[sdiy] Walsh experimenter's board info up

[Tim Ressel]

Walsh functions are like fourier synthesis, but
instead of adding together sine waves it adds together
pulse trains that have useful spectral content. See
the article here for a better explanation:
http://home.comcast.net/~t.ressel/walsh.html

--TimR

--- John Mahoney <jmahoney at gate.net> wrote:

> Tim,
> What is the so-called Walsh chip in your circuit?
> (Maybe I missed a 
> background post on this.)
> --
> john
> 
> 
> At 05:05 PM 8/26/2006, Tim Ressel wrote:
> >Yo,
> >
> >I -->finally<-- got around to putting this up on
> the
> >web page:
> >
> >http://home.comcast.net/~t.ressel/walshex.html
> >
> >Schematics for the unsuccessful first board and for
> >the second attempt. Anyone interested in inveited
> to
> >check out the schematic and see if you can find
> errors
> >or have comments or questons.
> >
> >If you poke around you'll also find pics of what I
> do
> >at work.
> >
> >"Never put off until tommorow qhat you can put off
> >until next week."
> >
> >--TimR
> 
>