TABLE OF CONTENTS The formal definition of electromagnetic compatibility, as given in the International Electrotechnical Vocabulary (IEC 50) is: 'the ability of a device, equipment or system to function satisfactorily in its electromagnetic environment without introducing intolerable electromagnetic disturbances to anything in that environment' [1]. A similar definition cited by Duff [2] is given as: 'the ability of equipments and systems to function as intended, without degradation or malfunction in their intended operational electromagnetic environments. Further, the equipment or system should not adversely affect the operation of, or be affected by, any other equipment or system'.
Electromagnetic interference (EMI) can be viewed as a kind of environmental pollution which can have consequences that are comparable to toxic chemical pollution, vehicle exhaust emissions or other discharges into the environment. The electromagnetic spectrum is a natural resource which has been progressively tapped by man over the last 100 years. Most of the development has taken place in the last 50 years with the advent of public service broadcasting, point-to-point and mobile communications etc. which has brought great economic and social benefits. The spectrum is now almost full and it is proving difficult to satisfy the pressures for new uses of this resource. Modern life has come to depend heavily on systems that use the electromagnetic spectrum and its protection is in the interests of us all. For this reason unwarranted electromagnetic interference represents a real economic and social threat which can even result in injury or death.
Unfortunately, electromagnetic interference...
