74
Chapter 3 Features and Functions
Amplitude Modulation (AM)
3
Modulating Waveform Shape
The function generator will accept an internal or external modulation
source for AM.
• 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
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.
Note:
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
.
• Front-Panel Operation: After enabling AM, press the Shape softkey.
• Remote Interface Operation:
AM:INTernal:FUNCtion {SINusoid|SQUare|RAMP|NRAMp|
TRIangle|NOISe|USER}
33210A users guide.book Page 74 Wednesday, July 16, 2008 11:16 AM
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