Prediction of leakage from single braid screened cables

Theoretical predictions for the surface transfer impedances of braided coaxial cables are compared to measured values. A phenomenon is reported, whereby the measured cable leakage does not vary linearly with frequency. The predictions include manufacturing tolerances of the braid, this leads to the conclusion that at least a maximum leakage is determinable. Furthermore, this prediction technique suggests that a small range of braided coaxial cables can be manufactured which would cover all likely uses.