Re: Baluns & wires & feeders (oh, my!)
Posted by
Don Ehrlich-2 on
Oct 02, 2006; 5:29pm
URL: http://elecraft.85.s1.nabble.com/Baluns-wires-feeders-oh-my-tp394281p394293.html
Sorry, I just can not understand why that should be so. I have managed to
heat very large toroid baluns to the point where wire insulation melted just
by driving a 100 watts or so into an extreme SWR. Perhaps you are assumming
a simple 1:1 choke balun? A 4:1 voltage balun can easily have extremely
high circulating currents within the balun that will cook it in a hurry
under high swr feedline conditions.
Don K7FJ
> A balun wound on a toroid can have no more than 5% loss at 100 Watts.
> Just relax and use your antenna. It might be hard to load on 40 and 20
> Meters but it should work ok.
>
> 73 Karl K5DI
>
_______________________________________________
Elecraft mailing list
Post to:
[hidden email]
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.):
http://mailman.qth.net/mailman/listinfo/elecraft
Help:
http://mailman.qth.net/subscribers.htmElecraft web page:
http://www.elecraft.com