[TowerTalk] Re: linear loading

Joe Subich, K4IK k4ik at subich.com
Wed Nov 5 15:56:50 EST 2003



> What linear loading really is is realizing an inductance
> by using a shorted stub of open wire line.  Open wire
> line of the type typically used in linear loading doesn't
> result in a high unloaded Q inductor.  Also, the inductance
> is frequency sensitive, reducing the bandwidth.

In addition, since the linear loading is often folded along 
and relatively close to the element, there is substantial 
coupling between the element and the loading.  This results 
in cancellation in the far field and additional I^2R losses 
in the "stub." 

73, 

   ... Joe, K4IK 
 



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