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PWM
The modulated waveform consists of two parts: the carrier waveform and the
modulating waveform, the carrier waveform is only pulse. In PWM, the pulse
width of pulse varies with the instantaneous voltage of the modulating waveform.
The parameters for the FM are as shown in Figure 2- 38.
Figure 2- 38 Setting Interface of PWM Waveform Parameter
Press Mod
→
Pulse
→
PWM, to enter the following menu.
Frequency range:
2mHz~20kHz
Phase
Dev
Range from 0° ~ 360°.
Type PM
Phase
modulation
Shape
Sine
Square
Triangle
UpRamp
DnRamp
Noise
Arb
Choose the modulating waveform.
To change the carrier waveform parameter,
press Sine, Square, Ramp, Arb
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