标签: notebook-123

notebook-123电磁干扰抑制技术笔记本电脑中Ｉ／Ｏ接口的ＥＭＣ处理I/OConnector&GroundingDesigninNotebookComputerEMCSolution深圳市顶星数码网络技术有限公司何勇摘要Ｉ／Ｏ接口是笔记本电脑ＥＭＩ超标的主要来源。通过对笔记本电脑周边接口在印制电路板上的布线和布局进行合理规划，以限制噪声信号随意进出Ｉ／Ｏ接口；同时对接口连接器在Ｉ／Ｏ口区域做适当接地可优化笔记本电脑的电磁兼容性。关键词笔记本电脑；接口；划岛；接地；串扰；耦合；信号完整性AbstractTheI/OconnectorwillbethemainEMIsourceofnotebookcomputer.TheProperlayoutoftheI/OsignaltraceandplacementoftheI/OconnectorwillbegoodtoimprovetheEMI,anditwillkeepthenoisesignaloutoftheI/Oarea;AtthesametimemaketheI/OconnectorgroundingwellonthepointofI/Oport,itwillgetwellEMcompatibilityaboutthenotebookcomputersystem.Keywordsnotebookcomputer；connector；Islandsetting；grounding；crosstalk；coupling；signalintegrality笔记本电脑机壳ＥＭ……