I wound one once....used the formulas from the
ARRL handbook and from an old QST article.
Low tech, but it worked just fine.
The real "trick" is to get the primary
right so it doesn't draw too much current
when there's no load on the secondary. So, I'd
wind the primary first per your calculations, see if
it heats up too much; if not, then go for the secondary.
Charlie N0TT
On Mon, 08 Feb 2010 11:46:38 +1300 ZL2AAA <zl2aaa@paradise.net.nz>
writes:
> Hi All I have a transformer with steel laminations and wish to rewind
> it for
> an amp project .Does anyone know where to download software to
> design a
> xformer ?I have done a google search and just end up chasing the
> same thing
> with lots of non relevant leads.Tnx Morrie
>
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>
>
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