A Single Sideband Suppressed Carrier AM (SSB/SC AM) modulator system is applied to a signal x(t) whose ourier transform X(jw) is zero for w]>wM and assume the carrier frequency we is greater than @M. f let g(t) denotes the output of the system, assuming that only the upper sidebands are retained and let q(t) enote the output of a conversion system, assuming that only the lower sidebands are retrained. The conversion ystem shown below is proposed for converting g(t) into q(t). x(t) X(jw) 1 SSB-AM Modulator System (Carrier frequency= wc) g(t)- (a) WC A @c q(t)

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a) Sketch the spectrum of g(t)?

b) Sketch the spectrum at point (a) of the conversion system?

c) What should the parameter w0 be relative to wc?

d) What should be the value of passband gain A? 

-WM
A Single Sideband Suppressed Carrier AM (SSB/SC AM) modulator system is applied to a signal x(t) whose
Fourier transform X(jw) is zero for w]> wM and assume the carrier frequency we is greater than @M.
If let g(t) denotes the output of the system, assuming that only the upper sidebands are retained and let q(t)
denote the output of a conversion system, assuming that only the lower sidebands are retrained. The conversion
system shown below is proposed for converting g(t) into q(t).
x(t)
X(jw)
@M
(1)
SSB-AM
Modulator System
(Carrier frequency= wc)
Ta
g(t).
coswot
(a)
A
WC WC
Conversion system
q(t)
Transcribed Image Text:-WM A Single Sideband Suppressed Carrier AM (SSB/SC AM) modulator system is applied to a signal x(t) whose Fourier transform X(jw) is zero for w]> wM and assume the carrier frequency we is greater than @M. If let g(t) denotes the output of the system, assuming that only the upper sidebands are retained and let q(t) denote the output of a conversion system, assuming that only the lower sidebands are retrained. The conversion system shown below is proposed for converting g(t) into q(t). x(t) X(jw) @M (1) SSB-AM Modulator System (Carrier frequency= wc) Ta g(t). coswot (a) A WC WC Conversion system q(t)
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