[sdiy] Looking for VCO schematic in a rush, and can't find. :(

James Patchell patchell at cox.net
Wed Mar 1 19:03:29 CET 2006


http://www.oldcrows.net/~patchell/synthmodulesII/200-1007.pdf

uses MAT04

At 12:48 PM 3/1/2006 -0500, Rykhaard D.A.M.I.A.N. wrote:
>I've just gotten 2 of each samples in (MAT-04 and SSM2210 matched NPN
>pairs), and in a rush before work - searched my links and computer for
>appropriate VCO schematics - +/-15VDC main power supplies, and can't
>find. :(  Everything I found was +/-12VDC related.
>
>(Perhaps I shouldn't do something in a rush? ;)  I've stopped for the
>day, with only an hour left to build before work).
>
>Would anyone have any URLs handy for VCO around either, at +/-15V, or
>..... a general rule of thumb, for bringing a 12V one to 15V?  :)
>(I'm wishing to maintain my accuracies here).
>
>My goal - is to take a VCO schematic, and reduce it to a buffered Saw
>waveform only - to come up with a mini-VCO.  All waveshaping will be
>taken care of in a separate panel of waveshapers.  (This is so that I
>can get hopefully, 4 mini-VCOs into a 2U rack panel.  Space
>conservation. :)  I figured on this - as all waveforms from each VCO,
>aren't always used - therefore, I should shrink it down to a Saw only
>(my most used wave in general) and have a lesser quantity of
>waveshapers available for alternate waveforms. :)
>
>Thanks for any help.  I hope to get my first saw core, up and running
>tomorrow with 1 of these above samples that came in. :)
>
>
>--
>Take care,
>Warmth and Peace,
>Ryk
>
>http://deathlehem.bravehost.com/damian.html - my modular synthesizer,
>D.A.M.I.A.N.;s webpage - Feb. 2606 update :)

         -Jim
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