ECE440_Carney_L38

Neglect baseivcharacterisc loadline

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Unformatted text preview: h
a
narrow
base
 Wb2 B = sech Wb L p ≈ 1 − 2 2 Lp ⎛ Wb nn µ ⎞ γ ≈ ⎜1 + p Ln p p µ ⎟ ⎝ ⎠ p n n p α = Bγ α β= 1−α −1 Circuits
 The
capacitors
allow
us
to
couple

 in
small
ac
signals
without
changing

 the
basic
mode
of
opera;on.

Assume

 strong
normal
mode
biasing.
 neglect
 Base
I‐V
charact...
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