On 05/06/2014 03:05 PM, Dan Atchison via TowerTalk wrote:
> Two questions for the group.
>
> 1. I'm making RF chokes out of 2.4" ferrite cores, mix 43 and mix 31
> material. Is there a maximum limit to the amount of ferrite I should use?
Yes, the frequency at which the choke works best changes
with inductance. G3TXQ has a nice page on that:
http://www.karinya.net/g3txq/chokes/
> 2. Are there any advantages to using more than 1 Polyphaser in a feedline?
I suppose the second one can take the strike if the first one
fails? :)
I have two protection devices on most of my feed lines, but
to be honest I am not sure whether or not it makes any sense
to do that, and am interested in advice...
--
All rights reversed.
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