On Tue, 1 Jun 2010 15:18:59 +0200, DF3KV wrote:
>Why should one bother for wire and core insulation if the balun will be used
>to feed a 50 ohms load?
To kill common mode current. See http://audiosystemsgroup.com/RFI-Ham.pdf
The word "balun" has been used to describe many very different things.
Impedance transformation by series/parallel combinations of common mode
chokes is only one of those things. I try not to use the word "balun." The
thing being discussed here is a common mode choke. It is commonly called a
current balun.
73,
Jim Brown K9YC
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