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Week 2: PN Junction Diode

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Newton’s Iteration Method for f (v D ) = 0<br />

1. Make initial guess V D<br />

0<br />

2. Evaluate f and its derivative f ’ for this value of V D<br />

3. Calculate new guess for V D using<br />

4. Repeat steps 2 and 3 till convergence<br />

V<br />

1<br />

D<br />

= V<br />

0<br />

D<br />

−<br />

f<br />

( )<br />

0<br />

V<br />

f '(<br />

V<br />

D<br />

0<br />

D<br />

)<br />

f<br />

'<br />

( ) ( )<br />

0<br />

f VD<br />

V =<br />

0 − 0<br />

D<br />

0 1<br />

VD<br />

−VD<br />

ELE2110A © 2008<br />

Lecture 02 - 33

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