[sdiy] DCO ramp core / capacitor discharge transistors

[Aaron Lanterman]

On Dec 16, 2008, at 6:00 PM, Dave Manley wrote:

> I can't name them off the top of my head, but there are VCO designs  
> that use an NPN transistor instead of a FET for the timing cap  
> reset.  I might have time to dig through some schematics tonight...

The MOTM VCOs use a sawtooth core with a BJT as the discharge switch.  
I think Paul S. mentioned that the Emu VCOs did something similar, but  
I can't recall for sure.

- Aaron