Features and Functions 3
Keysight 33210A User’s Guide 95
Modulating Waveform Shape
The function generator will accept an internal or external modulation source for
FM.
– Modulating waveform shape (internal source): Sine, Square, Ramp,
Negative
Ramp, Triangle, Noise, or Arb waveform.
The default is Sine.
– Square has 50% duty cycle.
– Ramp has 100% symmetry.
– Triangle has 50% symmetry.
– Negative ramp has 0% symmetry.
– You can use noise as the modulating waveshape, but you cannot use use
ramp, pulse, noise, dc, or arbitrary as the carrier waveform.
– If you select an arbitrary waveform as the modulating waveshape, the
waveform is automatically limited to 4K points. Extra waveform points are
removed using decimation.
– Front-Panel Operation: After enabling FM, press the Shape softkey.
– Remote Interface Operation:
FM:INTernal:FUNCtion {SINusoid|SQUare|RAMP|NRAMp|TRIangle|
NOISe|USER}
Arbitrary waveforms are optionally available with the 33210A (Option 002). To
upgrade your 33210A to include arbitrary waveform functionality, go to
www.keysight.com/find/33210U.
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