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Preliminary Discussion on the Electromagnetic Compatibility (EMC) Design of Transmitters

XIE Ying (Nanjing Research Institute of Electronics Technology,Nanjing 210013,China)  
Electromagnetic Compatibility(EMC) is a topic of anti-Electromagnetic Interference(EMI).The in depth research on EMI problems has significant practical value for improving the reliability of designed products.In this paper,we discuss briefly the importance of EMC in circuit design,and comprehensively study the EMC problems of electronic equipments.For EMC design problems of radar transmitters,basing on the transmission path and coupling way of radar transmitter interference signal,and focusing on various EMI problems that appear frequently,we propose four methods of EMI suppression,which are grounding,shielding,filtering and instantaneous suppression.Besides,other methods of improving the equipment EMC in common use are discussed.We discuss of circuit design,wiring in equipments,anti-jamming design of the software and etc.
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