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EMCforProductDesignersEMCforProductDesigners11Chapter1Introduction1.1WhatisEMC?Electromagneticinterference(EMI)isaseriousandincreasingformofenvironmentalpollution.Itseffectsrangefromminorannoyancesduetocracklesonbroadcastreception,topotentiallyfatalaccidentsduetocorruptionofsafety-criticalcontrolsystems.VariousformsofEMImaycauseelectricalandelectronicmalfunctions,canpreventtheproperuseoftheradiofrequencyspectrum,canigniteflammableorotherhazardousatmospheres,andmayevenhaveadirecteffectonhumantissue.Aselectronicsystemspenetratemoredeeplyintoallaspectsofsociety,soboththepotentialforinterferenceeffectsandthepotentialforseriousEMI-inducedincidentswillincrease.Somereportedexamplesofelectromag……