Actually, you have confirmed my point by showing that, in the near
field, magnetic loops and electric dipoles interact very differently,
thus may have rather different EMC behaviour. I was not disputing that
the far field component interacts at short distances. I was only saying
that the near field component can make the total interaction
significantly different.
--
David Woolley
Registered owner of K2 06123
Ralf Wilhelm wrote:
Conclusion: you have some (limited) control on the 1/r^3 part, which is purely magnetic for a magnetic
antenna and purely electrical for an electrical antenna, but you will have this "1/r^2 coupling"
for both a magnetic and an electrical antenna, meaning you can not generally eliminate the coupling to nearby
conductors just by using a "dominantly magnetic antenna" or a "dominantly electrical
antenna".
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