Which of the following equations represents phase modulation?O a. Ac[1+μ. m(t)]cos(2π fet)O b. Acm(t) cos(2nfet)O c. Accos(2π(fc + fam(t))t)O d. Accos(2n fet + m(t))

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Which of the following equations represents phase modulation? O a. Ac[1+μ. m(t)]cos (2π fet) Acm(t)cos(2π fet) O b. Accos(2π(fc Accos(2n fet + m(t)) O c. O d. + fam(t))t)

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Frequency Modulation

Frequency modulation is a method or process of encoding the data of a specific signal (analog or digital) by modulating the carrier wave frequency according to the frequency of the modulated signal. Modulated signals are nothing more than information or data that should be conveyed after being converted into electronic signals.

Question

Which of the following equations represents phase modulation?
O a. Ac[1+μ. m(t)]cos(2π fet)
O b. Acm(t) cos(2nfet)
O c. Accos(2π(fc + fam(t))t)
O d. Accos(2n fet + m(t))

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