15-MOSFET Circuit Analysis Examples

15-MOSFET Circuit Analysis Examples - MOSFET Circuit...

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MOSFET Circuit Analysis Examples © Fred Terry all, 008 Fall, 2008 1
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Common Source Amp with Source Resistance V CC V out I D D R 2 V in G S R 1 2
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Small Signal Analysis: Saturation Mode V CC I D R 2 R 2 V in V out G D vgs v out g m v gs + v R 1 S - R 1 3
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Small Signal Analysis: Saturation Mode R 2 gs v out + vgs g m v - v in R 1 4
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nalysis V CC Analysis V out I D D R 2 V in G S R 1 5
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nalysis Analysis 6
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nalysis Analysis 7
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nalysis Analysis 8
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umerical Example Numerical Example V CC 2 5.1796 / 1: K mA V Example = V out I D D R 2 1 0 0 R K = Ω V in G S 2 10 2: RK Example R 1 1 2 20 550 9
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= 0R =10K R 1 0 R 2 10K Ω 15 Transfer Characteristic 10 V out -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 0 5 V in 30 40 Small Signal Gain 10 20 - δ / 10 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 0 V
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=20K =550K R 1 20K Ω R 2 550K Ω 15 Transfer Characteristic 10 V out -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 0 5 V in 20 25 Small Signal Gain 5 10 15 - δ / 11 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 0 V
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%MOSFET Amplifier with Drain (R2) and Source (R1) resistances clear all; close all; Vcc=15; K=5.1796e-3; VT=1; amp with source resistance %p R1=20e3; R2=550e3; VGS=-1:1e-3:4; RT=R1+R2; GS LIN=VT
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This note was uploaded on 01/31/2011 for the course EECS 215 taught by Professor Phillips during the Spring '08 term at University of Michigan.

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15-MOSFET Circuit Analysis Examples - MOSFET Circuit...

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