hw2ece342fall2008Solution

hw2ece342fall2008Solution - Name _Solution_ CM _111_ ECE342...

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Name _____Solution______ CM _111_ Due date: Thursday, 18 Sept. 2008 ECE342 Homework #2 Solution Fall 2008 (Signal Spectra and Non-Linear Behavior of Passive Components) 1 Circle the best answers for the following multiple choice questions. There could be more than one correct answer to each question. (courtesy of Professor Tod Hubing.) 1(a) Increasing the risetime of a digital signal, (1) Reduces the amplitude of the upper harmonics more than the lower harmonics (2) Reduces the amplitude of the lower harmonics more than the upper harmonics (3) Reduces the amplitude of all harmonics equally (4) Has no effect on the amplitude of the harmonics 1(b) In the limit, as the risetime of a digital waveform approaches zero The amplitude of the harmonics approaches infinity (5) The amplitude of all harmonics are equal (6) The amplitude of the upper harmonics becomes higher than the amplitude of the lower harmonics (7) None of the above 1(c) In the limit, as the duty cycle of a digital waveform approaches zero, The amplitude of the harmonics approaches infinity (8) The amplitudes of all harmonics are equal (9) The amplitude of the upper harmonics becomes higher than the amplitude of the lower harmonics (10) None of the above ECE342 Fall 2008 Homework #2 Solution Page 1 of 7
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2 Use the Signal Analyzer to explore the Fourier series for the following periodic trapezoidal signal: The amplitude is 10 V , with
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This note was uploaded on 10/26/2008 for the course ECE 342 taught by Professor Song during the Fall '08 term at Rose-Hulman.

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hw2ece342fall2008Solution - Name _Solution_ CM _111_ ECE342...

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