Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Question
VI
1/2
+
OA₁
OA₂
+
0
VOL
R3
RG2
R₂2
102
R₁
R₂
OA3
+
R₂
FIGURE 2.20
Triple-op-amp instrumentation amplifier.
5 %
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Transcribed Image Text:VI 1/2 + OA₁ OA₂ + 0 VOL R3 RG2 R₂2 102 R₁ R₂ OA3 + R₂ FIGURE 2.20 Triple-op-amp instrumentation amplifier. 5 %
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 v = v₁ - ₂, output vo = V01-02,
open-loop gain a, and feedback factor B = RG/(RG +2R3).
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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 v = v₁ - ₂, output vo = V01-02, open-loop gain a, and feedback factor B = RG/(RG +2R3).
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