Posted by Don Wilhelm-4 on Jul 23, 2010; 8:05pm URL: http://elecraft.85.s1.nabble.com/Balun-Questions-tp5328810p5331038.html
Brett,
The coupling between the toroids is not as much of a problem as the flux
cancellation when an attempt to use one core - that just does not work
right.
73,
Don W3FPR
Brett Howard wrote:
> Interesting enough his high power one uses two cores and appears to be
> made the same as the "budget" one that is wound on one core... Seems
> like stacking them on top of one another is going to just couple them
> and hinder your isolation but maybe I'm wrong there....
>
> http://www.balundesigns.com/servlet/the-78/4-cln-1-dual-core-current/Detail >
> ~Brett (N7MG)
>
>