[Elecraft] More Balanced Current Measurements - Voltage Balun

[Jim Brown]

On Wed, 13 Aug 2008 21:32:46 -0600, Craig D. Smith wrote:

>My BL2 also gets mighty hot on some bands at 100W when feeding ladderline.

Heat means LOST POWER. Virtually all baluns like the BL2 use Fair-Rite #61 
(or something quite similar). Download 

http://audiosystemsgroup.com/RFI-Ham.pdf 

and study Fig 6, the loss characteristics of Fair-Rite #61. The loss begins 
to rise above 10 MHz, and it isn't pretty above about 20 MHz. 

73,

Jim Brown K9YC