In the SPWM, the modulating signal is___________?
Correct answer: B. Sinusoidal
- A. Square
- B. Sinusoidal
- C. Triangular
- D. Saw - tooth
Explanation
Sinusoidal PWM compares a sinusoidal modulating reference with a high-frequency triangular carrier. The reference determines the fundamental output waveform, while the carrier sets the switching instants.
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