板设计中的接地方法与技巧PCB

Certification&EMC200505ELECTRONICSQUALITY74ConnectingLocalLawandSkillintheBoardDesignofPCBHuangHui-xiong,ChenShou-cai,TaoYan-yan(HunanVocationalCollegeofCommerce,Changsha410217,China)Abstract:ThistextanalysesthatearthnoiseandelectromagneticreasonsandcountermeasurespenetratedemergeintheprintedcircuitboardsignalearthdesignofPCB.Adoptsinglesomeearth,multipointearthing,mixearth,simulationcircuitearth,digitalcircuitearthintroducePCBprintedcircuitboardearthmentalityofdesigning,designmethod,skill.Keywords:Earthtechnology;Mentalityofdesigning;Designmethod;EMCCLCnumber:TN98Documentcode:AArticleID:1003-0107(2005)05-0074-02EMCEMC200505ELECTRONICSQUALITYCertification&EMC75EMCEMC