[sdiy] Korg ms20 sync vco mod

[Dan Snazelle]

HELLO THERE Motohiko TAKEDA

I have been a big fan of your site for a long time. I always check it for stuff. I have a question though. A few of your schematics (vco's i think) have REF of the schematics. (voltage reference)

I have no experience with References so i was wondering, what can go at the REF point? In this schematic it looks like a 78l05 provides the REF. does that work in all your schematics?

anyone else want to chime in on what REF means? I assume it makes your VCO's more stable but i dont run into it often.

THANKS


p.s. any new circuits on the site??


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> Date: Fri, 6 Jun 2008 17:11:29 +0900
> From: takeda at aleph.co.jp
> To: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Korg ms20 sync vco mod
>
> Hi, K. and Lists.
>
> How about this for adding Sync for korg ms20 ?
> http://www.aleph.co.jp/~takeda/radio/harvest/img/schem/DualTBVCO3a-schem.gif
> this is my experimetal shcem.
> Check around Q7 and Q13.
>
> cheers.
> Motohiko Takeda
> Tokyo, Japan.
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