Coupling between a pair of coaxial cables in a multicable system

The paper describes a simple lumped-circuit model of coupling between any two coaxial cables in a system of n coaxial cables over a ground plane, or n + 1 cables in free space. Theoretical predictions for various cable configurations are compared. Experimental results are presented and compared with the calculations (calculated using measured values of ZT the surface transfer impedance of the braid). An experimental investigation of the effect of torsion in the cables on the coupling is also discussed.