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1、Protel99se下的PCB布线流程全解析ThenewversionofEDAisusedasatoolforProtelcompanylaunchedtheproductionanddesignprocessmanagementofProtel99SEincomplexprocessdesignability,thepowerful(PDM)inone,cancompletelyrealizethewholeprocessofelectronicproductsgeneratephysicalproductiond
2、atafromconceptdesigntoelectrical,andinallanalysissimulationandverification.Itnotonlysatisfiesthehighreliabilityofproduct,butalsoshortensthedesigncycleandreducesthedesigncost・Inaddition,Protel99SEcanimportotherformsofcircuitdesigndocuments,suchas:ORCAD,PADSandsoo
3、n.ThisnonexclusivedesignideaisalsotheembodimentofProtelfunction.IntheProtel99SEarepreservedSCHsymbollibraryandPCBLibraryintheintegrateddatabase,theprincipleofmapsymbollibraryinDesignExplorer99SELibrarySchfolderintheDesignExplorer99SEPCBpackagelibraryLibraryP
4、cbfolder・WhenworkinginSCHandPCB,thegraphicalsymbolsandpackagesrequiredcanbecutintothecurrentlibrarylistbyaddingcomponentlibrarymethods・InthedesignofEDA,thissoftwarehaspowerfulwiringdesignfunction,canmaximallyassistthecircuitdesignengineertocarryonthePCBindepende
5、ntlayoutwiring・ThefollowingisabriefoverviewofthedetailedroutingofwiringinProtel99SE:1,getthecorrectprinciplediagramandnetworktablemanuallychangingthenetworkformthenofixedfootprinciplediagramelementpadsonthedefinitiontoconneelwithitonthenetworkwithoutanyphysicalc
6、onnectioncanbedefinedtoprotectthelandorland.1,drawtheirowndefinitionofnon-standardcomponentsofthepackaginglibrary.2,paintedprohibitedwiringlayer,includingthemiddleofthehollow,suchastheneedtoplacefixedholes・Placesuitablesizedpadsfor3mmscrews.Use6.5^8mm，souterdiam
7、eterand3.23.5mminnerdiameterpadsforstandardboardstobetransferredfromotherboardsorPCBWizard・3,turnonallthePCBlibraryfilesyouneedtouse,andthentransfertothenetworktablefile・4,manualelementlayoutshouldbefrommechanicalstructureofradiatingelectromagneticinterferencefu
8、turewiringconvenienceetc.Consideringthefirstlayoutandmachineryrelatedtothesizeofthedeviceandlockthesedevicesislargethenaccountforthelocationofthedeviceandcircuiteleme
