sidmonster Posted May 1, 2011 Report Share Posted May 1, 2011 Just kidding, I always thought it was funny how people make disgusting toxic drugs to put in their body out of other disgusting toxic household cleaning products... Anyways, I'm trying to see if I have enough laying around to build and LFO to get some nifty wobbles from the KORG NJM-2069 filter I am using. It has lin and log CV inputs so I know it's just a matter of modulation those CV's. I found a cool site that has schem and part list for many simple synth modules you can build: http://www.cgs.synth.net/modules there are a few different LFO modules that interest me, but this is probably the most simple: http://www.cgs.synth.net/modules/psycho_lfo.html I don't have that IC laying around that he used, but while looking for it, I found two modulator chips (MC149BP) that I think could be used, I have attached the datasheet to this post, please have a look and tell me if I can use this IC. From the datasheet it looks like I would have a lot of flexibility with this chip. Thanks! BTW, I have two of these chips so if someone else wants to try this as well, I have one to spare! mc1496bp modulator.pdf Quote Link to comment Share on other sites More sharing options...
Shuriken Posted May 1, 2011 Report Share Posted May 1, 2011 Here are some more interesting pages for you reading pleasure: http://yusynth.net/Modular/index_en.html http://www.musicfromouterspace.com/mfosweb/navigate.action?MAINTAB=SYNTHDIY Quote Link to comment Share on other sites More sharing options...
rosch Posted May 1, 2011 Report Share Posted May 1, 2011 the chip in the datasheet is a balanced modulator, while the 40106 is a hex inverter. you'll find the 40106 literally everywhere for a few cents. Quote Link to comment Share on other sites More sharing options...
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