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Week 2: PN Junction Diode

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Example 5<br />

Since source is forcing current backward through diode,<br />

assume diode is off. Hence I D =0.<br />

10 + V<br />

∴V<br />

D<br />

D<br />

+ 10<br />

4<br />

= −10V<br />

I<br />

D<br />

=<br />

0<br />

Since V D < 0, our assumption is right.<br />

Q-point is (0, -10 V)<br />

ELE2110A © 2008<br />

Lecture 02 - 37

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