Agilent Technologies DSO-X 4022A, User Manual

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Waveform Generator
17
Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide 303
To set up Amplitude Modulation (AM)
In the Waveform Generator Modulation Menu (under [Wave Gen] > Settings >
Modulation
):
1
Press the
Type
softkey and turn the Entry knob to select
Amplitude
Modulation (AM) .
2 Press the Waveform softkey and turn the Entry knob to select the shape
of the modulating signal:
•
Sine
•
Square
• Ramp
When the Ramp shape is selected, a Symmetry softkey appears so that
you can specify the amount of time per cycle that the ramp waveform is
rising.
3 Press the AM Freq softkey and turn the Entry knob to specify the
frequency of the modulating signal.
4
Press the
AM Depth
softkey and turn the Entry knob to specify the
amount of amplitude modulation.
AM Depth refers to the portion of the amplitude range that will be used
by the modulation. For example, a depth setting of 80% causes the
output amplitude to vary from 10% to 90% (90% – 10% = 80%) of the
original amplitude as the modulating signal goes from its minimum to
maximum amplitude.
The following screen shows an AM modulation of a 100 kHz sine wave
carrier signal.