Yn (+) O- A2a VOur (+) RA RB RA VOUT (-) A2b Figure Q2a Figure Q2a shows the circuit diagram of part of an instrumentation amplifie Show that the differential and common mode gains of the circuit are given by 2R, + R, and AyeM =1 respectively. R, AypıFF
Yn (+) O- A2a VOur (+) RA RB RA VOUT (-) A2b Figure Q2a Figure Q2a shows the circuit diagram of part of an instrumentation amplifie Show that the differential and common mode gains of the circuit are given by 2R, + R, and AyeM =1 respectively. R, AypıFF
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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How did they get case 1 and case 2 and simplify break down for a dummy?

Transcribed Image Text:Q2
Vn (+) O-
A2a
VOur (+)
RA
RB
RA
A2b
Vour (-)
+
Figure Q2a
Figure Q2a shows the circuit diagram of part of an instrumentation amplifier.
Show that the differential and common mode gains of the circuit are given by
(a)
2R, + R,
AypIFF
and AycM = 1 respectively.
R,
.

Transcribed Image Text:Case I
nd VinE) =o
Conader VIN(+) ony
RA
Yout, ()
Vin (+)
%3D
RB
Vout, -)
RA
Vin t)
RB/
%D
1
Case I
Consider Vin-) only nd Vn (+) =0
- RA
Rg
Voutz (+) =
* Vin)
%3D
RA
Voutz ()
(1+) Vin -)
RB
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