简介：1.IntroductionTheEMCdesignforthePrintedCircuitBoardhasbeenapopulartopic.Guidelinesandtipsforhigh-speedPCBdesignscouldbefoundfromnumerousresources.WheninvestigatingEMIissuesassociatedwithcircuitboards,manydetailssuchasclockfrequencies,switchingrates,rise/falltimes,signalharmonics,datatransferrates,impedances,traceloading,andtypesandvaluesofthevariouscircuitcomponents,shouldbetakenintoconsiderations.ThephysicallayoutofthePCboardanditsassociatedmetalliccomponentsareimportantconsiderations.Specialattentionshouldbegiventotheplacementandcharacteristicsofsignalsourcecomponents,vias,

简介：中国的崛起对东亚经济产生了深刻影响。不仅中国在东北亚的近邻通过贸易和投资从中国的开放政策中获益，而且那些曾经与中国争夺国外直接投资（FDI）和出口市场的东盟国家也开始从中国的经济增长中得到好处。中国作为世界经济增长的发动机之一已经对其东亚邻国产生了积极影响。通过“东盟＋3”方案，特别是始于2002年的“中国-东盟”自由贸易协定，中国为东亚地区经济一体化提供了新的动力，从而为东亚经济增长发挥着日益重要的地缘政治和地缘经济作用。

简介：1.IntroductionAnyoneworkinginasystemselectromagneticcompat-ibilityenvironmentisusuallypainfullyawareofthefactthat,often,theweakestlinkinthesystemisthecabling.Whetherthisisthecableortheconnectorsthemselves,ormorelikelytheinterfacebetweenthecableandtheconnectorswheretheremaybeapoorconnectionofthecablescreen,theabilityofcablingtoleakorabsorbspurioussignalsisacauseofmuchEMCfrustration.ThissectionwilladdressthebasisofthecablingrelatedEMIphenomenonandthebestcablingpractice.