1.

How many voltage levels are present in a PWM signal?(a) 0(b) 1(c) 2(d) 3This question was addressed to me by my college professor while I was bunking the class.This key question is from Pulse Modulation topic in chapter Digital Communication Techniques of Avionics

Answer»

Correct answer is (c) 2

Explanation: The amplitude of PWM is binary in nature meaning that it has only two levels. The amplitude of the modulating SIGNALS varies the width of the PULSES GENERATED.



Discussion

No Comment Found

Related InterviewSolutions