Question: An FM modulator has output where f d = 20 Hz/V. Assume that m(t) is the rectangular pulse m(t) = 4II [1/8(t - 4)] (a)

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

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