4.4-8 Weaver's method for SSB-SC modulation requires two steps. Consider a message signal m(t) whose frequency response is 1 M(f)= [u(f+500) u(f +50)]+ j2лf Note that this message has a 100 Hz gap near 0 Hz. 1 [uf-50)-uf- 500)] j2лf (a) Design an upper sideband SSB-SC modulator using a first-stage carrier frequency fд=600 Hz by providing the block diagram and the required bandpass filter. (b) What is the guardband to center frequency ratio required for the bandpass filter in (a)? (c) Design another upper sideband SSB-SC modulator using a first-stage SSB-SC signal such that the final carrier frequency fe = 150 kHz.

4.4-8 Weaver's method for SSB-SC modulation requires two steps. Consider a message signal m(t) whose frequency response is 1 M(f)= [u(f+500) u(f +50)]+ j2лf Note that this message has a 100 Hz gap near 0 Hz. 1 [uf-50)-uf- 500)] j2лf (a) Design an upper sideband SSB-SC modulator using a first-stage carrier frequency fд=600 Hz by providing the block diagram and the required bandpass filter. (b) What is the guardband to center frequency ratio required for the bandpass filter in (a)? (c) Design another upper sideband SSB-SC modulator using a first-stage SSB-SC signal such that the final carrier frequency fe = 150 kHz.

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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