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Old February 22nd 04, 08:00 PM
Avery Fineman
 
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In article , (Tom
Bruhns) writes:

(Avery Fineman) wrote in message
...
... Suffice to say
that a square wave cannot be used with a passive diode doubler; all
the energy is contained in the short transition times and that is rarely
enough to be worth it.


?? Lots of energy in the fundamental; filter to extract the
fundamental and feed it to your full-wave rectifier doubler.
Efficiency can be high if the filter does not cause dissipation in the
source at the harmonics.