[sdiy] Digital keyboard interface

[patchell]

    The MC1408 would probably best be used over a 5 octave range (but,
that is just my opinion).

    Still, trouble making it work...?

    The MC1408 I believe is the same as the DAC0800.  I always forget to
tie pin one to ground.

Karl Ekdahl wrote:

> Hi all, i'm trying to build a digital keyboard
> interface using a mc1408 d/a converter but i can't
> even get the damn chip to respond (i'm a beginner at
> analogue techniques but i know digital). Has anyone
> any experience of these chips and/or making digital
> keyboard interfaces?
>
> This is a 8-bit d/a, i was thinking of dropping the
> least significant bit thus getting 10 octaves + 8 keys
> to play with. I thought of using a tranciever and a
> short "decay" to prevent several keys from being
> depressed at the same time.
>
> thanks
>
> Karl Ekdahl
>
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--
 -Jim
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