PWM allows a low-frequency modulating signal to change the pulse width of a high-frequency signal called the
A) carrier
B) modulating signal
C) pulse-width signal
D) FM

Question

Quizplus · Accepted Answer

The term "carrier" is commonly used to refer to a high-frequency signal in the context of PWM. The modulating signal is the low-frequency signal that affects the pulse width of the carrier signal. The other options (B, C, D) are not accurate terms commonly associated with PWM.

PWM Allows a Low-Frequency Modulating Signal to Change the Pulse