Cgs synth

Richard Brewster, I sent you an email, let me know if you get it.

Thanks,
Cole

--- In cgs_synth@yahoogroups.com, Richard Brewster <pugix@e...> wrote:
>
> Look carefully and you will see two different frequency modulation
> inputs. CV1, CV2, TUNE, and the 1V/oct inputs are the exponential
> inputs. These are the normal ones you use to make the VCO follow a
> keyboard, etc. These are DC coupled (no capacitor). It is the LINEAR
> FM inputs that have the AC and DC on them. Linear FM typically uses
the
> AC coupling capacitor to avoid weird offsets. You usually put an audio
> frequency signal here for special modulation effects. If you have
> limited panel space you may want to use only the AC coupled linear FM
> input. My CGS VCO has a 1V/Oct FM input, plus a general FM input jack
> with attenuator. I have two switches following that: one to route to
> the exponential vs the linear input, and one for AC/DC that just shorts
> the capacitor for DC coupling.
>
> If building this VCO you should compare the ASM-1 VCO, which is
> similar. Do a web search an you find lot of information and schematics
> for the ASM-1.
>
> -Richard Brewster
>
> Gerald Stevens wrote:
>
> >Cole,
> > The outputs and inputs are listed in the PCB connections table on
the VCO
> >webpage. I'm about to start drilling out a panel for the board, which I
> >stuffed last weekend. What I want to know is, why two FM inputs (DC
and AC)?
> >What does a D/C component do to FM, offset the pitch? Can someone
give me an
> >example of the use of a D/C coupled FM input?
> > thanks,
> > -gerald
> > On 10/12/05, brownchonald <chonald@g...> wrote:
> >
> >
> >>What are my options for the outputs and inputs on the CGS VCO?
> >>
> >>I'm wanting to order two PCBs. But am not sure what to make the front
> >>panel look like.
> >>
> >>Will anyone help me out?
> >>
> >>Cole
> >>
> >>
> >>
> >>
> >>
> >>The CGS Modular Synth home page: http://www.cgs.synth.net/
> >>
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