Final formula sheet

Bipolar junction transistor pnp forward active mode p

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Unformatted text preview: − V ) ȹ 1 1 ȹȺ ȹ ȹȺ W = Ⱥ + ȹ N q N D ȹȺ ȹ A Ⱥ Ⱥ n = n = e qVbi / kT pn n p kT N A N D Vbi = ln 2 q ni Δn = n( x p = 0) − n p = n p (e qV / kT − 1) δn( x p ) = Δn e + x p / Ln Wp = W ND N A + ND Δp = p( xn = 0) − pn = pn (e qV / kT − 1) δp( xn ) = Δp e − xn / L p Wn = W NA N A + ND ȹ D p ȹ D I = qAȹ pn + n n p ȹ = I S e qV / kT − 1 ȹ L Ln ȹ ȹ p Ⱥ ( ) W anode " L p ! Bipolar Junction Transistor, pnp, forward active mode ( ) Δp E = p n e qVEB / kT − 1 ( ) ΔpC = p n e qVCB / kT − 1 ! 1 µtot = 1 µ1 + 1 µ2 ∂ − 1 ȹ dJ ȹ δp L diff diff J p = qϕ p δp = ȹ p ȹ − ∂t q ȹ dx ȹ τ p Aσ ȹ Ⱥ diff diff drift diff diff J n = −qϕ n J p = qϕ p J n...
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This document was uploaded on 02/13/2014.

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