
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Transcribed Image Text:Problem 3
Consider the system presented in the figure below.
(a) Show the Nyquist diagram for K = 0.2.
(b) What is the gain margin of the Nyquist diagram in (a)?
(c) Explain the dependence of stability on the gain K.
R
E
K
+
1
s(s+25+1)
+C
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