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In Reply to: RE: what make coaxial cable impedances of 50 ohms and 75 ohms ? posted by Duster on January 16, 2017 at 20:01:35
The impedance of the cable is not the same as the resistance. And I think it's a reflection of it's characteristics at RF, not AF use. No?
Follow Ups:
Yes, the term is "characteristic impedance", which is based on a sophisticated determination based on the relationship of the dielectric with the conductors, rather than an actual measurement of the conductors resistance.
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