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<strong>Diode</strong> Terminal I-V Characteristics<br />
i<br />
D<br />
⎡ ⎛ v ⎞ ⎤<br />
D<br />
= I ⎢exp<br />
⎜<br />
⎟ −1<br />
S<br />
⎥<br />
⎢⎣<br />
⎝ VT<br />
⎠ ⎥⎦<br />
where I S = reverse saturation current [A]<br />
v D = voltage applied to diode [V]<br />
V T = kT/q = thermal voltage [V] (25 mV at<br />
room temp.)<br />
q = electronic charge [1.60 x 10 -19 C]<br />
k = Boltzmann’s constant [1.38 x 10 -23<br />
J/K]<br />
T = absolute temperature [K]<br />
ELE2110A © 2008<br />
Lecture 02 - 15
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