Consider an amplifier with the loop gain function T(f), where ßis the feedback gain and frp is the frequency of the dominant pole. (a) B(10*) T(f)=: 1+ j1+j (i) Determine ß such that the amplifier has a low-frequency closcd-loop gain of 50. (ii) Determine frp such that the amplifier has a phase margin of 45 degrees.

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter12: Power System Controls
Section: Chapter Questions
Problem 12.3P
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Consider an amplifier with the loop gain function T(f), where Bis the feedback gain and
fep is the frequency of the dominant pole.
B(10*)
T(f)=:
1+j
1+j
10
(i)
Determine ß such that the amplifier has a low-frequency closcd-loop gain of 50.
(ii)
Determine frD such that the amplifier has a phase margin of 45 degrees.
Transcribed Image Text:Consider an amplifier with the loop gain function T(f), where Bis the feedback gain and fep is the frequency of the dominant pole. B(10*) T(f)=: 1+j 1+j 10 (i) Determine ß such that the amplifier has a low-frequency closcd-loop gain of 50. (ii) Determine frD such that the amplifier has a phase margin of 45 degrees.
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