Bernd Grunwald wrote:
>
> On Wed, 3 Sep 1997, Joost Kooij wrote:
>
> Hi Joost Kooij,
>
> [..}
> > > Does anyone know how efficient normal transformers (230V => e.g. 6V) with
> >  diode
> > > based rectifiers are? If it is high enough so that a DC/DC switching
>  regulator
> > > like the LM2574-5.0 (only about 77% efficiency :-( ) could be used? This
>  would
> > > be pretty easy, because the mentioned inductors are very easy to get ...
> >
> > Why do you care so much about efficiency if you are going to feed it
> > from mains voltage anyway?
>
> I have already many devices at home that run 24hours a day (2 video recorder,
> sat receiver, TV`s, ...) and I want to reduce costs ... So, why waste lots of
> energy for *nothing* ????? (I have more efficient possibilities to heat my
> rooms ;-) )
>
My PC's doing a great job to help me through winter!
I love my monitor in winter, but she's a bitch in summer....
--
Eric van Es               | Cape Town, South Africa
mailto:vanes@ilink.nis.za | http://www.nis.za/~vanes
LOOKING FOR TEMPORARY / HOLIDAY ACCOMODATION?
http://www.nis.za/~vanes/accom.htm