Waveform Generator 19
Keysight InfiniiVision 3000T X-Series Oscilloscopes User's Guide 317
When the modulating signal is at its maximum amplitude, the output frequency
is the carrier signal frequency plus the deviation amount, and when the
modulating signal is at its minimum amplitude, the output frequency is the
carrier signal frequency minus the deviation amount.
The frequency deviation cannot be greater than the original carrier signal
frequency.
Also, the sum of the original carrier signal frequency and the frequency
deviation must be less than or equal to the maximum frequency for the selected
waveform generator function plus 100 kHz.
The following screen shows an FM modulation of a 100 kHz sine wave carrier
signal.
To set up Frequency-Shift Keying Modulation (FSK)
In the Waveform Generator Modulation Menu (under [Wave Gen] > Settings >
Modulation):
1 Press the Type softkey and turn the Entry knob to select Frequency-Shift Keying
Modulation (FSK).
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