Chapter 13 Signal Source RIGOL
MSO2000A/DS2000A User’s Guide 13-21
FM
FM (Frequency Modulation), namely the frequency of the carrier waveform changes
with that of the modulating waveform, as shown in the figure below.
Figure 13-10 Frequency Modulation
1. Select the Carrier Waveform
Press Setup1 to enter the waveform setting interface. Press Wave to select the
desired carrier.
Note: When “Pulse”, “DC” or “Noise” is selected, the modulation menu will be
hidden automatically.
2. Set the Carrier Parameters
After selecting the desired carrier, you can refer to the introduction in
“Parameter Setting Method” to set the carrier parameters (frequency,
amplitude, etc).
3. Select the Modulating Waveform
Press Modulation to open the source 1 modulation setting menu. Press Shape
to select the desired modulating waveform, including sine, square, ramp
waveform or noise.
4. Set the Modulation Frequency
Press Freq to set the frequency of the modulating waveform. The range is from
Modulating Waveform
Carrier Waveform
Modulated Waveform
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