[sdiy] interesting expo design

[Michael Ruberto]

this is interesting, check it out:

http://www.e-insite.net/ednmag/index.asp?layout=article&articleid=CA178103&industryid=2281

the problem I see with this approach is adding in external CVs. I suppose it 
could be done using a very precise VCA. the external CV's can be summed into 
the VCA's CV input and the reference from IC3 connected to IC1's + input 
through the VCA? hmmm I imagine there would have to be some offset 
correction too.

may have to experiment with this...

~M


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