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2.43. The objective of this problem is to investigate the effects of finite gain, finite input impedance, and nonzero output impedance of the op amp on the inverting amplifier. Consider the circuit, including the op-amp model, shown in Figure P2.43. (a) Derive an expression for the circuit voltage gain vo/vs. Evaluate your expression for AOL R, = 25 2, R1 = 1 k2, and R2 = 10 k2. Compare this result to the gain with an ideal op amp. 105, Rin = 1 MS2, %3D (b) Derive an expression for the circuit input impedance Zin = vs/is. Evaluate your expression for AOL = Rin = 1 M2, R, = 25 2, R1 = 1k2, and R2 Compare this result with the input impedance for an ideal op amp. 10°, = 10 k2. (c) Derive an expression for the circuit output impedance Z,. Evaluate your expression for AOL = R, = 25 2, R1 = 1 k2, and R2 = 10k2. Compare this result with the output impedance with an ideal op amp. 10°, Rin = 1 M2, R2 Op-amp model R1 Zin> Figure P2.43

2.43. The objective of this problem is to investigate the effects of finite gain, finite input impedance, and nonzero output impedance of the op amp on the inverting amplifier. Consider the circuit, including the op-amp model, shown in Figure P2.43. (a) Derive an expression for the circuit voltage gain vo/vs. Evaluate your expression for AOL R, = 25 2, R1 = 1 k2, and R2 = 10 k2. Compare this result to the gain with an ideal op amp. 105, Rin = 1 MS2, %3D (b) Derive an expression for the circuit input impedance Zin = vs/is. Evaluate your expression for AOL = Rin = 1 M2, R, = 25 2, R1 = 1k2, and R2 Compare this result with the input impedance for an ideal op amp. 10°, = 10 k2. (c) Derive an expression for the circuit output impedance Z,. Evaluate your expression for AOL = R, = 25 2, R1 = 1 k2, and R2 = 10k2. Compare this result with the output impedance with an ideal op amp. 10°, Rin = 1 M2, R2 Op-amp model R1 Zin> Figure P2.43

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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Please answer question c. Thank you.

2.43. The objective of this problem is to investigate the effects of finite gain, finite input impedance, and nonzero output impedance of the op amp on the inverting amplifier. Consider the circuit, including the op-amp model, shown in Figure P2.43. (a) Derive an expression for the circuit voltage gain vo/vs. Evaluate your expression for AOL R, = 25 2, R1 = 1 k2, and R2 = 10 k2. Compare this result to the gain with an ideal op amp. 105, Rin = 1 MS2, %3D (b) Derive an expression for the circuit input impedance Zin = vs/is. Evaluate your expression for AOL = Rin = 1 M2, R, = 25 2, R1 = 1k2, and R2 Compare this result with the input impedance for an ideal op amp. 10°, = 10 k2. (c) Derive an expression for the circuit output impedance Z,. Evaluate your expression for AOL = R, = 25 2, R1 = 1 k2, and R2 = 10k2. Compare this result with the output impedance with an ideal op amp. 10°, Rin = 1 M2, R2 Op-amp model R1 Zin> Figure P2.43
Transcribed Image Text:2.43. The objective of this problem is to investigate the effects of finite gain, finite input impedance, and nonzero output impedance of the op amp on the inverting amplifier. Consider the circuit, including the op-amp model, shown in Figure P2.43. (a) Derive an expression for the circuit voltage gain vo/vs. Evaluate your expression for AOL R, = 25 2, R1 = 1 k2, and R2 = 10 k2. Compare this result to the gain with an ideal op amp. 105, Rin = 1 MS2, %3D (b) Derive an expression for the circuit input impedance Zin = vs/is. Evaluate your expression for AOL = Rin = 1 M2, R, = 25 2, R1 = 1k2, and R2 Compare this result with the input impedance for an ideal op amp. 10°, = 10 k2. (c) Derive an expression for the circuit output impedance Z,. Evaluate your expression for AOL = R, = 25 2, R1 = 1 k2, and R2 = 10k2. Compare this result with the output impedance with an ideal op amp. 10°, Rin = 1 M2, R2 Op-amp model R1 Zin> Figure P2.43
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