5. Figure 8 shows a single-transistor common-base amplifier with capacitive coupling. VCC R1 Rc 3 ΚΩ C2 HH C₁ HH CB= R₂ RE 1 ΚΩ - Vout o Vin Figure 8: Common-base amplifier. (a) Carefully draw the small-signal equivalent circuit of this amplifier. Make sure you simplify your equivalent circuit as much as possible. (b) Derive symbolic expressions for the following small-signal quantities. (i) The small-signal voltage gain A₁. (ii) The small-signal input resistance Rin (c) A DC analysis of the circuit reveals the collector and base bias currents to be Ic = 3 mA and IB = 25 μA respectively. Find numerical values for A₁ and Rin assuming the thermal voltage is VT 25.6 mV. =

5. Figure 8 shows a single-transistor common-base amplifier with capacitive coupling. VCC R1 Rc 3 ΚΩ C2 HH C₁ HH CB= R₂ RE 1 ΚΩ - Vout o Vin Figure 8: Common-base amplifier. (a) Carefully draw the small-signal equivalent circuit of this amplifier. Make sure you simplify your equivalent circuit as much as possible. (b) Derive symbolic expressions for the following small-signal quantities. (i) The small-signal voltage gain A₁. (ii) The small-signal input resistance Rin (c) A DC analysis of the circuit reveals the collector and base bias currents to be Ic = 3 mA and IB = 25 μA respectively. Find numerical values for A₁ and Rin assuming the thermal voltage is VT 25.6 mV. =

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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