(c) Refer to the circuit in Fig 7.2 for this part of the question: (i) Given Vs = 10 V, Ip = 15 mA, R1 = 30 kQ, R2 = 300 2, R3 = 20 k2, R4 = 60 2, and the MOSFET %3D %3D %3D %3D %3D %3D has a threshold voltage of VT = 1 V, determine VGs and VDs- (ii) Hence determine the operating region of the MOSFET, stating your reasons. (iii) Sketch the small signal equivalent circuit of the amplifier circuit. Note: The small signal equivalent circuit for a MOSFET is provided in Figure 5.3 for your reference. (iv) Given that gm = 80 mS and assume ro is infinite, find the small signal gain of the circuit. %3D (v) Find the small signal gain when R4 is bypassed by a capacitor in parallel. Dee2005-q5-mosfet.jpg

(c) Refer to the circuit in Fig 7.2 for this part of the question: (i) Given Vs = 10 V, Ip = 15 mA, R1 = 30 kQ, R2 = 300 2, R3 = 20 k2, R4 = 60 2, and the MOSFET %3D %3D %3D %3D %3D %3D has a threshold voltage of VT = 1 V, determine VGs and VDs- (ii) Hence determine the operating region of the MOSFET, stating your reasons. (iii) Sketch the small signal equivalent circuit of the amplifier circuit. Note: The small signal equivalent circuit for a MOSFET is provided in Figure 5.3 for your reference. (iv) Given that gm = 80 mS and assume ro is infinite, find the small signal gain of the circuit. %3D (v) Find the small signal gain when R4 is bypassed by a capacitor in parallel. Dee2005-q5-mosfet.jpg

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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