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Cgs synth

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Re: CGS26 Analog Logic :: combined inputs

2009-09-01 by gddfp

Thanks, Ove !

After some more thinking, I decided to stick with the separate inputs, and use the leftover space for an additional boolean logic mini-module (some XOR/XNOR).
Appreciate your input, though !

_g


--- In cgs_synth@yahoogroups.com, Ove Ridé <nitro2k01@...> wrote:
>
> Sorry, that mail wasn't finished... I was going to search for teh
> CGS26 schematic, but pressed send instead of save in GMail.
>
> http://www.cgs.synth.net/modules/pic/schem_cgs26_analogic.gif
> If this schematic is still valid you should be able to connect the
> input with no problem. The pulls are mainly there to define a default
> value, and shouldn't interefere, not noticably anyway.
> If it does, one of the gates (either 'and' or 'or') will be silent
> because it's stuck in the "wrong" state, which is 0 for 'and' and 1
> for 'or'.
> (0 AND anything = 0, 1 OR anything = 1)
> If this happens, even though it shouldn't, decrease all six of the
> pulls to something slightly lower, maybe 68k or 47k.
>
>
> 2009/8/31 gddfp <guy@...>:
> >
> >
> > I wish to set up this module's panel in a manner as practical as possible
> > (for me).
> >
> > So I'd like to have some sort of "combined inputs", having these going to
> > both the AND and OR sections at the same time.
> >
> > I understand that this isn't directly possible due to interference between
> > the pull-up and pull-down resistors at the inputs, but I was wondering if
> > there's any other way to accomplish this ? I've got some extra space left on
> > the panel, where I could place extra inputs or switches or something...
> >
> > cheers,
> > _guy
> >
> >
>
>
>
> --
> /Ove
>
> -----BEGIN 2ROT13 MESSAGE-----
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>
>
>
> --
> /Ove
>
> -----BEGIN 2ROT13 MESSAGE-----
> Blog:
> <http://gameboygenius.8bitcollective.com/>
> SKRIVA på Lysator. Ditt Ahrvid-fria alternativ:
> <http://lists.lysator.liu.se/mailman/listinfo/korkek?SKRIVA?>
> Sätt på ett par flipflops, vippa på rumpan
> och gör det här till en minnesvärd sommar!
> -----END 2ROT13 MESSAGE-----
>

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