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Subject: Re: RLC values for 1 metre cable

Date: 05/20/01 at 2:52 PM
Posted by: gunther Keustermans
E-mail: gunther.keustermans@sparnex.com
Message Posted:

In Reply to: RLC values for 1 metre cable posted by Bart Roodenburg on 07/21/00 at 1:52 PM:

Hello Bart,

It is a problem to find the primary parameters you need!

Because of skin effect and non-ideal characteristics of the dielectricum, L, R, C AND G are frequency dependent!

L and R:
R and L are included in the 'internal'- or 'surface'-impedance, which is also a complex function.
(Can be found in textbooks)

C and G:
The dielectric constant of the dielectricum is a complex number.
(Problematic, not much an no correct data on the behavior of dielectrics)

I'm looking myself for how to describe twisted lines mathematically ...


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