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1. The Buffer OPAmp configuration shown in figure below provides a direct implementation of the feedback loop. Assuming that the OPAmp has infinite input resistance and zero output resistance, but a finite Open-loop gain of μ, a) what is ẞ? b) If μ=1000, what is the closed-loop voltage gain, Aƒ? c) What is the amount of feedback? d) For Vs = 1 V, find V and V₂. If µ decreases by 10%, what is the corresponding percentage decrease in Aƒ? Note: you can use the gain formula for this problem as: Aƒ = R$ μ 1+μβ V M Vi μ www RL

1. The Buffer OPAmp configuration shown in figure below provides a direct implementation of the feedback loop. Assuming that the OPAmp has infinite input resistance and zero output resistance, but a finite Open-loop gain of μ, a) what is ẞ? b) If μ=1000, what is the closed-loop voltage gain, Aƒ? c) What is the amount of feedback? d) For Vs = 1 V, find V and V₂. If µ decreases by 10%, what is the corresponding percentage decrease in Aƒ? Note: you can use the gain formula for this problem as: Aƒ = R$ μ 1+μβ V M Vi μ www RL

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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1. The Buffer OPAmp configuration shown in figure below provides a direct implementation of the feedback loop. Assuming that the OPAmp has infinite input resistance and zero output resistance, but a finite Open-loop gain of μ, a) what is ẞ? b) If μ=1000, what is the closed-loop voltage gain, Aƒ? c) What is the amount of feedback? d) For Vs = 1 V, find V and V₂. If µ decreases by 10%, what is the corresponding percentage decrease in Aƒ? Note: you can use the gain formula for this problem as: Aƒ = R$ μ 1+μβ V M Vi μ www RL
Transcribed Image Text:1. The Buffer OPAmp configuration shown in figure below provides a direct implementation of the feedback loop. Assuming that the OPAmp has infinite input resistance and zero output resistance, but a finite Open-loop gain of μ, a) what is ẞ? b) If μ=1000, what is the closed-loop voltage gain, Aƒ? c) What is the amount of feedback? d) For Vs = 1 V, find V and V₂. If µ decreases by 10%, what is the corresponding percentage decrease in Aƒ? Note: you can use the gain formula for this problem as: Aƒ = R$ μ 1+μβ V M Vi μ www RL
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