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+VDD Rp OVOUT VIN O- Rs O Vss = -VDD a. Draw the small-signal model. b. Determine the small-signal gain vou/Vin- c. Explain how Rs affects the small-signal gain. What happens if Rs = 02?

+VDD Rp OVOUT VIN O- Rs O Vss = -VDD a. Draw the small-signal model. b. Determine the small-signal gain vou/Vin- c. Explain how Rs affects the small-signal gain. What happens if Rs = 02?

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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NFET Common Source Amplifier with Source Degeneration: For the circuit below, assume the MOSFET operates in saturation and is characterized by parameters V_TN and K_N

 

+VDD Rp OVOUT VIN O Rs Vss = -VDD %3D a. Draw the small-signal model. Determine the small-signal gain voud Vin- c. Explain how Rs affects the small-signal gain. What happens if Rs = 02? d. Simplify the gain expression assuming that g R is much greater than 1. What happens to the g m s m in the expression? e. What might be the benefit of having a gain that is (nearly) independent of g ? m Determine the small-signal output resistance. g. Determine the small-signal input resistance.
Transcribed Image Text:+VDD Rp OVOUT VIN O Rs Vss = -VDD %3D a. Draw the small-signal model. Determine the small-signal gain voud Vin- c. Explain how Rs affects the small-signal gain. What happens if Rs = 02? d. Simplify the gain expression assuming that g R is much greater than 1. What happens to the g m s m in the expression? e. What might be the benefit of having a gain that is (nearly) independent of g ? m Determine the small-signal output resistance. g. Determine the small-signal input resistance.
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