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(a) Show that the following scheme works for converting signals from passband to complex baseband: LPF s1(t) š(t)– V2 cos 27 fet LPF sQ(t) -V2 sin 27 fet (b) Find the complex baseband representation of the real-valued passband signal: 5(t) = g(t) cos(27 fet + ) + f(t) sin(2# fet + ) where g(t) and f(t) are real-valued signals with bandwidth W that is much smaller than fe

(a) Show that the following scheme works for converting signals from passband to complex baseband: LPF s1(t) š(t)– V2 cos 27 fet LPF sQ(t) -V2 sin 27 fet (b) Find the complex baseband representation of the real-valued passband signal: 5(t) = g(t) cos(27 fet + ) + f(t) sin(2# fet + ) where g(t) and f(t) are real-valued signals with bandwidth W that is much smaller than fe

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Problem 1) (a) Show that the following scheme works for converting signals from passband to complex baseband: LPF s1(t) š(t)– V2 cos 27 fet LPF sQ(t) -V2 sin 27 fet (b) Find the complex baseband representation of the real-valued passband signal: 5(t) = g(t) cos(27 fct + ) + f(t) sin(27 fet + ) where g(t) and f(t) are real-valued signals with bandwidth W that is much smaller than fe.
Transcribed Image Text:Problem 1) (a) Show that the following scheme works for converting signals from passband to complex baseband: LPF s1(t) š(t)– V2 cos 27 fet LPF sQ(t) -V2 sin 27 fet (b) Find the complex baseband representation of the real-valued passband signal: 5(t) = g(t) cos(27 fct + ) + f(t) sin(27 fet + ) where g(t) and f(t) are real-valued signals with bandwidth W that is much smaller than fe.
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