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 Forum index » DIY Hardware and Software » Developers' Corner
MicroVCF
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cslammy



Joined: Apr 27, 2018
Posts: 68
Location: USA

PostPosted: Fri Jul 20, 2018 1:23 pm    Post subject: MicroVCF
Subject description: Never seen this one before
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Howdy

I was crusing old Paia stomp schematics and came upon a VCF fragment I've not seen before--caps in the negative feedback loop with a NPN transistor to suck away some of the current.

I have never seen that before, can anyone point me to any more examples?

I perf'd it, it sounds, well, strange.

I wrote up a bit more info
here

Anyone seen more designs that use this? Maybe as a super ez vca?

I am always up for seeing circuit frags I've not encountered before.
thanks in advance.


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cslammy



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PostPosted: Fri Jul 20, 2018 1:28 pm    Post subject: found this one already (on this site) Reply with quote  Mark this post and the followings unread

http://electro-music.com/forum/topic-45231.html
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PostPosted: Fri Jul 20, 2018 1:29 pm    Post subject: found this one already (on this site) Reply with quote  Mark this post and the followings unread

Answering my own question....

So this is where I'll start.

http://electro-music.com/forum/topic-45231.html

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Blue Hell
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Joined: Apr 03, 2004
Posts: 22587
Location: The Netherlands, Enschede
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PostPosted: Fri Jul 20, 2018 1:32 pm    Post subject: Reply with quote  Mark this post and the followings unread

for a super simple VCA ... http://electro-music.com/forum/topic-23960.html for instance .. but there are more simple circuits in the Lunetta section here.
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