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An AM signal sm(t) is given by: Sm (t) = [A + s(t)] cos(2nfet + 0). This AM signal is applied to both Figures (a) and (b) as shown below. The maximum frequency of s(t) if fm which is also the cutoff frequency of the lowpass filter. Show that the two systems yield the same output. Also, comment on whether the two lowpass filters in the in Figure (b) can be replaced by a single filter either following or preventing the square root operation. Sm(t) Sm(t) Sm(t) cos (2πfct + 0) cos (2πfct) sin (2πrfet) Lowpass Filter Fig (a) Lowpass Filter Lowpass Filter Fig (b). Square Square Σ Square Root

An AM signal sm(t) is given by: Sm (t) = [A + s(t)] cos(2nfet + 0). This AM signal is applied to both Figures (a) and (b) as shown below. The maximum frequency of s(t) if fm which is also the cutoff frequency of the lowpass filter. Show that the two systems yield the same output. Also, comment on whether the two lowpass filters in the in Figure (b) can be replaced by a single filter either following or preventing the square root operation. Sm(t) Sm(t) Sm(t) cos (2πfct + 0) cos (2πfct) sin (2πrfet) Lowpass Filter Fig (a) Lowpass Filter Lowpass Filter Fig (b). Square Square Σ Square Root

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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An AM signal sm(t) is given by: Sm (t) = [A + s(t)] cos(2πfet + 0). This AM signal is applied to both Figures (a) and (b) as shown below. The maximum frequency of s(t) if fm which is also the cutoff frequency of the lowpass filter. Show that the two systems yield the same output. Also, comment on whether the two lowpass filters in the in Figure (b) can be replaced by a single filter either following or preventing the square root operation. Sm(t) Sm(t) Sm(t) cos (2πfct + 0) cos (2πfct) sin (2πrfet) Lowpass Filter Fig (a) Lowpass Filter Lowpass Filter Fig (b). Square Square Σ Square Root
Transcribed Image Text:An AM signal sm(t) is given by: Sm (t) = [A + s(t)] cos(2πfet + 0). This AM signal is applied to both Figures (a) and (b) as shown below. The maximum frequency of s(t) if fm which is also the cutoff frequency of the lowpass filter. Show that the two systems yield the same output. Also, comment on whether the two lowpass filters in the in Figure (b) can be replaced by a single filter either following or preventing the square root operation. Sm(t) Sm(t) Sm(t) cos (2πfct + 0) cos (2πfct) sin (2πrfet) Lowpass Filter Fig (a) Lowpass Filter Lowpass Filter Fig (b). Square Square Σ Square Root
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