[EFM] You got a brand new pair of roller skates...

Harry Bissell harrybissell at prodigy.net
Fri Apr 14 05:57:09 CEST 2000


ACTUALLY I just stumbled into a really nice VCF8e mod... and so easy
(I'm pissed i've been working for days... Just solder one red LED across
the 33K resistor
in the GAIN stage OTA (resonance). I prefer Cathode to ground polarity.
Gives
Asymmetrical limiting if you crank hard, and inproves the input dynamic
range. I can go up to 2-3 volts without totally killing the res....

Works better than the three diodes and the diode breakpoint circuit, and
fits on the
board !!!

H^)

tomg wrote:

> > I got a Sallen-Key...
>
> You're going to get another too!  Stop trying to fix those things or
> you'll go batty!! They are naturally nasty and they like it that way.
> Try to keep the res pot settings low or you might start playing
> acid Harry!.....;-)
>
> The new...uh...ah....damm....VCF12..4P s&k...2040 sounding
> all 13600 thing is comming it's exactly what you want. Might be
> what a lot of people want...;-)  It's very very smooth .....I'm a
> horriable tease sometimes...
>
> Tom
>




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