Another problem not solved.

beenthere

Joined Apr 20, 2004
15,819
Hi,

You need a good signal generator and dummy load. The proceedure is to apply your RF to the cable, and increase the frequency until the internal capacitance and stray inductance of the cable has attenuated the signal by 3 dB.

Most coax manufaxturers give a figure you can rely on.
 
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