(b) Let x(t) be a real-valued signal with X (w) = 0 when |w| > 990n. Amplitude modulation is performed to produce the signal g(t) = x(t) cos(1000nt). A proposed demodulation technique shown in Figure Q3 (b) consists of multiplying the modulated signal by sin(1000nt) and passing through a lowpass filter with the cutoff frequency 1000r. Determine y(t). ideal low-pass filter with cut-off g(1) = x(t)cos (1000 t)→(x y(t) frequency 1000r sin (1000 r t) Figure Q3 (b)

(b) Let x(t) be a real-valued signal with X (w) = 0 when |w| > 990n. Amplitude modulation is performed to produce the signal g(t) = x(t) cos(1000nt). A proposed demodulation technique shown in Figure Q3 (b) consists of multiplying the modulated signal by sin(1000nt) and passing through a lowpass filter with the cutoff frequency 1000r. Determine y(t). ideal low-pass filter with cut-off g(1) = x(t)cos (1000 t)→(x y(t) frequency 1000r sin (1000 r t) Figure Q3 (b)

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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