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The Question
Traditionally. when a TEM step (i.e. logic transition
from low to high) travels through a vacuum from left to right, guided by two
conductors (the signal line and the 0v line), http://www.ivorcatt.com/1_1.htm
Figure 5, there are four factors which make up the wave; - electric current in the conductors - magnetic field, or flux, surrounding the
conductors - electric charge on the surface of the conductors
- electric field, or flux, in the vacuum
terminating on the charge. The key to grasping the anomaly is to concentrate
on the electric charge on the bottom conductor. During the next 1 nanosecond,
the step advances one foot to the right. During this time, extra negative
charge appears on the surface of the bottom conductor in the next one foot
length, to terminate the lines (tubes) of electric flux which now exist
between the top (signal) conductor and the bottom conductor. Where does this new charge come from? Not from the
upper conductor, because by definition, displacement current is not the flow
of real charge. Not from somewhere to the left, because such charge would
have to travel at the speed of light in a vacuum. (This last sentence is what
those "disciplined in the art" cannot grasp, although paradoxically
it is obvious to the untutored mind.) A central feature of conventional
theory is that the drift velocity of electric current is slower than the
speed of light. [Published in Electronics & Wireless World sep84,
reprinted sep87. For further information on the Catt Anomaly, see letters in
the following issues of Wireless World; aug82, dec82, aug83, oct83, dec83,
nov84, dec84, jan85, feb85, may85, june85, jul85, aug85.] |
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Pepper FRS and Dr. McEwan contradict each other in their
answers. See http://www.ivorcatt.com/2698.htm
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