BS EN 2591-703-2001 Elements of electrical and optical connection - Test methods - Electrical elements - Common mode rejection of couplers《电气和光学连接元件 试验方法 电气元件 耦合器的共态抑制》.pdf

1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-703:2001 Elements of electrical and optical connection Test methods Part 703: Electrical elements Common mode rejection of couplers The European Standard EN 2591-703:2001 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EX

2、CEPT AS PERMITTED BY COPYRIGHT LAWBS EN 2591-703:2001 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 14 December 2001 BSI 14 December 2001 ISB

3、N 0 580 38131 5 National foreword This British Standard is the official English language version of EN 2591-703:2001. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace Avionic Electrical and Fibre Optic Technology, to Subcommittee ACE/6/3, Aerospace - Conn

4、ectors, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards

5、Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for th

6、eir correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed;

7、 monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 and 3 and a back cover. The BSI copyright date displayed in this document indicates when the document was

8、last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2591703 November2001 ICS49.060 Englishversion AerospaceseriesElementsofelectricalandopticalconnection TestmethodsPart703:ElectricalelementsCommonmode rejectionofcouplers Sriearospa

9、tialeOrganesdeconnexionlectriqueet optiqueMthodesdessaisPartie703:Organes lectriquesRjectiondemodecommundescoupleurs LuftundRaumfahrtElektrischeundoptische VerbindungselementePrfverfahrenTeil703: ElektrischeElementeGleichtaktunterdrckungvon Kopplern ThisEuropeanStandardwasapprovedbyCENon4June2001. C

10、ENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCEN

11、member. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,

12、Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brusse

13、ls 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2591703:2001EEN2591703:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). Afterinquiriesandvotescarriedoutinaccordancewiththerulesoft

14、hisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyMay2002,andconflic

15、tingnationalstandardsshallbewithdrawnat thelatestbyMay2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembo

16、urg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN2591703:2001(E) 3 1 Scope Thisstandardspecifiesamethodofmeasuringcommonmoderejectionofcouplers. ItshallbeusedtogetherwithEN2591100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisions

17、fromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe la

18、testeditionofthepublicationreferredtoapplies. EN2591100 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part100:General 1) 3 Preparationofspecimens Thecouplerisconnectedasonfigure1. Unlessspecifiedinthetechnicalspecification,thefollowingdetailsshallbestated: valueof T,see4; stuban

19、dbuscablelength L1; testtemperature. Key 1 Signalgenerator 2B u s 3S t u b Figure1 4M e t h o d Thetestiscarriedoutusingasignalgeneratorconnectedasonfigure1. Thetestsignalshallbesinusoidal,frequency1MHz,amplitude0,3Vr.m.sCommonmoderejectionshall becalculatedwiththeformula: T 20log S1 S2 e V V V 5 Re

20、quirement Commonmoderejectionshallcomplywiththevaluespecifiedinthetechnicalspecification. 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardBS EN 2591-703:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible

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