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(a) In the op-amp based circuit of Figure Q.Bla, the values of R1, R2, R3 and R4 are as indicated. i) If V1 = V2= 3.0V, determine the value of V. R = 8 kQ R2 = 100 k2 v, M R3 = 20 kQ R3 V. R4 = 100 k2 R4 Figure Q.B1a ii) If the op-amp based circuit of Figure Q.Bla is now required to operate as a difference amplifier, to what value R3 must be modified if the value of the other three resistors: R1, R2, and R4, are to remain as indicated? Then, determine the voltage gain of the difference amplifier with the R3 value modified as required.

(a) In the op-amp based circuit of Figure Q.Bla, the values of R1, R2, R3 and R4 are as indicated. i) If V1 = V2= 3.0V, determine the value of V. R = 8 kQ R2 = 100 k2 v, M R3 = 20 kQ R3 V. R4 = 100 k2 R4 Figure Q.B1a ii) If the op-amp based circuit of Figure Q.Bla is now required to operate as a difference amplifier, to what value R3 must be modified if the value of the other three resistors: R1, R2, and R4, are to remain as indicated? Then, determine the voltage gain of the difference amplifier with the R3 value modified as required.

Introductory Circuit Analysis (13th Edition)
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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Answer only question ii)
(a) In the op-amp based circuit of Figure Q.Bla, the values of R1, R2, R3 and R4 are as indicated. i) If V1 = V2=3.0V, determine the value of Vo. R = 8 kQ R1 R2 = 100 k2 v, MA R3 = 20 kQ R3 Vo R4 = 100 k2 R4 Figure Q.B1a ii) If the op-amp based circuit of Figure Q.Bla is now required to operate as a difference amplifier, to what value R3 must be modified if the value of the other three resistors: R1, R2, and R4, are to remain as indicated? Then, determine the voltage gain of the difference amplifier with the R3 value modified as required.
Transcribed Image Text:(a) In the op-amp based circuit of Figure Q.Bla, the values of R1, R2, R3 and R4 are as indicated. i) If V1 = V2=3.0V, determine the value of Vo. R = 8 kQ R1 R2 = 100 k2 v, MA R3 = 20 kQ R3 Vo R4 = 100 k2 R4 Figure Q.B1a ii) If the op-amp based circuit of Figure Q.Bla is now required to operate as a difference amplifier, to what value R3 must be modified if the value of the other three resistors: R1, R2, and R4, are to remain as indicated? Then, determine the voltage gain of the difference amplifier with the R3 value modified as required.
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