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Old October 25th 04, 02:28 PM
Cecil Moore
 
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Richard Harrison wrote:
You have a voltage drop, a temperature drop, or a drop in almost any
variable. Why not call a decline in current a current drop?


Many examples exist for current drops in distributed networks. That's
one thing that makes circuit analysis invalid for distributed network
problems. The series current is NOT the same value everywhere in a
distributed network. Asserting that there is no such thing as "current
drop" in distributed networks simply indicates an invalid choice of
models.

How much current drop is there at 440 MHz in 100 feet of RG-58 between
the source and a 50 ohm load? Answer: A 20 dB power drop equates to a
40 dB current drop.
--
73, Cecil http://www.qsl.net/w5dxp


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