[Elecraft] About BL2 Balun

Don Wilhelm w3fpr at embarqmail.com
Wed Sep 11 10:40:05 EDT 2013


Pierre,

It is a current choke in either configuration.  Take a look at the 
assembly manual and that should be apparent.if you compare the balun 
schematic with standard schematics for current chokes.

73,
Don W3FPR

On 9/11/2013 10:26 AM, Pierre wrote:
> Hi folks
>
> A question about BL2  Wideband 1:1 & 4:1 (Switchable) Balun. Does it also
> have some kind of'choking' effect (to reduce or eliminate currents on the
> outside of the coax)... or is it just a balun (TLT) to transform impedances
> ?
>
> Thanks
> de Pierre VE2PID
> Kx1#442, K2 #5170 KX3 # 190
>
>
>
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