[time-nuts] Trimble GPSDO power suply unit
Hal Murray
hmurray at megapathdsl.net
Thu Sep 11 20:23:53 EDT 2008
> I've worked with Asian multivoltage switching supplies for years, and
> what the manufacturer usually won't tell you is that their primary
> output (usually the +5) of a multivoltage PS needs at least a 10 - 20
> percent (or so) minimum load in order for the whole unit to meet spec
> and be stable. I would never leave one of these operating unloaded for
> any length of time... The result is usually what you saw, or a
> secondary voltage that goes way out of spec and burns out the attached
> device or itself.
Is smoke common? I'd expect the safety agencies would not like that.
--
These are my opinions, not necessarily my employer's. I hate spam.
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