[sdiy] CV dispatcher : analog or digital ?

[harry]

If you study the Juergen Haible interpolating scanner you will find such a
puppy.
Don Till has a similar circuit.

H^) harry

patchell wrote:

>     I am using a circuit I took right out of the analog devices
> non-linear handbook.
>
>     You will find the circuit, somewhere, in this schematic
> http://www.silcom.com/~patchell/smb1/smb.pdf.  Each function fitter uses
> 2 quad opamps and 1/2 of an OTA.
>
> jbv wrote:
>
> > Dear [sdiy] list,
> >
> > Here's a problem I've had in mind for a while.
> > The project could be called "CV dispatcher" and follows
> > the rules described in the following schemo :
> >
> >     http://perso.wanadoo.fr/jbv.silences/DIY/CV.jpg
> >
> > In brief : there's 1 CV input and several CV outputs.
> > A "peak" of 0v to 1v (and back to 0v) appears on one of
> > the outputs according to the interval (1 to 2v, 2 to 3v, etc.)
> > of the CV input.
> >
> > I can do that with a simple ADC -> uC -> DAC -> S&H.
> > But I was wondering how this could be done the analog way...
> > Lots of op-amps I guess...
> >
> > Which version would be the easiest (in terms of design,
> > number of components, cost, PCB room...) ?
> >
> > Thanks.
> >
> > jbv
>
> --
>  -Jim
> ------------------------------------------------
> * Visit:http://www.silcom.com/~patchell/
> *-----------------------------------------------
> *I'm sure glad Merry Christmas comes just once a year
> * -Yogi Yorgensen
> ------------------------------------------------