Mike Long writes:
> 
<...>
> FYI for anyone who wants to work on this code:  ADI datasheets are
> available from <URL:http://www.analog.com>.  The AD1848 data sheet is
> not online because it's too old, but there is one for its successor
> the AD1845: <URL:http://www.analog.com/adibin/locate?AD1845>.  It's in
> Adobe Acrobat format (.pdf), so you'll have to get a reader working on
> your machine.

FYI, there is a free pdf viewer available in source form called xpdf, and
also, the new version of Aladdin Ghostscript (4.0) can convert .pdf to .ps.

Mark