Abstract
Advances in the electronic industry have allowed a greater number of electronic equipment performing critical functions onboard civil aircraft. Therefore, immunity against lightning induced transients and High Intense Radiated Fields (HIRE) has become a significant issue to manage in the early stages of product development. The surface transfer impedance is an intrinsic parameter that represents the effectiveness of the cable shielding and is a key parameter for understanding electromagnetic compatibility (EMC) problems as well as an important input parameter to computational electromagnetic models (CEM). Such models are useful to predict voltages and currents at equipment interfaces during a lightning event for example. In this study transfer impedance measurements of a coaxial cable, a single shielded wire and a twisted shielded pair have been carried out according to the line injection and triaxial test methods standardized by the International Electro technical Commission (IEC). To validate the approach, experimental results have been compared to the analytical estimates.
Published Version
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