Instead of jumpers, how about toggle switches Just an idea.

--- In Doepfer_a100@y..., "ringmod45" <ringmod45@y...> wrote:
>
> hi Bakis, thanks a lot for the info. i think this a nice solution.
it
> gives the option to the end user to configure the inputs for the cv
> in's of a module. i also like the jumpers idea, if you want more
than
> 1 set of inputs and attenuators, say one set for the frequency cv
in
> and one for the resonance cv in, for a module. also the ability to
> configure the number of inputs and attenuators differently, to
> accommodate for different functions is a nice bonus. all in all, a
> truly modular approach. Kudos.
>
> regards,
> RM
>
>
>
> --- In Doepfer_a100@y..., bakis Sirros <synth_freak_2000@y...>
wrote:
> >
> > --- Dieter Doepfer <hardware@d...> wrote:
> > > From: "Dieter Doepfer" <hardware@d...>
> > > To: "bakis Sirros" <synth_freak_2000@y...>
> > > Subject: AW: 1 Re: the updated a107
> > > link!!!
> > > Date: Mon, 18 Nov 2002 18:01:18 +0100
> > >
> > > There is always a discussion how many CV inputs with
> > > and without attenuators
> > > should be available for a certain function of a
> > > module. We discuss this matter
> > > since many months (or even years) and one solution
> > > would be the following: We
> > > could manufacture a passive module with e.g. 5 input
> > > sockets with attenuators
> > > that could be used to extend the control input of an
> > > existing module. Nearly
> > > each voltage controlled parameter of the modules has
> > > a so-called summing node
> > > available (for experts: inverting input of the
> > > summing operational amplifier
> > > with vurtual GND level). This node is used to add up
> > > all control voltages for
> > > the function (e.g. for the A-111 VCO the 1V/oct
> > > input, the manual coarse and
> > > fine tune, the octave switch and the CV input with
> > > attenuator). It would be
> > > possible to add more CVs to this summing node. All
> > > we had to do is to publish
> > > the summing nodes for all modules. The output of the
> > > new passive extension
> > > module would have to be soldered to the summing node
> > > of the module in question.
> > > With different jumpers available at the passive
> > > extension module it would be
> > > possible to divide the 5 inputs and attenuators so
> > > that they could be used
> > > together (i.e. 5 inputs for one parameter) or
> > > divided as desired (e.g. 3+3 or
> > > 4+1 or even 1+1+1+1+1). If someone is familiar with
> > > electronics of course he
> > > could do this extension himself (simply one jack
> > > socket + potentiometer +
> > > resistor required).
> > >
> > > How about this solution that would work nearly for
> > > each voltage controlled
> > > parameter of the A-100
> > >
> > > Dieter Doepfer
> > >
> > >
> > >
> > >
> > > > -----Ursprüngliche Nachricht-----
> > > > Von: bakis Sirros
> > > 2
> > > > Gesendet am: Montag, 18. November 2002 14:55
> > > > An: dieter doepfer
> > > > Betreff: Fwd: 1 Re: the updated a107
> > > link!!!
> > > >
> > > >
> > > > --- ringmod45 <ringmod45@y...> wrote:
> > > > > To: Doepfer_a100@y...
> > > > > From: "ringmod45" <ringmod45@y...>
> > > > > Date: Mon, 18 Nov 2002 01:44:21 -0000
> > > > > Subject: 1 Re: the updated a107
> > > link!!!
> > > > >
> > > > >
> > > > > hi Bakis,
> > > > >
> > > > > the feature set for the module is amazing, it is
> > > > > very good
> > > > > considering the price. the layout of the A107
> > > module
> > > > > is very packed
> > > > > and well laid out. however, one little niggle,
> > > there
> > > > > is only one
> > > > > input and pot for the frequency in on the
> > > module.
> > > > > these are the
> > > > > results from the poll concerning the issue of
> > > the
> > > > > frequency input and
> > > > > pots.
> > > > >
> > > > > would you like to have an extra Voltage Control
> > > > > Input with an
> > > > > Attenuator (i.e. one fixed input and two inputs
> > > > > with Attenuators
> > > > > like the A120) 17 14.41% that's 17 out of 19
> > > > > voters.
> > > > >
> > > > > i think there should be at least one dedicated
> > > > > 1v/oct input and then
> > > > > at least one variable input jack and pot added
> > > to
> > > > > the module. this
> > > > > would add value to the module not having to buy
> > > a
> > > > > mixer for the
> > > > > frequency input. if this the final layout for
> > > the
> > > > > module, you will
> > > > > need a mixer to have an extra modulation to
> > > control
> > > > > the frequency
> > > > > input. also if you need to have a precise 1v/oct
> > > > > modulation source at
> > > > > the frequency input and say an lfo as well,
> > > would
> > > > > this compromise the
> > > > > 1 v/oct source, if mixed together with a linear
> > > > > mixer
> > > > >
> > > > > anyone Mr.Doepfer
> > > > >
> > > > > Regards,
> > > > > RM
> > > > >
> > > > >
> > > > > --- In Doepfer_a100@y..., bakis Sirros
> > > > > <synth_freak_2000@y...> wrote:
> > > > > > hi list,
> > > > > > check out the updated a107 link!!it containes
> > > the
> > > > > pic
> > > > > > of the a107!!and some additional features,too!
> > > > > > bakis.
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > =====
> > > > > > synthfreak(parallel worlds)
> > > > > > athens-greece
> > > > > > 1 group owner-moderator
> > > > > >
> > > > > >
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