Environmental Engineering Reference
In-Depth Information
and and are Laplace transform of and
respectively. The total error is obtained by summing up that of the
second and third-order Volterra circuits
7. Examples
In this section, the response and sensitivity of several periodically
switched nonlinear circuits are analyzed using the algorithms presented
in this chapter .
7.1 Time-Invariant Nonlinear Circuits
The first example considered is the current-mirror amplifier shown
in Fig.7.7 with the value of the circuit parameters given in Table 7.7.
The amplifier is a building block for continuous-time current-mode cir-
cuits [70]. Neglecting channel-length modulation and other second-order
effects, we obtain the AC component of the channel current
where
is the linear transconductance and
is the second-order nonlinear transconductance,
is the surface mobil-
ity of free electrons,
is the gate capacitance per unit area,
W
and
L
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