Chapter 12 Signal Source RIGOL
DS1000Z User’s Guide
Modulation
The signal source builted-in the DS2000A series oscilloscope supports AM and FM
modulations. The modulated waveform consists of carrier waveform and modulating
waveform. The carrier waveform can be the signal outputted from the signal source
and the modulating waveform can be sine, square, ramp and noise signal which
builted-in the signal source.
Press Modulation to turn the modulation function on or off.
1. To select the modulation type
Press Mod.Type set the modulation type of the current signal.
Amplitude modulation: the amplitude of the carrier waveform varies with the
amplitude of the modulating waveform.
After AM is selected, you can set the frequence of the modulating waveform
and the AM modulation depth:
Frequencey: press Frequency to set the frequence of the modulating
waveform and the range available is from 1 Hz to 50 kHz. For the setting
method, please refer to the instruction of the “
To set frequency”.
Modulation depth: modulation depth is expressed as a percentage that
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