[sdiy] discrete/no-OTA VCO

[Aaron Lanterman]

On Dec 28, 2008, at 7:26 PM, Dan Snazelle wrote:

> i was looking over THE korg X911 the other day and thought (might be  
> wrong) that the VCO was SIMPLY A FEW TRANSISTORS, A JEFT AND AN  
> OPAMP? (AS WELL AS SOME DIVIDERS FOR DIFFERENT OCTAVES?) MIGHT WORK  
> AS A STARTING POINT?

Dunno about the X911, but a lot of the old Korg's I've seen use BJTs  
set up in a "thyristor" configuration.

- Aaron