2.41 Show that if OA₁ and OA2 in Fig. 2.20 have the same open-loop gain a, together they form a negative-feedback system with input v₁ = V₁ - V2, output vo = vo1 - V02 open-loop gain a, and feedback factor ß = RG/(RG +2R3).
2.41 Show that if OA₁ and OA2 in Fig. 2.20 have the same open-loop gain a, together they form a negative-feedback system with input v₁ = V₁ - V2, output vo = vo1 - V02 open-loop gain a, and feedback factor ß = RG/(RG +2R3).
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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2.41 is the question itself while the other image is the mentioned circuit. A conceptual problem using equations to solve using kcl.
![2.41 Show that if OA₁ and OA2 in Fig. 2.20 have the same open-loop gain a, together they
form a negative-feedback system with input v1 = V₁ V2, output vo = V01 - V02,
open-loop gain a, and feedback factor ß = RG/(RG +2R3).
2.12](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa9a75475-3880-4883-81b6-0993c096d99d%2F74b5ebeb-90be-473e-9d0f-ec6dcd4f6b7e%2Fdf39l04_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2.41 Show that if OA₁ and OA2 in Fig. 2.20 have the same open-loop gain a, together they
form a negative-feedback system with input v1 = V₁ V2, output vo = V01 - V02,
open-loop gain a, and feedback factor ß = RG/(RG +2R3).
2.12
![of A
010
N02=
V1
F1=1
aux
V2
+
+
slam (d) tog Cl-001
V01 R₁
OA1
SOA2
+
R3
RG
R3
V02
R₁
M
Shuby R₂
OA3
+
R₂
m
FIGURE 2.20
Triple-op-amp instrumentation amplifier.
VW 012 K
SUMO
et or toerno (0)
11
O VO
amat](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa9a75475-3880-4883-81b6-0993c096d99d%2F74b5ebeb-90be-473e-9d0f-ec6dcd4f6b7e%2Faeecis7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:of A
010
N02=
V1
F1=1
aux
V2
+
+
slam (d) tog Cl-001
V01 R₁
OA1
SOA2
+
R3
RG
R3
V02
R₁
M
Shuby R₂
OA3
+
R₂
m
FIGURE 2.20
Triple-op-amp instrumentation amplifier.
VW 012 K
SUMO
et or toerno (0)
11
O VO
amat
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Step 1: Summarize the given information.
VIEWStep 2: Deriving the outputs of the op-amps OA1 and OA2.
VIEWStep 3: Deriving the output of the op-amp OA3.
VIEWStep 4: Correcting the mistakes of the question.
VIEWStep 5: Proving the output voltage equation and input voltage equation.
VIEWStep 6: The open-loop gain for OA1 and OA2.
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