[sdiy] tri VCO for Ring Mod?

[James Patchell]

You can also use an OTA for doing the current steering..., the one of Fritz 
site is a good design...(not to say that Bergfors isn't...I just haven't 
seen it).  I have also used THAT140s (Now THAT340s) to do the same 
thing.  They work pretty good.



At 04:56 PM 12/23/2005 -0500, Michael Ruberto wrote:
>Hello,
>
>Since I came into possesion of a lot of AD632 multipliers I am thinking of 
>building a nice stand-alone Ring Mod effect box. I would like the unit to 
>include a carrier VCO with sine and tri waves. I have been searching for 
>triangle VCO designs and saw some nice ones from Fritz and Bergfors. Has 
>anybody else tried constructing these?
>
>Anyone know of a tri core VCO that doesn't require expensive matched PNPs?
>Or how about some inexpensive matched PNPs?
>
>Also I would love some more ideas for features to add to my effect.
>
>Thanks!
>
>M. A. Ruberto
>
>PS: Merry Christmas!!!
>
>

         -Jim
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