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Old March 25th 06, 06:27 PM posted to rec.radio.amateur.antenna
John Popelish
 
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Default Current through coils

Ian White GM3SEK wrote:

(snip everything but context)

From the beginning, then:

"Lumped" inductance is another name for the pure electrical property of
inductance, applied at a single point in a circuit. It has none of the
complications of a real-life coil: no physical size, no distributed
self-capacitance, and no external electric or magnetic fields. Its only
connections with the antenna are through its two terminals. Lumped
inductance is just inductance and nothing else.


(snip)

Single-point loading by pure inductance has thus created almost all the
major features that we see in a practical centre-loaded whip -
particularly the big step change in voltage across the loading coil.


(snip)

If we can agree about pure inductive loading, we all have a firm place
to stand. Then we can then put back those "other" complicating
properties of a real-life loading coil, and see what difference they make.



I see nothing to quibble over yet. :-)