Figure below shows a negative feedback system. The open loop gains of amplifiers are given as follow: 25 18 20 A. (f) = A2 (f) Az (f) = 1 + j 5000 1 + j 5000 1 + 5000 S; A1 A2 A3 S. Determine value of the feedback transfer function, B so that the system can be stable.

Figure below shows a negative feedback system. The open loop gains of amplifiers are given as follow: 25 18 20 A. (f) = A2 (f) Az (f) = 1 + j 5000 1 + j 5000 1 + 5000 S; A1 A2 A3 S. Determine value of the feedback transfer function, B so that the system can be stable.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Question

Figure below shows a negative feedback system. The open loop gains of
amplifiers are given as follow:
25
18
20
A. (f) =
A2 (f)
Az (f) =
1 + j
5000
1 + j
5000
1 +
5000
S;
A1
A2
A3
S.
Determine value of the feedback transfer function, B so that the system can be
stable.

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