[sdiy] positive/negative envelopes...

[René Schmitz]

That can be done with the circuit I attached. 

Cheers,
 René

At 09:15 15.07.02 -0700, you wrote:
>Hello all-
>
>Anyone have an idea how to implement positive/negative going envelopes from a positive
>envelope with one pot and one op-amp?
>
>I would like to put in a control that works like this:
>
>
>
>           neg    0    pos
>           ---/\/\/\/\---     VCF Env amt
>                  |
>		  |
>                 
>
>See what I am saying?
>
>I'm pretty sure this is possible, I just can't remember how to do it....
>
>			-Duane
>
>
>
>-- 
>        
>
>       "A word to the wise ain't necessary. It's the stupid ones
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