An FM modulator has output where f d = 20 Hz/V. Assume that m(t) is the rectangular

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An FM modulator has output
х.) %3D 100 сos |2л f1+ 2лfa т(«)da

where f_d = 20 Hz/V. Assume that m(t) is the rectangular pulse m(t) = 4II [1/8(t - 4)]

(a) Sketch the phase deviation in radians.
(b) Sketch the frequency deviation in hertz.
(c) Determine the peak frequency deviation in hertz.
(d) Determine the peak phase deviation in radians.
(e) Determine the power at the modulator output.

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Principles of Communications Systems, Modulation and Noise

ISBN: 978-8126556793

7th edition

Authors: Rodger E. Ziemer, William H. Tranter

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Question Posted: Sep 15, 2018 10:27 AM

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An FM modulator has output where f d = 20 Hz/V. Assume that m(t) is the rectangular

Question:

х.) %3D 100 сos |2л f1+ 2лfa т(«)da

Step by Step Answer:

a The phase deviation is which is for 0 t 8 Thus t 0 t 0 t 160t 0 t 8 ...View the full answer

Principles of Communications Systems, Modulation and Noise

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