Sallen-Key 3-Pole Butterworth Active Highpass Filter - Maple Application Center
Application Center Applications Sallen-Key 3-Pole Butterworth Active Highpass Filter

Sallen-Key 3-Pole Butterworth Active Highpass Filter

Author
: Maplesoft AuthorSamir Khan
Engineering software solutions from Maplesoft
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This application demonstrates how you can compute the properties for a Butterworth filter, given a 3-pole Sallen-Key circuit.

First, the filter transfer function is derived from the nodal voltage equations. This results in a set of four equations which are numerically solved for the circuit resisances. The AC gain can be tuned for the required response.

 

Application Details

Publish Date: June 28, 2022
Created In: Maple Flow 2021
Language: English

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