Question

Determine the amplitude modulation ratio and frequency modulation ratio of a unipolar PWM switching Inverter. The...

Determine the amplitude modulation ratio and frequency modulation ratio of a unipolar
PWM switching Inverter. The triangle waveform has peak-to-peak voltage of 2 volts at a
frequency of 25 kHz and the control waveform is v(t) = 0.85 sin 377t.

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Answer #1

Frequency modulation ratio is the ratio of frequency of carrier signal to the frequency of reference signal( sinusoidal).

Amplitude modulation ratio is the ratio of amplitudes of reference sinusoidal signal to the carrier triangular signal.

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