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1、電磁兼容技術(shù)及其在pcb設(shè)計中的應(yīng)用2(ElectromagneticcompatibilitytechnologyanditsapplicationinPCBdesign2)PdfdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyouselectTXTfirstordownloadthesourcefiletothelocalmachine.VIPinformationhttp://www.cqvip.comC4.28TN315/PIS0710
2、SN10.3XComputerengineeringandScienceCOMPUEENGNRITRIEENGSICENCETwenty-sixthvolumefourth,2004V0.6,.2O12No4,O4Articlenumber:0710(040-8?310.X20)400030ElectromagneticcompatibilitytechnologyanditsapplicationinPBdesignCEMCadIsAplainiCBDeinntpitnPsgcoYuHaizhen.FengYUizeHa.hn
3、.FENGoHaInformationEngineeringCollegeofJiangJiangUniversityoftechnology.JiangHangzhou301)zhezhe104(colfIfrtnEgneighjniestfehooyShoomainier.ZeagUnvriocnlg.Haghu301.CiaononiyTnzo104hn)Abstract:inthecircuitdesignphaseofprintedcircuitboard,itisveryimportanttocarryoutelec
4、tromagneticcompatibility(M)meter.ThispaperintroducesthedesignofECTheelectromagneticcompatibilitytechnologyanditsapplicationinprintedcircuitboarddesign,componentsandthearrangementofthegroundfromthepowerlineandthesignallineselectiontotheprintedcircuitboard,combiningwit
5、hPOERTL'sPOE9SRTL9Esoftware,akindofreducingelectromagneticinterferenceinPBdesignforCCalculationmethod.AsatIivrmprnosreetmgesoably(MCeiunhorfbtc~seiotttttlrantmcmptitE)dsndrgtecusortyaacoiaigiePsiutdsg.TippritdcstetcnqeoMCadiplainiCBdsg,icuigCB'crieicnhsaenruehehiusfr
6、EontapitnPeisconnldntecocfB,tearnenfeen,tedsgfrudtae,mantcsadsarcsFn,hhieoPCshragmetolmetheioonrcssngirenilte.iaangalL,oiigwtROEL9E,adsgtofrdcnlcrmantnefrneipeetd.YCmbnnIPT9SHEDOEU我咩IgGEIEE的rsneitreeCNC關(guān)鍵詞:印制電路板;磁兼容;電電磁干擾;RTLPOE可比性;可容許性中圖分類號:N1,N3T40T2:0文獻標識碼:一電磁環(huán)境電平
7、是由自然干擾源及人為干擾源的電1引言電磁兼容(MC是一門新興的綜合性學科,E)它主要研究電磁干擾和抗干擾的問題。電磁兼容性是指電子設(shè)備或系統(tǒng)在規(guī)定的電磁環(huán)境電平下不因電磁干擾而降低性能指標,時它們本身產(chǎn)同生的電磁輻射不大于檢定的極限電平,影響其不磁能量共同形成的。電子設(shè)備和系統(tǒng)的電磁兼容性指標已成為電子設(shè)備和系統(tǒng)設(shè)計在研制時的一個重要的技術(shù)要求?,F(xiàn)在已經(jīng)有了抑制電子設(shè)備和系統(tǒng)的E我的國際標準,統(tǒng)稱為電磁兼容(M)EC標準,它們可以作為普通設(shè)計者布線和布局時抑制電磁輻射和干擾的準則。對于軍用電子產(chǎn)品設(shè)計者來說,標準會更嚴格,要求更
8、苛刻。它電子設(shè)備或系統(tǒng)的正常運行,并達到設(shè)備與設(shè)備、系統(tǒng)與系統(tǒng)之間互不干擾、同可靠地工作的共目的。而電磁環(huán)境電平是受試設(shè)備或系統(tǒng)在不加電時,于規(guī)定的試驗場地和時間內(nèi),在于周圍空存目前,電子器材用于各類電子設(shè)備和系統(tǒng)仍然以印制電路板為主要裝配方式。實踐證明,即使電