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3
Features and Functions
Frequency Modulation (FM)
A modulated waveform consists of a carrier waveform and a
modulating waveform. In FM, the frequency of the carrier is varied by the
instantaneous voltage of the modulating waveform.
For more information on the fundamentals of Frequency Modulation, refer to
Chapter 7,
To Select FM Modulation
– The function generator will allow only one modulation mode to be enabled at a
– The function generator will not allow FM to be enabled at the same time that
– Front-Panel Operation: You must enable FM before setting up any of the other
– Remote Interface Operation: To avoid multiple waveform changes, enable FM
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"Tutorial".
time. For example, you cannot enable FM and AM at the same time. When you
enable FM, the previous modulation mode is turned off.
sweep or burst is enabled. When you enable FM, the sweep or burst mode is
turned off.
modulation parameters. Press
softkey. The FM waveform is output using the present settings for the carrier
frequency, modulating frequency, output amplitude, and offset voltage.
after you have set up the other modulation parameters.
FM:STATe {OFF|ON}
and then select "FM" using the Type
Keysight 33210A User's Guide
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