Sunday, October 16, 2011
Demo of an easy low pass filter for the use in circuit bended toys
YouTube Uploaded by elohess2 on Oct 16, 2011
"A short demonstration of an easy filter circuit I've build on a breadboard. I'm looking for an easy to build one chip filter. This is a dirty circuit. I works als a normal low-pass filter. The Q-factor (resonance) has a very high gain which leads to self oscillation and creating artefact noise. The circuit is based on a LM324 chip. The filter has a Sallen-Key structure with an additional voltage feed on the gain. The video shows how to expand the filter in a circuit bending style with a 555 based LFO. I will publish the schematics next time on my blog and give a link here.
The filter can easy integrated into crackleboxes, cacophonator like boxes or build into the line out of a modified toy."
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MATRIXSYNTH - EVERYTHING SYNTH
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