Spectrum Analysis and Calculation of Electrostatic Discharge Current August 2003 High Voltage Technology Vol. 29 No. 8 ・23・Spectrum Analysis and Calculation of Electrostatic Discharge Current for Electromagnetic Compatibility Zhu Changqing, Liu Shanghe, Wei Ming, Fan Lisi ΞAn Analysis and Calculation on Spectrum of ESD Curren t (Institute of Electrostatic and Electromagnetic Protection, Ordnance Engineering College, Shijiazhuang 050003) Abstract Starting from the human body model of electrostatic discharge, the spectrum of the electrostatic discharge current of the more practical human body-metal model is theoretically analyzed and calculated in detail, solving the problem of the characteristics of the injected signal in the electromagnetic compatibility (EMC) test. The calculation results show that the high-frequency energy of electrostatic discharge is relatively small and there is an effective bandwidth. The accurate test system of electrostatic discharge current should have an ultra-wide bandwidth and a dynamic measurement range of nearly 100 dB. Abstract Starting from analyzing the human body model of ESD, the spectra of electro static discharge currents, of more active human body2 meta lm model, has been theo retica l2. The analyzed and calculated in deta il performance of injected signa l in electrom agnetic comp ap tib ility (EM C) test has been solved. Key words ESD discharge current spectrum analysis Key words ESD discharge current spectrum analysis……
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