Here's a question that stumped me back in the old slide rule days:

A coaxial cable, having an inner diameter of 0.0254mm (0.001") and using

an insulator with a dielectric constant of 2.56, is yo have a

characteristic impedance of 2,000 Ohms. What must be the outer conductor

diameter?

You guys can locate the appropriate method of calculation.

--

Trevor Wilson

www.rageaudio.com.au