[sdiy] 3 bit A to D with hysteresis?

[Gergo.Palatinszky at nokia.com]

Hi,

Grant Richter do a two bit from LM3900... might can be extended
http://www.musicsynthesizer.com/Circuitry/varilogic.htm 

Br,
	Pala

>-----Original Message-----
>From: owner-synth-diy at dropmix.xs4all.nl 
>[mailto:owner-synth-diy at dropmix.xs4all.nl] On Behalf Of ext Paul Perry
>Sent: 2006. október 23. 16:20
>To: synth-diy at dropmix.xs4all.nl
>Subject: [sdiy] 3 bit A to D with hysteresis?
>
>Is there an elegant way to make a simple & cheap
>3 bit A to D  with hysteresis?
>I'm hoping to have a footpedal give a control voltage that 
>drives a 3 bit output counter, but wiht hysteresis so there is 
>no problem of being stuck on the edge & stuttering.
>Maybe there is an 'obvious' solution applicable to all A to D 
>converters?
>(yeah, I know...... use a micro...... but before I do....)
>
>paul perry melbourne australia
>