Power Supply Questions

[KA4HJH]

>Does anybody know an easy scematic that would create a bipolar 9vDC from
>a 12vAC wallwart, I have a 12vDC Bipolar that runs off this wall wart, I
>have plenty of amperage to spare (800ma should be enough for simple
>stuff right?) and I'd like to run some circuits at a different voltage.
>Could anyone help?
>Rob Rickner/Cut Generic

If you already have a bipolar 12V supply with enough capacity you 
could simply regulate that down to 9V.

If you want to build something starting from AC...

http://www.blacet.com/tech.html

Terry Bowman, KA4HJH
"The Mac Doctor"

ICQ: 45652354