Electronics-I Lecture 04

# Electronics-I Lecture 04 - Assignment1 Page146,Exercise3.4...

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Lecture 04 Electronics I 1 Assignment 1 Page 146,  Exercise 3.4 Page 218, Problem 3.2, 3.3, 3.5 Due Date: Tuesday 24 th  Aug, 2010 Quiz No.1  Next Week Quiz No 1

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Lecture 04 Electronics I 2 Piecewise-Linear Model  Need for rapid analysis Simplified Diode models Non-linear i-v  characteristics complicate  analysis Use piecewise linear model  will simplify the analysis  These Results can then be  used to fine-tune the  design
Lecture 04 Electronics I 3 Piecewise-Linear Model Line A with zero slope Line B with slope 1/r D In the current range  0.1mA to 10 mA Voltages differ by less  than 50 mV Closer approximation  by using different  lines and slopes

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Lecture 04 Electronics I 4 Piecewise-Linear Model Straight line or piecewise  linear model can be  described by: i D  = 0, v D    V D0 i D  = (v D  - V D0 )/r v D    V D0 V D0  = 0.65 V,       r D  = 20
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