Chapter 25

Optimizer

Abstract

The Optimizer is used on existing working analog circuits to improve performance by optimizing component values or system parameters. Optimizer specifications are set using either Measurement definitions to determine circuit performance by varying circuit parameters or by using Curve-fit definitions that are applied to the profile of the output waveform. Circuit performance is evaluated using measurement expressions from transient, DC, or AC simulations, applied to the circuit output waveforms. Goal functions and constraints are then used to define circuit specifications to optimize circuit performance against measured values for a change in defined parameter values. Goal functions set “loose” target specifications ...

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