基于Multisim10的电子摇号器设计与仿真

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ElectronicDesignEngineering19Vol.1913No.1320117Jul.2011,(ElectronicDesignAutomation,EDA)。EDA、3,。,[1]。EDAEDA。,EDAPspice,Maxplus,Protel,OrcadMultisim。,,,,。Multisim10(InteractiveImageTechnologies,IIT)(ElectronicsWorkbench,EWB),2005(NationalInstruments,NI)IIT,2007NINICircuitDesignSuit10,Multisim10。:、、、、,[2-3]、[4-5][6]。11.1,:09。1.2,09,。,,09。,10kHz。,10kHz。,。2(J1J2):2011-04-28:201104134:(09C0284):(1975—),,,,。:,。Multisim101,2,1(1.,650201;2.,650201):Multisim10。Multisim10,、、、5。,,。09。Multisim10,、、。:;;;Multisim10:TN710.9;TP391.9:A1674-6236(2011)13-0124-03DesignandsimulationonelectronicnumericalselectiongeneratorbasedonMultisim10ZHAOJia-song1,HUANGRong-hua2,YANWei-yu1(1.SchoolofScienceandInformationEngineering,YunnanAgricultureUniversity,Kunming650201,China;2.RuralPolicyDevelopmentResearchCenter,YunnanAgricultureUniversity,Kunming650201,China)Abstract:Multisim10isanexcellentsoftwareforaidedanalysisanddesignofelectroniccircuit.AelectronicnumericalselectiongeneratorwasdesignedbasedonMultisim10simulationsoftware.Thiscircuitsystemiscomposedoffiveparts:switchcontrolcircuit;oscillatorcircuit;decimalcounter;register;decoderanddisplaydrivingcircuit.Thedesignhassimplecircuitstructure,clearwiringandiseasytoimplement.Thecomputersimulationresultsshowthatthedesignimplementsgeneratorofrandomnumberfrom0to9.Comparedwiththetraditionaldesignmethod,thisdesignandsimulationbasedonMultisim10hasmanyadvantages,suchastime-saving,lowincostandefficient.Keywords:circuitdesign;simulation;numericalselectiongenerator;Multisim10-124-DOI:10.14022/j.cnki.dzsjgc.2011.13.022,0、1。1。,,5,1。22.11,J1,J1LOAD。J1,LOAD=0,;J1,LOAD=1,,0~9。J2,CLK。,J2“”,Key=Space。,“”,CLK。2。2.2。,555RC[7],3,f≈1.43(R3+2R4)C1。R3=1.3kΩ,R4=6.5kΩ,C3=10nF,3OUT,f≈f≈10kHz。,10kHz。2.374LS1604D74LS175。0,74LS16074LS175,0,。,74LS16074LS175,CLR=1。74LS160A=B=C=D=1,QA~QD74LS1751D~4D。2.4,。74LS48,A~D74LS1751Q~4Q;R,4。U5,,OnCurrent(Ion)=5mA,ForwardVoltageDrop(Vf)=1.66V,R=VCC-VfION≈668Ω,R=600Ω。2.5Muhisim10,,,5。、,,Place/HierarchicalBlockfromFile,310kHz,5X1。2.5.1Multisim10“Simulate/Run”1Tab.1FunctionofelectronicnumericalselectiongeneratorJ1J2000110111Fig.1Schematicdiagramofelectronicnumericalselectiongenerator2Fig.2Circuitofswitchcontrol3Fig.3Clockpulsegenerator4Fig.4Decoderanddisplaycircuit,Multisim10-125-《》201113(130)“F5”,。2,:1)J1,74LS160,QAQBQCQD=1111,74LS175,1D2D3D4D=1111。J2,74LS175CLK,1Q2Q3Q4Q=1111,74LS480,U5。2)J1,74LS160。J2,74LS175CLK=0,,U5。3)J1,74LS160。J2,74LS175CLK,1Q~4QQA~QD,74LS48,U5。CLK10kHz,。2.5.2,1001,0~9。10,10,,,6。6,。J2,09,。2.5.31)0~N-1N。N10,N,,J20~N-1。N10,,N,,J20~N-1。2)1~NN。N10,N,74LS160DCBA=0001,J1,N。J174LS175,5,J174LS175,0。,J21~N。N10,,N,,J20~N。3,,,。Multisim10,,,、,。,,,,。,,,。:[1].Multisim10[M].:,2009:1-2.[2],.Multisim“”[J].,2010,32(5):60-61,67.LIUGui-dong,WANGShu-juan.Study-basedteachingprac-ticeforelectronicstechnology5Fig.5Simulationcircuitofelectronicnumericalselection6Fig.6Timesofnumeral-126-《》201113foundationusingMultisim[J].JournalofEEE,2010,32(5):60-61,67.[3],,.Multisim[J].,2008,25(8):108-110,114.ZHANGYa-jun,CHENLong,NIUXiao-yan.ApplicationofMultisimindigitalcircuitandlogicdesignexperimentteaching[J].ExperimentalTechnologyandManagement,2008,25(8):108-110,114.[4].Multisim9.0[J].,2009,19(6):6-8,18.DONGYu-bing.ThedesignandsimulationofsimplifieddigitalfrequencycounterbasedonMultisim9.0[J].JournalofChang-chunUniversity,2009,19(6):6-8,18.[5].Multisim9[J].,2010,33(9):184-186.LUOYing-xiang.DesignandsimulationofthedigitalelectronicclockbasedonMultisim9[J].ModernElectronicTechnique,2010,33(9):184-186.[6],,,.Multisim[J].,2010,38(8):1886-1891.FANBin,ZHOUTie-ge,YANShao-lin,eta1.TheapplicationofMultisiminsuperconductiveelectronics[J].ActaElectronicaSinica,2010,38(8):1886-1891.[7].[M].3.:,2006:414-417.ZHAOSheng,SONGDong,ZHANGChao.ResearchontheSoftwareTestingTechnologyofTPSinATS[J].Measurement&ControlTechnology,2006,25(3):59-62.[3]MIL-STD-2076.Unitundertestcompatibilitywithautomatictestequipmentgeneralrequirementsfornotice1[S].1991.[4]MIL-STD-2077,Generalrequirementsfortestprogramsets[S].1978.[5]DebS,PattipatiKR,RaghavanV,etal.Multi-signalflowgraphs:anovelapproachforsystemtestabilityanalysisandfaultdiagnosis[J].AerospaceandElectronicSystemsMagazine,IEEE,1995,10(5):14-25.[6].[M].:,1995.(126)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!MIPS-BasedTM“”、“”MIPS、(Microchip)、Digilent、“2010MIPS-BasedTMPIC32”。,“‘’”;“”“IOTers”;“DREAM”、“HIT-WSN”。,:MIPS、MicrochipFPGA、Digilent。、。200,1000。,,“”,、,/、、、;,;。“”,,“”,、,,,,、、、,。,“LifeSpace”。:2011131009-130-

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