I think it works in theory. It might be hard to get the tracking
exactly to scale though.

I was just browsing the Doepfer site and found this planned module
that is supposed to have a Hz/V to Oct/V converter function. Looks
like a barrel of fun.

http://www.doepfer.de/A100_ADDA.htm

On 7/11/08, partlydrone < partlydrone@... > wrote:
>
>
>
>
>
> > > Also, I think if you put a small fixed voltage into the "audio in"
> in an
> > > exponential VCA and then use the linear Hz/V CV to modify the
> amplitude, and
> > > set the CV attenuation right, then you will get the desired V/Oct
> response.
>
> ooh do you think an osc with linear fm in wouldnt help, because it's
> not just osc control i'm after, i'm hoping to get vaguely keyboard
> scaled control on my frequency shifter and my a112 pitch shifting /
> sampler.
>
> if people reckon the hz/v keyboard controlling an exp vca solution is
> the one then i'll do it.
>
> there's a korg ms-02 log amp schematic about but i just can't face
> building something to do this, i think i'd give up and go with an ugly
> v/oct controller.
>
> --- In Doepfer_a100@yahoogroups.com , "Monroe Eskew" <monroe.eskew@...>
> wrote:
> >
> > or rather, large fixed V
> >
> > On Fri, Jul 11, 2008 at 7:27 PM, Monroe Eskew <monroe.eskew@...>
> > wrote:
> >
> > > Also, I think if you put a small fixed voltage into the "audio in"
> in an
> > > exponential VCA and then use the linear Hz/V CV to modify the
> amplitude, and
> > > set the CV attenuation right, then you will get the desired V/Oct
> response.
> > >
> > >
> > > On Fri, Jul 11, 2008 at 7:06 PM, Monroe Eskew <monroe.eskew@...>
> > > wrote:
> > >
> > >> The A111 has linear FM.
> > >>
> > >>
> > >> On Fri, Jul 11, 2008 at 5:17 PM, partlydrone <partlydrone@...>
> > >> wrote:
> > >>
> > >>> I have a lot of Hz/V gear - massive old paia modular and ms20 etc.
> > >>>
> > >>> Is it a really stupid idea to try and use my ms20 to control my
> > >>> doepfer I don't have a conventional keyboard to control it at
> all at
> > >>> the mo, but it would be nice. Is there a doepfer module that does
> > >>> antilog conversion or whatever Is it one of those ideas that is
> > >>> theoretically possible but would actually be a massive pain in
> the bum
> > >>> in practice, causing heartache, frustration, and cat-kicking Anyone
> > >>> tried it
> > >>>
> > >>> Would be great, because ms20 and my beautiful bespoke doepfer
> box are
> > >>> the only kit i use these days really, and it would be
> ubercompact and
> > >>> beautiful to look at as a pair.
> > >>>
> > >>>
> > >>>
> > >>
> > >>
> > >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>