User Manual

Modulation Function 48
Function Description
Type PWM Pulse width modulation. The carrier is pulse.
Source Internal The source is internal.
External The source is external. Use the [Aux In/Out] connector at the rear panel.
Width Dev Set the width deviation.
Duty Dev Set the duty deviation.
Shape Sine Choose the modulating waveform.
Square
Triangle
UpRamp
DnRamp
Noise
Arb
PWM Freq Set the modulating waveform frequency. Frequency range: 1mHz~1MHz (internal source
only).
Figure 9.8 Setting Interface of PWM Modulation