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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
add cv in ?
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flab



Joined: Feb 13, 2012
Posts: 60
Location: Glasgow

PostPosted: Mon Nov 19, 2012 12:58 pm    Post subject: add cv in ? Reply with quote  Mark this post and the followings unread

I saw that way for a cv input some time ago-is it look possibly for u people?
I could have tried out - but im a bit away(geographically) from my components the last two months. Any better ideas for adding an cv in to a cmos?


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Psyingo



Joined: Jun 11, 2009
Posts: 247
Location: Canada

PostPosted: Mon Nov 19, 2012 5:28 pm    Post subject: Reply with quote  Mark this post and the followings unread

well the method you posted COULD work, depending on your application. what are you trying to voltage control? what parameter of what module? there are a lot of factors to consider before it could be said if the method you posted will work or not.

you can use a bjt transistor for voltage control... yes, but its not ideal...

Another easy method would be the VACTROL method... place the vactrol in place of a resistor that controls something, like a pot that controls filter cutoff, or oscillator frequency.

http://ruinwesen.com/blog?id=1325
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flab



Joined: Feb 13, 2012
Posts: 60
Location: Glasgow

PostPosted: Mon Nov 19, 2012 5:47 pm    Post subject: Reply with quote  Mark this post and the followings unread

i was thinking of adding a cv & audio in at some noise boxes i made at the past (with 40106 based osc)

cheers
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