automatically be
disabled.
3. The display splits into two screens. The top
shows the FM waveform in the time domain.
The bottom screen shows the FM measurement.
FM modulation
measurements
FM waveform