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PCBPCB20046AcconSys®Confidential2004-6-8111aservicecompanyMentorGraphics®AuthorizedDistributorPCB...........................................................................................................3.PCB........................................................................3.PCB................................................................................3.PCB................................................................................4.......................................................5.PCB................................................................................61..........................................................................................62..........................................................................................73..................................................................................84PCB................................................................85EMC...............................................................9.SI.........................................................................9AcconSys®Confidential2004-6-8211aservicecompanyMentorGraphics®AuthorizedDistributorPCBPCB.InternetPCBPCBPCBEDAEMI/EMC.PCB20MHzICICPCB1231ns40.5nsEMI.PCBPCBPCB500MbpsAcconSys®Confidential2004-6-8311aservicecompanyMentorGraphics®AuthorizedDistributorPCBSIEMCPCBCPU4PCBPCBPCBPCBCPUDSPFPGAPCB20010200SIPCB.PCBPCBEMCPCBPCBFPGAASICPCBPCBSIEMCEDAPCBSign-OffPCBPCBAcconSys®Confidential2004-6-8411aservicecompanyMentorGraphics®AuthorizedDistributorPCBPCB80%EMCEMCSAMSUNGSONYEDA.IBISSPICEIBISSPICEASICSPICEIBISSI/U/I/Forward/Reverse/U/I/Forward/ReverseU/I/Forward/Reverse−=+∂∂∂∂utxxitxGCitxt(,)(,)(,)−=+∂∂∂∂itxxutxGCutxt(,)(,)(,)(a)U/I/(b)AcconSys®Confidential2004-6-8511aservicecompanyMentorGraphics®AuthorizedDistributorPCB/V(x,t)=Fwd(x,t)+Rev(x,t)I(x,t)=[Fwd(x,t)-Rev(x,t)]/Z0Rev(0,t)x=0/Z0Z010%~90%10%.PCBPCB1PCBACLVDSIOHVOH50%50%InnovedaInnovedaMentorGraphicsMentorGraphicsScratchpadScratchpadAcconSys®Confidential2004-6-8611aservicecompanyMentorGraphics®AuthorizedDistributorPCBScratchpadScratchpad2PCB1PCBPCB2PCBPCBAcconSys®Confidential2004-6-8711aservicecompanyMentorGraphics®AuthorizedDistributorPCB20~75EDAPCBPCBPCBPCBPCBPCBPCBPCBPCBPCB3PCBEDA4PCBPCBAcconSys®Confidential2004-6-8811aservicecompanyMentorGraphics®AuthorizedDistributorPCBFPGAPCB1PCB234LVTTLLVCMOSLVDSGTLGTL+PCBASICPCBPCBASICI/OSIASICI/OASICPCBASICPCB5EMCEMCEMCEMCEMCPCBEMCEDA20EMCSI.SISI100SI1SISISISISISI2SI3SIPCBSIRFPCBAcconSys®Confidential2004-6-8911aservicecompanyMentorGraphics®AuthorizedDistributorPCB1High-SpeedDigitalDesign:AHandbookofBlackMagic.HowardW.JohnsonandMartinGraham.PrenticeHall,1993:ISBN0-13-395724-12Terminationtechniquesforhigh-speedbuses.KarthikEthirajanandJohnNemec,PhD,CalifoniaMicroDevices3InnovedaePD2.0ScratchpadAcconSys®Confidential2004-6-81011aservicecompanyMentorGraphics®AuthorizedDistributorPCBMentorGraphicsMentorGraphics/1981126.753,600(Oregon)8005S.W.BoeckmanRoad,Wilsonville,Oregon97070-77771001RidderParkDrive,SanJose,California95131-2314(Nasdaq:MENT)isaworldleaderinelectronichardwareandsoftwaredesignsolutions,providingproducts,consultingservicesandaward-winningsupportfortheworld'smostsuccessfulelectronicsandsemiconductorcompanies.Establishedin1981,thecompanyreportedrevenuesoverthelast12monthsofabout$675millionandemploysapproximately3,600peopleworldwide.Corporateheadquartersarelocatedat8005S.W.BoeckmanRoad,Wilsonville,Oregon97070-7777;SiliconValleyheadquartersarelocatedat1001RidderParkDrive,SanJose,California95131-2314.WorldWideWebsite:://www.acconsys.com/AboutAcconSysAcconSysBeijingTechnologyLtd.isaspecializedhigh-techserviceandconsultingcompany,establishedinChinabyinternationalhigh-techinvestmentinstitutions.CloselycooperatedwithMentorGraphics,AcconSysprovidesstateoftheartEDAsolutionsforelectronicdesignindustryinChina.Focusingondifferentneedsofclientsinthisarea,AcconSysdeliversspecializedtechnicalconsulting,designservicesandtrainingservices.WorldWideWebsite::010-68058081Fax:[phone]Tel:[phone]Fax:[phone]Tel:[phone]Fax:[phone]MentorTel:021-50471380Fax:[phone]AcconSys®Confidential2004-6-81111aservicecompanyMentorGraphics®AuthorizedDistributor