[sdiy] monolithic VCO chips for FM??

James Patchell patchell at cox.net
Fri Aug 20 01:43:52 CEST 2004


It depends on what exactly you want to do with them.  Monolithic oscilators 
that are availiable are the 8038, XR2206, XR2207...plus a few others.  If 
you want to use these as pitch sources for a synth, well, in my opinion, 
forget it.  Those parts have problems that cause them to me non-linear, 
some a quite bad.  If you are not concerned with pitch, any of those will 
work.  Otherwise, I would stick with a tried and true VCO like the TM 
(ASM-1) type....

-Jim

At 10:44 AM 8/19/2004 -0600, synthplayer88 at spymac.com wrote:
>Hi guys,
>Just wondering if there is an offshelf monolithic VCO chips available out 
>there?
>It would really make the circuit much smaller and easier to make, am thinking
>about building a multi VCO circuit with patching points for some FM, may 
>be there
>is a kit out there? :)
>
>Thanks again!
>
>You guys are an AWSOME bunch!!!!! :)
>
>Can't wait to do some patching and knob tweakin!!!! Well, I'll need to do some
>soldering first......
>
>
>
>---- Introducing Spymac MailPro: http://www.spymac.com/mailpro/

         -Jim
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