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Old 13th Nov 2018, 10:19 pm   #21
merlinmaxwell's Avatar
Join Date: Jul 2008
Location: Maidenhead, Berkshire, UK.
Posts: 8,321
Default Re: Toroidal Transformers

but the transformer utilisation factor may be the bigger problem
I don't think so, a doubler with double size caps on a double current sized transformer is much the same as a single size cap and transformer. It can be shown that a simple (two half wave in series) doubler is equivalent to a full wave bridge, caps twice the size half the volts etc. you also win two diode drops of volts too.
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