Doepfer

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@yahoo.com> 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]
>  >
>
>