1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-702:2001 Elements of electrical and optical connection Test methods Part 702: Electrical elements Measurement of signal distortion of couplers The European Standard EN 2591-702:2001 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PE
2、RMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 2591-702:2001 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 Decemb
3、er 2001 ISBN 0 580 38112 9 National foreword This British Standard is the official English language version of EN 2591-702:2001. 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, Aeros
4、pace - Connectors, 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
5、 Standards 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 respons
6、ible for their 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 interest
7、s informed; 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 to 4, an inside back cover and a back cover. The BSI copyright date displayed in this document
8、indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2591702 November2001 ICS49.060 Englishversion AerospaceseriesElementsofelectricalandopticalconnection TestmethodsPart702:ElectricalelementsMeasureme
9、ntof signaldistortionofcouplers SriearospatialeOrganesdeconnexionlectriqueet optiqueMthodesdessaisPartie702:Organes lectriquesMesuredeladistorsiondusignaldes coupleurs LuftundRaumfahrtElektrischeundoptische VerbindungselementePrfverfahrenTeil702: ElektrischeElementeMessungderSignalverzerrungvon Kopp
10、lern ThisEuropeanStandardwasapprovedbyCENon4June2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsma
11、ybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official vers
12、ions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITE
13、EFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2591702:2001EEN2591702:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). Afte
14、rinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenti
15、cal textorbyendorsement,atthelatestbyMay2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyMay2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finl
16、and,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN2591702:2001(E) 3 1 Scope Thisstandardspecifiesamethodofmeasuringsignaldistortionofcouplers. ItshallbeusedtogetherwithEN2591100. 2 Normativereferences ThisEuropeanSta
17、ndardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporated
18、initbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN2591100 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part100:General 1) 3 Preparationofspecimens Unlessspecifiedinthetechnicalspecification,thefollowingdetailsshallbestated: dist
19、ortion S,(seefigure3); droppercentage D,(seefigure3); testtemperature. 4 Method Thetestiscarriedoutusingasignalgeneratorandanoscilloscopeconnectedasonfigure2. Thesignalshallbesquarewave,frequency250kHz,andcomplywithfigure1unlessotherwisespecifiedin thetechnicalspecification.Risetimeandfalltimeshallb
20、e100nsmaximum,measuredat10%andat90% ofpeakamplitude. Figure1Inputsignal 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN2591702:2001(E) 4 Key 1 Signalgenerator 2 Coupler 3 Oscilloscope R=(360 18 ) Figure2Testsetup Figure3Outputsignal 5 Requirements Distortion Sanddroppercentage D
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