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Old March 29th 06, 07:36 PM posted to rec.radio.amateur.antenna
Richard Clark
 
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Default what a 1:1 choke balum used for

On Wed, 29 Mar 2006 10:45:05 -0500, John Popelish
wrote:

It may not be the approach you are familiar with, but I think it is
valid. The transformer just has a lot of core loss, if you use a
ferrite optimized for a much lower frequency. And that loss shows up
as if it were a resistor connected across the ends of the two
windings. If a low loss ferrite (at the operating frequency) is used,
then the impedance across the windings is dominated by inductance, as
one normally expects with a transformer. But the analysis handles the
whole range of cases.


Hi John,

Through these last comments, and those that go before, you have
entirely missed the boat of both the dynamics involved (this is not a
magnetic circuit being described, and there are NO magnetic lines
broken in a typical circuit in a balanced configuration), and the
topology. Specifically to this last, you still do not seem to
comprehend that a coax has three conductors and is a six terminal
device.

Roy has also commented to these issues and I think you should review
his correspondence and respond to him.

73's
Richard Clark, KB7QHC


 
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