SV: Re: [sdiy] Wanred (dead or alive) : Pot

[karl dalen]

4066, 4053,4051, PWM and dead band comparators to set
OFF position! PWM at 100Khz. Gives mix and switch
in many possible ways! Ugh!
 

KD
--- harrybissell <harrybissell at prodigy.net> skrev:

> The center tap is the most efficient way imho.
> 
> Any other great ideas out there ???
> 
> H^) harry
> 
> WeAreAs1 at aol.com wrote:
> 
> > In a message dated 8/16/05 7:24:53 PM, harrybissell at prodigy.net writes:
> >
> > << I want to do a 'center off' mixing function. Turn left, it
> > goes left only and the right is dead. Turn right, it goes
> > right only and the left is dead. >>
> >
> > These pots would be a boon for Synth DIY.  There was a similar pot in the
> old
> > EML101 modular synth -- it was used for mixing the various multimode filter
> > taps, as I recall -- although I don't think it had a center detent.  I
> wonder
> > if there might be a way to simulate it electronically (umm, without using a
> > handful of VCA's...)  I have seen audio mixers that had aux send pots that
> > behaved this way.  That is, turn it CW to turn up Aux A (only), turn it CCW
> to turn
> > up Aux B (only), put it in the center to turn them both off.  It may have
> been
> > on some kind of Roland line mixer, like the M-16e or something like that.
> >
> > MJB
> 
>