hams on classiccmp
ard at p850ug1.demon.co.uk
Tue Jan 20 15:39:33 CST 2009
> >> they used to come with wall warts and now come with tiny little
> >> bricks with a mains-cord socket rather than mains prongs instead.
> >> They appear to be switchers, which has good sides and bad sides....
> > You may find those SMPSU blocks will work from either 115V or 230V
> > mains with [no] user adjustments.
> They're marked that way, certainly: "110-240VAC 50/60Hz". That's one
> reason I suspect them of being switchers.
Of course in general SMPSUs are lighter than linear supplies of the same
output power. So if these brickes seem light, they're probably switchers.
> > I assume the input connector on the SMPSU is either an IEC plug or
> > one of those figure-of-8 connectors, or at least something stnadard.
> Figure-of-8? I suspect you're probably talking about the same thing,
> even though it doesn't quite look like most fonts' 8 to me. Here's a
'Figure of 8' is the common (although incorrect for many reasons) name
for the normal 2 pin main connector you find (found?) on cassette
recorders, radios, etc in the 1980s. I've seen it caleld a 'Telefunken
connector', although I suspect that name is dubious too.
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