3 Functions and Measurements
64 N9342C/43C/44C User’s Guide
6 Set the resolution bandwidth to capture the full
bandwidth of the FM signal. To calculate the
required bandwidth use
RBW =((2 x Frequency Deviation)+(2 x Modulation
Rate))
In our case the RBW should be: (2 x 10 kHz) +
(2 x 1 kHz) = 22 kHz With 1- 3- 10 sequence
RBW selections, choose the next highest RBW of
30 kHz:
Press [BW] > 30 > {kHz}.
7 Turn on the FM demodulator:
Press [Marker] > {Function} > {Demod}
{Demod Setting} > {Demod Type FM}.
Listen to the FM audio signal.
Press {Speaker Vol}, rotate the knob.
Alternatively, you can also use the headphone
jack.
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