The ac equivalent circuit for an amplifier is shown . Assume the capacitors have infinite value, RI = 10 kΩ, RB = 5 MΩ, RC = 1.5 MΩ, and R3 = 3.3 MΩ. Calculate the input resistance and output resistance for the amplifier if the BJT Q-point is (2 μA, 2 V). Assume βo = 40 and VA = 50 V. R,RCR3RgTwo-portFigure P13.62

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Answered: R, RC R3 Rg Two-port Figure P13.62

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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The ac equivalent circuit for an amplifier is shown . Assume the capacitors have infinite value, R_I = 10 kΩ, R_B = 5 MΩ, R_C = 1.5 MΩ, and R₃ = 3.3 MΩ. Calculate the input resistance and output resistance for the amplifier if the BJT Q-point is (2 μA, 2 V). Assume β_o = 40 and V_A = 50 V.

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