(c) Figure Q.1 shows a MOSFET amplifier. Given that: Vos (th) 2 V, k = 130 mA/V2 and ras = 00. Vs Ci 1 µF Rsig 500 Ω RG 100 ΚΩ Zin ww + VDD (+12 V) RD 3 ΚΩ C2 10 µF IDQ + RL 5 ΚΩ VGSQ RSI 0.6 ΚΩ RS2 0.9 ΚΩ www - Vss (-6V) 22 µF www Zout Vo Figure Q.1. MOSFET amplifier circuit (i) By mathematical approach, prove that the transistor Q-points, Vosq = 2.14 V and IDQ 2.57 mA. (ii) Draw the small-signal ac equivalent circuit at middle frequency. (iii) Calculate gm, Zin and Zout = (iv) Derive the equation for voltage gain, A., and calculate the voltage gain, Avs. (v) If Rsi is short-circuited, what will be the effect towards Aus?

(c) Figure Q.1 shows a MOSFET amplifier. Given that: Vos (th) 2 V, k = 130 mA/V2 and ras = 00. Vs Ci 1 µF Rsig 500 Ω RG 100 ΚΩ Zin ww + VDD (+12 V) RD 3 ΚΩ C2 10 µF IDQ + RL 5 ΚΩ VGSQ RSI 0.6 ΚΩ RS2 0.9 ΚΩ www - Vss (-6V) 22 µF www Zout Vo Figure Q.1. MOSFET amplifier circuit (i) By mathematical approach, prove that the transistor Q-points, Vosq = 2.14 V and IDQ 2.57 mA. (ii) Draw the small-signal ac equivalent circuit at middle frequency. (iii) Calculate gm, Zin and Zout = (iv) Derive the equation for voltage gain, A., and calculate the voltage gain, Avs. (v) If Rsi is short-circuited, what will be the effect towards Aus?

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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