[Elecraft] Balun suggestions
Wes (N7WS)
wes at triconet.org
Thu Feb 4 20:35:26 EST 2016
I was wrong. Clearly, I'm dreaming.
On 2/4/2016 5:38 PM, Don Wilhelm wrote:
> Wes,
>
> I don't mean to be contentious, but under ideal conditions, what Ron said is
> true. Even though we often refer to the output of the KAT500 (or any other
> device that normally connects to a coaxial line, the currents on the output
> should be equal and opposite - which is the definition of balanced.
> Consider the currents between the center conductor and the inside of the
> shield for coax. They must be equal and opposite. It is the common mode
> current on the outside of the feedline that produces any unbalance.
>
> So connecting a balanced feedline to a PL-259 is not so far fetched -
> providing the shell of the PL-259 (and enclosure of the KAT500) is not
> grounded. If you have decided to ground your KAT500, then you would need to
> use a balun - so "it all depends". Be aware of "sneak grounds".
>
> 73,
> Don W3FPR
>
> On 2/4/2016 7:17 PM, Wes (N7WS) wrote:
>> I just pinched myself; I'm not dreaming and it's not April 1st, so I guess
>> you're serious.
>>
>> You are also so wrong on so many points, I'm not going to waste time trying
>> to refute or correct them.
>>
>> Jim, please ignore everything said below.
>>
>> Wes N7WS
>>
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