AW: Common supply

[Merlin Zener]

Haible Juergen wrote:
> 
>         >Btw, I'm a bit reluctant to replacing a couple of wws by a single
> PSU.
>         >All those warts have separate grounds, this doesn't have to be
> signal
>         >ground. Worst case would be a device having the wart's + connected
> to
>         >signal ground. Even in other cases there could be a ground loop.
> And then
>         >there are AC warts as well...
>         >Call me nuts, but separate wall warts are part of a healthy ground
> setup.
> 
> Call you nuts ? This was the first sane answer to this question.
> 
> JH.


As I wrote a while ago, I used to make up custom made supplies for 
people who needed this kind of thing. I used hand wound toroids
with seperate windings for each rail.

Not cheap...

-- 
Merlin Zener                            mailto:merlin at ion.com.au
Piano and Synthesizer               voice: (+61) (0) 418 779 594
Gold Coast, Australia              http://www.ion.com.au/~merlin

"No-one ever went blind from looking on the bright side of life"