2 Select PWM. Press Mod key, select type as PWM. 3 Set the width deviation. Press the Deviation softkey and set the value to 20% using the numeric keypad or the knob and cursor keys. 4 Set the modulating frequency. Press the PWM Freq softkey and then set the value to 5 Hz using the numeric keypad or the knob and cursor keys. 5 Select the modulating waveform shape. Press the Shape softkey to select the shape of the modulating waveform. For this example, select a sine wave.
At this point, the function generator outputs a PWM waveform with the specified modulation parameters (if the output is enabled).
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