[sdiy] Serge LM3900 VCO

[stew]

Thanks Steve,

I was really only interested in this circuit if it had accurate scaling. I did doubt that it would.
I'll start a new thread for my next question....

Cheers,
Stew.



> Steve Ridley <spr at spridley.freeserve.co.uk> wrote:
> 
> The early Serge VCOs were designed as a cheap
> DIY project around 1972. They were roughly
> exponential, but forget any sort of accurate
> v/oct scaling. Designed more as a cheap Buchla
> than a cheap Moog - playing tunes to whales etc.
> They were usually used with these:
> 
> 
> http://www.cyndustries.com/synapse/synapse.cfm?pc=43&folder=march1977&pic
> =31
> 
> 
> instead of a keyboard. Serge replaced them with
> the (vastly better) PCO and NTO around 1976.
> 
> 
> If you're still interested, Ken Stone's site has
> plenty of info about early Serges.
> 
> 
> 
> 
> Steve
> 
> 
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