[Elecraft] [OT] "Backward" Baluns

[Alexey Kats]

Ouch, right, I was mostly thinking about QRP. On high power one has to
start keeping track of what current each side of a balun was supposed
to handle as well. Sorry for missing that.

On Sat, Aug 7, 2010 at 2:49 AM, Guy Olinger K2AV <olinger at bellsouth.net> wrote:
> It depends on what "balun" design you are talking about.  Some 50:200
> baluns take a pair of 100 ohm feedlines wound on ferrite toroids to
> choke off common mode current, connect them in parallel on the 50 ohm
> side, and in series on the 200 ohm side.  This design will not do
> 50:12.5.  Others will not work well because the 50:200 assumes the
> lower current on the 200 side at QRO, and a different design 50:12.5
> is specifically wound with QRO high current of 12.5 in mind.

-- 
Alexey Kats (neko)