PRINCIPLES OF INSTRUMENTAL ANALYSIS
PRINCIPLES OF INSTRUMENTAL ANALYSIS
7th Edition
ISBN: 9789353506193
Author: Skoog
Publisher: CENGAGE L
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Chapter 3, Problem 3.19QAP
Interpretation Introduction

Interpretation:

An expression for output voltage should be determined for the circuit shown below.

PRINCIPLES OF INSTRUMENTAL ANALYSIS, Chapter 3, Problem 3.19QAP

Concept introduction:

The given circuit represents an integrator. Here we have two inputs v1 and v2 and the respective currents be i1 and i2. Since input current flowing into the op-amp is zero, we have the current flowing through the feedback loop, if. Hence,

i1+i2=if

Expressing the currents in terms of input and output voltages in the expression gives the final output voltage.

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