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Old 05-10-2014, 02:22 PM   #15
davepl
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Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
Re: Battery being drained

Are you sure they just use diode packs to "chop off" the inverted part of the waveform? I'm a software guy, but if I were tasked with inventing this 50 years ago, I'd have used a four-diode rectifier to just flip the negative back to positive.
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