[sdiy] simple vcf

[Gavin]

I like this design quite a bit, particularly because it employs a VCA too. 
What op amps have you had the most success with?
----------
>From: René Schmitz <uzs159 at uni-bonn.de>
>To: "Gavin" <elmystico at earthlink.net>
>Cc: synth-diy at dropmix.xs4all.nl
>Subject: Re: [sdiy] simple vcf
>Date: Sat, Oct 19, 2002, 4:56 PM
>

>At 14:51 19.10.02 -0400, you wrote:
>>Hey all,
>>I'd like to build a real simple VCF, it doesn't need to track a VCO, just do
>>sweeps based on an input control envelope.  I'd like to develop a design
>>that doesn't use OTA's.  Has anybody seen or worked on anything like this?
>
>Hi Gavin,
>
>maybe this one here http://www.uni-bonn.de/~uzs159/vcf4007_s.gif fits the bill.
>Some of the resistors need to be dimensioned, but that would depend on your 
>control voltages anyway.
>
>Cheers,
> René
>-- 
>uzs159 at uni-bonn.de
>http://www.uni-bonn.de/~uzs159
>
> 
>