EE 330
Lecture 26
Small Signal Modeling

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Small-Signal Principle
y
x
y
Q
x
Q
x
SS
y
SS
Q-point
y=f(x)
Q
Q
SS
x=x
f
y
f x
x
x
Quiescent Output
ss
Gain
How can a
circuit
be linearized at an operating point as an alternative to
linearizing
a nonlinear function at an operating point?
V
Nonlinear
One-Port
I
Consider arbitrary nonlinear one-port network
Review from Last Lecture