cad课本教程作业答案

《cad课本教程作业答案》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、CAD课本教程作业答案Thisarticleiscontributedbylim211314DOCdocumentsmayexperiencepoorbrowsingontheWAPside・ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.1.CAD一ComputerAidedDesign2.computeraideddesignprinciplediagramofthesuffixSch3.Design/Option:A:whatarethecontentsofthe

2、sizeofthedrawing;drawingdirection,titlebarlockingscheme;gridsize;gridsize;electricalgridsize:fontbordercolor;colordrawings.3.worklayereachlayermeaning:.SignalLayers(signallayer):mainlyusedforplacingcomponents(topandbottom)androuting・・InternalPlanes(internalpowersupply/groundlayer):dedica

3、tedtolayoutpowerlineandgroundwire..MechanicalLayers(mechanicallayer):usuallyusedtoplaceindicativeinformationabouttheboardandthemethodofassembly.Masks(soldermask,solderpasteprotectionlayer):thepadsorotherobjectsplacedonthislayerareareaswithoutcopper.Silkscreen(SiYinceng):mainlyusedtodrawt

4、heoutlineofcomponents,thenumberofcomponentsplaced,orothertextinformation.6.Others(otherlevel)and.System(systemlevel):usedtodisplaytheviolationofdesignrulecheckinginformation・Via:connectivitybetweenthelayersineachline,Wenhuilayerneedstobeconnectedonacommonwiredrillhole・Role:first,itisused

5、asanelectricalconnectionbetweenthelayers;twoisusedasadeviceforfixingorpositioning.4.commoncomponentsofthepackage(Footprint):resistors,capacitors,polarcapacitors,transistors,diodes,dualinlinedevices・AXIALO.3toAXIAL1.0;RADO.1toRADO.4;RB.2/.4toRB.5/1.0TO-92A.TO-92B;DIODE0.『DIODE0.7;DIP5.Pro

6、tel99SE.Whatkindsofsimulationanalysismethodsareavailable?Answer:atotalof11kindsofOperatingPointanalysis:Analyses(staticworkingpointcalculationcircuitQ)toanalysetheFourierAnalysisFuLiyeDCSweepAnalysisanalysistheanalysisofthe6,12DCanalysis,ACSmallSignalAnalysissmallsignalACtransientcharact

7、eristicsofTransientAnalysis(MonteCarloanalysisofDCtransmissioncharacteristics)AnalysisMonteCarloanalysisParameterSweepAnalysisTemperatureSweepAnalysisparameteranalysisTransferFunctionAnalysistemperatureanalysisoftransferfunctionanalysisIhaveImpedancePlotanalysisofAnalysis