Chapter 471

Free FilterCAD 3.0 software designs filters quickly and easily

Philip Karantzalis

Abstract

FilterCAD 3.0, which automates and simplifies the process of analog filter design and implementation, is described with examples.

Keywords

Filter design

FilterCAD 3.0

Analog filters must satisfy multiple design specifications (i.e., gain, phase and time response) and implementation constraints (i.e., component tolerance, IC package and power supply voltage and current limitations). The design of a complex filter network requires substantial mathematical work and experience in an available technology (i.e., integrated circuits or op amps and discrete components). Linear Technology’s FilterCAD 3.0 (FCAD) automates and simplifies the ...

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