Using a signal to vary the pulse width of a rectangular wave without affecting its cycle time is called .
A) variable off-time modulation
B) pulse width modulation
C) power switch conduction
D) None of the above.

Question

Quizplus · Accepted Answer

Pulse Width Modulation (PWM) is the process of varying the width of the pulses in a pulse train without changing the pulse frequency or cycle time. This technique is widely used in power control and signal modulation applications.

Using a Signal to Vary the Pulse Width of a Rectangular