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a)Both the frequency and phase of the FM modulated carrier signal change depending on the information signal. b)The spectrum of the angle modulated signal is similar to the spectrum of the m(t) signal, as is the spectrum of the analog modulated signal. c)The instantaneous frequency of the angle expression

a)Both the frequency and phase of the FM modulated carrier signal change depending on the information signal. b)The spectrum of the angle modulated signal is similar to the spectrum of the m(t) signal, as is the spectrum of the analog modulated signal. c)The instantaneous frequency of the angle expression

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Which of the following is incorrect?

a)Both the frequency and phase of the FM modulated carrier signal change depending on the information signal.

b)The spectrum of the angle modulated signal is similar to the spectrum of the m(t) signal, as is the spectrum of the analog modulated signal.

c)The instantaneous frequency of the angle expression q(t)=2000πt+π/2.u(t-3) is fi(t)=1000+π/4.δ(t-3).

d)The angle modulated signal is obtained by linearly changing the phase or frequency of the carrier with the information signal.

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