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第1页共8页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共8页PingdingshanIndustrialCollegeofTechnologyBTECHNDinElectrical/ElectronicEngineeringUnit21AdvancedComputer-AidedDesignTechniquesAssignmentNameofStudentSunXinyaUnitTitleUnit30:ManufacturingElectronicProductsAssignmentTitleThyristordimmingcircuitdesignandfabricatioAssignmentNoAssignment2NameofTutorTonghuigaoNameofInternalVerifierSubmissionDeadlineMay15,2011.OutcomesandAssessmentCriteriaOutcomeAssessmentCriteriaFeedbackTutor’sdecisionInternalVerification3Describethedesign，manufactureandtestingofPrintedCircuitBoardsDiscussthedesignandsimulationofsingle-andmulti-layerPCBs3a4InvestigatethemethodsofassemblingelectronicproductsDescribethemethodsoftestingcompletedPCBsandfinishedelectronicproducts4a第2页共8页第1页共8页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共8页MeritGradeCriteriaMeritDescriptorsIndicativeCharacteristicsFeedbackTutor’sdecisionInternalVerificationM1identifyandapplystrategiestofindappropriatesolutionsPCBboardlayoutwillbeacomprehensiveanalysisoftherules.M1bM2select/designandapplyappropriatemethods/techniquesPCBboardlayoutintegratedapplicationoftheprinciplesandrequirements,drawthyristordimmingcircuitPCBmap.M2bM3presentandcommunicateappropriatefindingsInthewaveformmeasurementreports,graphicsandsymbolsmarkedcorrectly.M3bDistinctionGradeCriteriaDistinctionDescriptorsIndicativeCharacteristicsFeedbackTutor’sdecisionInternalVerificationD1usecriticalreflectiontoevaluateownworkandjustifyvalidconclusionsConsolidatedexistingknowledgeandobservations,drawnwaveforms.D1a第3页共8页第2页共8页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第3页共8页TheuseoflayoutprinciplesdrawncorrectlyassesstheirownstrengthsandweaknessesofPCBboard.D1bD3demonstrateconvergent/lateral/creativethinkingGeneraldescriptionoflaboratory-sidedPCBversionoftheproductionprocess。D3cProductiontomeettherequirementsofthethyristordimmingcircuitPCB.D3dInternalverificationofassignmentbrief(finalagreedversion)IVnameDateIconfirmthatthisisallmyownworkStudentsignatureProfessor’ssummativefeedbackandcomments第4页共8页第3页共8页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第4页共8页SignatureDateStudent’scommentsonprofessor’sfeedbackSignatureDateANSWERALLTASKSScenario:Youhavebeengivenworkexperienceinanengineeringfirmandtheseniordesignengineerhasgivenyouthefollowingtaskstoperform.Task1:)ⅰPCBboardlayoutshouldfollowthegeneralprinciplesofwhat?1.Layoutaretwoways,oneisaninteractivelayout,theotheristheautomaticlayout,thelayoutisgenerallybasedontheautomaticlayoutwithinteractiveadjustmentofthelayoutcanbethecaseunderthedoorcircuittracesre-Distribution,theexchangeofthetwogates,makingiteasytoroutethebestlayout.2.Thesuccessofaproduct,itisnecessarytopayattentiontotheintrinsicquality,andsecond,takingintoaccounttheoverallappearance,bothcanbemoreperfectthattheproductissuccessful.第5页共8页第4页共8页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第5页共8页InaPCBboard,componentlayoutrequirementsshouldbebalanced,densityandorderly,nottop-heavyorasink.)ⅱPCBboardlayoutshouldfollowthegeneralprinciplesofwhat?1,theremustbeareasonabledirection:suchasinput/output,AC/DC,strong/weaksignal,highfrequency/lowfrequency,high/low,etc....,theyaretobelinearly(orseparation),noteachotherblend.Theaimistopreventmutua...