[Elecraft] KAT500 update

[Jim Miller]

The "balun" needed on the output of an unbalanced tuner to accommodate an
"balanced" feedline is no more than an appropriately designed common mode
choke.

http://www.audiosystemsgroup.com/RFI-Ham.pdf excellent practical
descriptions, tests of real implementations and cookbook recommendations.

http://fermi.la.asu.edu/w9cf/articles/balun/ excellent mathematical
treatment

http://www.w8ji.com/tuner_baluns.htm bottom of page

73

jim ab3cv