The output voltage v 0 and the input voltage v i of the following circuit is to be proved to be related as v 0 = v i ( R 1 + R 2 R 1 ) An explanation is also required as why the given circuit works as a voltage follower with gain. Concept introduction: The concept of virtual ground(short) is used based on which the voltage maintained at both the terminals is the same. From the given circuit the relation between the input and output voltage can be obtained using virtual short and potential divider concept. The output can then be proved observed to follow the input with a gain.

BuyFind

Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213
BuyFind

Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213

Solutions

Chapter 3, Problem 3.5QAP
Interpretation Introduction

Interpretation:

The output voltage v0 and the input voltage vi of the following circuit is to be proved to be related as

v0=vi(R1+R2R1)

An explanation is also required as why the given circuit works as a voltage follower with gain.

Concept introduction:

The concept of virtual ground(short) is used based on which the voltage maintained at both the terminals is the same. From the given circuit the relation between the input and output voltage can be obtained using virtual short and potential divider concept. The output can then be proved observed to follow the input with a gain.

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