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--- In Doepfer_a100@yahoogroups.com , "shm1400" <shm14@h...> wrote:
> Just remembered, the Buchla 285 balanced modulator does this. Any
> others
>
> --- In Doepfer_a100@yahoogroups.com , "shm1400" <shm14@h...> wrote:
> > By the way, I forgot to mention that my example below requires a
> DC
> > coupled ring modulator, so it will not work with the A114, though
> it
> > works with a PAIA 9710. It might also work with the Doepfer A-
133
> > Polarizer, though I don't have this module yet and haven't tried
> > it. If anybody has a 133 one and feels like trying the patch,
> > please let me know if it works.
> >
> > --- In Doepfer_a100@yahoogroups.com , "shm1400" <shm14@h...> wrote:
> > > The recent poll on the Nord Modular style clocked random
> generator
> > > got me thinking about the Nord Modular's ring modulator. It
has
> > an
> > > additional control that varies the modulation from ring to AM
to
> > > none, which can also be "voltage" controlled. This is
extremely
> > > useful and I don't know of an analog ring modulator that does
> this
> > > out of the box.
> > >
> > > I have been trying to do something similar using existing
> > modules.
> > > It is my understanding that ring modulation differs from AM in
> > that
> > > the carrier is inverted when the modulator is negative. Also,
in
> > the
> > > Nord, when the control is zeroed and there is no modulation, it
> > > simply passes the carrier unaltered.
> > >
> > > So, to model the nord's ring modulator, I have started by
adding
> > an
> > > offset to the modulator so that it is all positive (or, better,
> > > negative), then attenuating the signal with a VCA (this
> > attenuation
> > > is the "ring to am to nothing" control) then adding another
> offset
> > > to make the modulator AC again when the VCA is full open, and
> > > sending that signal to the ring modulator's modulator input.
> > >
> > > Is this correct Does anybody have an easier way of
> accomplishing
> > > this same end Does anybody know of an analog ring modulator
> that
> > > does this without outboard stuff Hey, could this be an idea
> for
> > a
> > > new module