Abstract
This paper reviews passive and active building elements for RFI suppression: inductors, capacitors, frequency-sensitive and voltagesensitive resistors, and their interconnections to form multipole structures, of lumped and distributed types. After presentation of the state of the art, rules are given for the design of good RFI components. Trends are shown in new developments, especially the new technologies of manufacturing special dielectric and magnetic media. The possibility is discussed of generalizing the concept of "damping" as compared to pure reactive "filtering." Some recent research and development results are presented concerning components spreading RFI suppression along distributed structures, the important role of partition, and finally, integrated "dielectromagnetic" structures.
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