222 Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide
17 Waveform Generator
To add noise to the waveform generator output
1 If the Waveform Generator Menu is not currently displayed on the
oscilloscope's softkeys, press the [Wave Gen] key.
2 In the Waveform Generator Menu, press the Settings softkey.
3 In the Waveform Generator Settings Menu, press the Add Noise softkey and turn
the Entry knob to select the amount of white noise to add to the waveform
generator output.
Note that adding noise affects edge triggering on the waveform generator source
(see “Edge Trigger" on page 127) as well as the waveform generator sync pulse
output signal (which can be sent to TRIG OUT, see “Setting the Rear Panel TRIG
OUT Source" on page 256). This is because the trigger comparator is located after
the noise source.
To add modulation to the waveform generator output
Modulation is where an original carrier signal is modified according to the
amplitude of a second modulating signal. The modulation type (AM, FM, or FSK)
specifies how the carrier signal is modified.
To enable and set up modulation for the waveform generator output:
1 If the Waveform Generator Menu is not currently displayed on the
oscilloscope's softkeys, press the [Wave Gen] key.
2 In the Waveform Generator Menu, press the Settings softkey.
3 In the Waveform Generator Settings Menu, press the Modulation softkey.
4 In the Waveform Generator Modulation Menu:
• Press the Modulation softkey to enable or disable modulated waveform
generator output.
You can enable modulation for all waveform generator function types except
pulse, DC, and noise.
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