A periodic message signal m(t) as shown in Figure P5.1-3 is transmitted as an angle modulated signal. The modulated signal has wc = 2pi*103 rad/s. Let the signal bandwidth of m(t) be approximated by its own fifth harmonic frequency. a)To generate an FM signal with kf = 20pi, sketch the frequency-modulated signal sFM(t) in the time domain. b)If a PM signal is generated for m(t) with kp = pi/2, sketch the phase-modulated signal sPM(t) in the time domain.
A periodic message signal m(t) as shown in Figure P5.1-3 is transmitted as an angle modulated signal. The modulated signal has wc = 2pi*103 rad/s. Let the signal bandwidth of m(t) be approximated by its own fifth harmonic frequency. a)To generate an FM signal with kf = 20pi, sketch the frequency-modulated signal sFM(t) in the time domain. b)If a PM signal is generated for m(t) with kp = pi/2, sketch the phase-modulated signal sPM(t) in the time domain.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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A periodic message signal m(t) as shown in Figure P5.1-3 is transmitted as an angle modulated signal.
The modulated signal has wc = 2pi*103 rad/s. Let the signal bandwidth of m(t) be approximated by its own fifth harmonic frequency.
a)To generate an FM signal with kf = 20pi, sketch the frequency-modulated signal sFM(t) in the time domain.
b)If a PM signal is generated for m(t) with kp = pi/2, sketch the phase-modulated signal sPM(t) in the time domain.
Transcribed Image Text:Figure P.5.1-3
015
--0.05
0.09
0.1
0.2
0.25
0.3
0.35
-3
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