Four Pole Low Pass, Band Pass, and High Pass Filter
Created July 7, 2007
Schematic (pdf)
Low Pass Filter Sample (mp3)
Another Low Pass Filter Sample (mp3)
Band Pass Filter Sample (mp3)
Photo of breadboard. There are four circuit strips, only the two
on the left contain the filter...the other two strips just have a bunch
of random part stuck in them for just playing around...