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Aliasing) An analog-to-digital converter samples a 20 Hz voltage sigmal at 100 samples/s. a. What is the frequency of the sampled signal? Is it aliased? b. Now suppose a second, 60 Hz signal, caused by line noise, is added to the original signal. To what frequency is this this line noise aliased? c. If the sampling rate is lowered to 50 samples/s, what frequencies are now present in the sampled signal? Power Supply width

Aliasing) An analog-to-digital converter samples a 20 Hz voltage sigmal at 100 samples/s. a. What is the frequency of the sampled signal? Is it aliased? b. Now suppose a second, 60 Hz signal, caused by line noise, is added to the original signal. To what frequency is this this line noise aliased? c. If the sampling rate is lowered to 50 samples/s, what frequencies are now present in the sampled signal? Power Supply width

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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(Aliasing) An analog-to-digital converter samples a 20 Hz voltage signal at 100 samples/s. a. What is the frequency of the sampled signal? Is it aliased? b. Now suppose a second, 60 Hz signal, caused by line noise, is added to the original signal. To what frequency is this this line noise aliased? c. If the sampling rate is lowered to 50 samples/s, what frequencies are now present in the sampled signal? Power Supply -width
Transcribed Image Text:(Aliasing) An analog-to-digital converter samples a 20 Hz voltage signal at 100 samples/s. a. What is the frequency of the sampled signal? Is it aliased? b. Now suppose a second, 60 Hz signal, caused by line noise, is added to the original signal. To what frequency is this this line noise aliased? c. If the sampling rate is lowered to 50 samples/s, what frequencies are now present in the sampled signal? Power Supply -width
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