Answered: R R A, R, A3 ovo RG R, R2 R3 ov REF A2…

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

1. Referenced Instrumentation Amplifier

The diagram above represents a 3-amp instrumentation amplifier with a reference input (Vref). The equation that best defines the relationship between the inputs and the output of the circuit is:

R
R
A,
R,
A3
ovo
RG
R,
R2
R3
ov
REF
A2
+
V, O

:)()
2R1
Vo = (V2 – Vị) (1+ ) ) + VRef
+ VREF
-
R3
Vo = (V2 – Vị + Vrep) (1+ ) )
Vo = (V2 – Vi) (1+ E + VREF (1+)
Vo = (V2 – Vi) (1+ )O + VREF (A)
V )(1+) + VREF (1 +)
) (1+ ) + VREF
2R1
RG
2R1
-
2R1
-
2R1
= (V2 – V) (1+
-
2R1
Vo = (V2 – Vi) (1+
%3D

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