> One does...  the other is a switcher.
>
> On Mon, 2 Jul 2001, Michael C. Reid wrote:
>
> > your bench power supply has this thing called a transformer that
isolates it
> > from the main power input!
> >

<SNIP>
>>>if you like the idea of DC being introduced into the power grid of your
home.
> >
> > Ummm...  no more than my bench power supply does.
> >
> > Dale

Seriously, could this "pulsed DC" load on the line really cause any ill
effects with other equipment?  I have never heard of this and am extremely
curious.  What about equipment that, say, contains a bridge rectifier for
example with no isolation transformer?  Wouldn't this be a "DC injector"
load on the line also?  Would there be a difference between full wave and
half wave rectifiers?  I am trying to imagine the flow of the DC current.
IOW, How does this work?

michael

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