The given circuit is to be proved as a subtracting circuit when its four resistances are equal. Concept introduction: A difference amplifier configuration is here with two input signals applied at inverting and non-inverting terminals v 1 and v 2 . We can write the general expression for the output voltage of the difference amplifier and then apply the specific case of equal resistances.

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 3.20QAP
Interpretation Introduction

Interpretation:

The given circuit is to be proved as a subtracting circuit when its four resistances are equal.

Principles of Instrumental Analysis, Chapter 3, Problem 3.20QAP

Concept introduction:

A difference amplifier configuration is here with two input signals applied at inverting and non-inverting terminals v1 and v2. We can write the general expression for the output voltage of the difference amplifier and then apply the specific case of equal resistances.

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