[sdiy] More AD1866 DAC ?'s

William Berzinskas WBERZINSKAS at nc.rr.com
Wed Dec 1 22:50:59 CET 2004


so, how would i represent that -# in my program?
----- Original Message ----- 
From: <jays at aracnet.com>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Wednesday, December 01, 2004 4:29 PM
Subject: Re: [sdiy] More AD1866 DAC ?'s


> It's a 16 bit DAC and you're dealling with 2's complement numbers. So your
numbers go from -32768 to +32767.
>
> Jay S.
>
>
> William Berzinskas <WBERZINSKAS at nc.rr.com> wrote :
>
> > Hey everyone..
> >  
> > I've got this going for the most part..  i'm
> > running my ad1866 off of my pic..  and generating some signal, and
all is
> > good..
> >  
> > ALMOST...
> > When i send values over ~35000, it actually starts
> > coming back down again..   for instance,  if i make a
triangle
> > wave (just counting up and back), it comes out great if i use 30000 as
the high
> > side..  then if i change it to 60000, the nice pointy triangle
looks more
> > like the letter M..  
> >  
> > HELP!  :-)
>
>




More information about the Synth-diy mailing list