On the estimation of ESD current waveshapes by radiated electromagnetic fields

This paper presents the method for an estimation of ESD current waveshapes by radiated electromagnetic fields. The method of current waveshape estimation described uses the one-antenna method (single field method) and two-antenna method (complex field method) with a measured electric or magnetic field at a given field point by a time domain antenna. In order to verify the availability of the estimation theory, the ESD current waveform estimation were performed by one and two antenna methods using the measured electric fields of Wilson and Ma (1991) and compared with experiments.