7) The output of an Amplitude Modulated (AM) is given as: y(t) = 4 cos(3800nt) +16 cos(4000nt) +4 cos(4200t) If the signal is expressed as: y(t) = A(1+ µcos(27 fmt)) cos(2n fet), then find { fm. fe}. Note that, fm is the bandwidth of the baseband signal while fe is the frequency of the carrier. a. fm = 100, fe = 1000 b. fm = 50, fe = 1000 c. fm = 100, fe= 2000 d. fm = 50, fe = 2000 b. С. d. 8) For the signal given in Q7, find the modulation index u and amplitude of the carrier A. a. µ= 0.5, A = 32 b. µ = 0.25, A = 16 c. u= 0.5, A = 16 d. µ= 0.5, A = 8 a.
7) The output of an Amplitude Modulated (AM) is given as: y(t) = 4 cos(3800nt) +16 cos(4000nt) +4 cos(4200t) If the signal is expressed as: y(t) = A(1+ µcos(27 fmt)) cos(2n fet), then find { fm. fe}. Note that, fm is the bandwidth of the baseband signal while fe is the frequency of the carrier. a. fm = 100, fe = 1000 b. fm = 50, fe = 1000 c. fm = 100, fe= 2000 d. fm = 50, fe = 2000 b. С. d. 8) For the signal given in Q7, find the modulation index u and amplitude of the carrier A. a. µ= 0.5, A = 32 b. µ = 0.25, A = 16 c. u= 0.5, A = 16 d. µ= 0.5, A = 8 a.
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Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:7)
The output of an Amplitude Modulated (AM) is given as:
y(t) = 4 cos(3800xt)+16 cos(4000nt) +4 cos(4200zt)
If the signal is expressed as: y(t) = A(1 + u cos(27 fmt)) cos(2n fet), then find
{fm, fe). Note that, fm is the bandwidth of the baseband signal while fe is the
frequency of the carrier.
a. fm = 100, fe = 1000
b. fm = 50, fe = 1000
c. fm = 100, fe = 2000
d. fm = 50, fe = 2000
b.
d.
8)
For the signal given in Q7, find the modulation index u and amplitude of the
carrier A.
a. u= 0.5, A = 32
b. u = 0.25, A = 16
c. µ= 0.5, A = 16
d. µ = 0.5, A = 8
a.
C.
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