User Guide

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s You Need to Know
What is the PSpice
Optimizer?
The MicroSim PSpice Optimizer is a circuit optimization
program that improves the performance of analog and mixed
analog/digital circuits.
Run optimizations
The PSpice Optimizer performs
iterative simulations, while adjusting the values of design
parameters until performance goals, subject to specified
constraints, are nearly or exactly met. Constraints can include
simple bounds on parameter values and nonlinear functions. The
PSpice Optimizer also computes Lagrange multipliers that
provide information on the cost of each constraint on the
solution.
Explore performance tradeoffs
When you enter new
values for design parameters, the PSpice Optimizer provides
graphical feedback showing performance. You can also tweak
goal and constraint values to examine changes to parameter
values.
Fit model parameters
Given a parameterized model, a
set of measured data points, and a good starting point for the
parameter values, the PSpice Optimizer fits a more accurate
model.