[TenTec] [Fwd: Line Isolator Balun (sorta) question.]

[Steve Hunt]

Dressing the feedline at right angles to the dipoles stops *induced* 
common-mode current, but it does nothing to stop *conducted* common-mode 
current if the feedline is coax. The model I investigated on my website 
has perfect physical symmetry, but it still has high common-mode current.

Steve G3TXQ

Dr. Gerald N. Johnson wrote:
> Feedline at right angles to the dipole is a way to not need a choke, but 
> that's not often achieved. Then the feed line couples more to one side 
> of the dipole and that induces unbalanced feed line currents without chokes.
>