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An amplifier has a voltage amplification Av and a fraction mv of its output is fedback in opposition to the input. If mv = 0.1 and Av = 100, calculate the percentage change in the gain of the system if Av falls 6 dB due to ageing.

An amplifier has a voltage amplification Av and a fraction mv of its output is fedback in opposition to the input. If mv = 0.1 and Av = 100, calculate the percentage change in the gain of the system if Av falls 6 dB due to ageing.

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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Question:-31 An amplifier has a voltage amplification Av and a fraction mv of its output is fedback in opposition to the input. If mv = 0.1 and Av = www 100, calculate the percentage change in the gain of the system if Av falls 6 dB due to ageing.
Transcribed Image Text:Question:-31 An amplifier has a voltage amplification Av and a fraction mv of its output is fedback in opposition to the input. If mv = 0.1 and Av = www 100, calculate the percentage change in the gain of the system if Av falls 6 dB due to ageing.
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