[sdiy] looking for CASIO 1v/Oct mods ??

[James Patchell]

Theres one...the DAC08 is another incarnation of the MC1408....I have used 
these as well.

At 06:53 PM 11/28/2004 -0800, Scott Stites wrote:
>DAC08 works fine for me for keyboard use.
>
>Using Jim as heat shield.
>
>Scott
>
>
>----- Original Message -----
>From: "James Patchell" <patchell at cox.net>
>To: "Joel Kirchartz" <joel_kirchartz at hotmail.com>;
><harrybissell at prodigy.net>; <synth-diy at dropmix.xs4all.nl>
>Sent: Sunday, November 28, 2004 3:59 PM
>Subject: Re: [sdiy] looking for CASIO 1v/Oct mods ??
>
>
> > Boy, now you have opened a can of worms....:-)
> >
> > I personally have had very good luck with many different DACs.  Each dac
> > has different strengths.
> >
> > One I have used is the MC1408.  This is a very old design, and there are
> > several different part numbers you can get it by (I don't remember what
>the
> > others are).  When you are just producing voltages for keyboard notes, you
> > really only need six bits (this will produce about 5 octaves, or 64
> > notes).  I have never noticed any accuracy problems doing this.
> >
> > Another DAC I have used (and am currently using) is the AD7548JN, which is
> > a 12 bit DAC.  This part can be a bit more difficult to find, as most
> > places want to sell it in 100's.  It is also a little more tricky to use.
> >
> > Personally I would say start out with the MC1408 and see what it will do.
> >
> > Now, pardon me while I put my flame proof suit on.
> >
> >
> > At 05:41 PM 11/28/2004 -0500, Joel Kirchartz wrote:
> > >Yah, sorry, I meant EFM .... do you have any suggestions on a particular
> > >d/a converter that would do the trick ??
> > >
> > >~kirch
> >
> >          -Jim
> > ***************************************************************
> > http://www.oldcrows.net/~patchell
> >
> > ***************************************************************
> >
> >

         -Jim
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http://www.oldcrows.net/~patchell

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