On Tue, 10 Dec 1996, peter cousens wrote:

> Mark A. Corio wrote:
> >
> > Hi again,

[...]

> The only practical way to isolate mains is via a transformer
> A power supply using caps for isolation would only be possible
> using very high frequence. It would cost more and would
> have limited isolation only
> As you say your app. cannot be totally isolated then
> a transformer looks like the only option
                               ^^^^

What's about a light source (light-bulb connected to AC) and some
solar-cells ?  :-)

bye

Bernhard Schweighofer alias schweigi@sbox.tu-graz.ac.at
(Student at Graz University of Technology, Austria)