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Frequency Modulation (FM)
To Select FM
U2761A User's Guide
A modulated waveform consists of a carrier waveform and a
modulating waveform. Below shows an example of the FM
waveform. In FM, the frequency of the carrier is varied by
the instantaneous voltage of the modulating waveform. The
variation in frequency of the modulated waveform from the
carrier frequency is called the frequency deviation.
FM deviation
Figure 2-17 FM waveform
The U2761A allows only one modulation mode to be enabled
at a time. The U2761A does not allow FM to be enabled at
the same time that sweep is enabled.
Modulating frequency
Features and Functions
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