Functions and Measurements
Demodulate the AM/FM signal
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Demodulate the AM/FM signal
The N9322C provide the AM/FM demodulation function.
Demodulating an AM Signal
The demodulation function allows you to demodulate and
hear signal information displayed on the analyzer.
Simply place a marker on a signal of interest, set the
analyzer in zero span, activate AM demodulation, turn the
speaker on, and then listen.
1 Press Preset. (With Preset Type of Factory)
2 Connect an antenna to the RF IN connector.
3 Select a frequency range on the analyzer. For example, the
frequency range for AM broadcasts in the United States is
550 to 1650 kHz:
Press Frequency > Start Freq > 550 > kHz > Stop Freq > 1650> kHz.
4 Place a marker on the signal of interest:
Press Peak Search > Next Right Pk or Next Left Pk
5 Set the frequency of interest to center frequency:
Press Marker > Marker To > Mkr -> Center.
6 Change the resolution bandwidth to 100 kHz:
Press BW > 100 > kHz.
7 Press Span > Zero Span
8 Press Sweep > Sweep Time > 10 s to set the sweep time.
8 Set the detector type and turn on AM demodulation:
Press Trace/Det > Detector > Sample.
Press Marker > Function > Demod
Press Demod Setting > Demod Type AM
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