1、BRITISH STANDARDBS EN 2591-223:2007Aerospace series Elements of electrical and optical connection Test methods Part 223: Measurement of characteristic impedance of a coaxial connector or contactICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g
2、3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 2591-223:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 February 2008 BSI 2008ISBN 978 0 580 56477 2National forewordThis Br
3、itish Standard is the UK implementation of EN 2591-223:2007.The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Panel ACE/6/-/3, Aerospace Connectors.A list of organizations represented on this committee can
4、be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publ
5、icationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 2591-223December 2007ICS 49.060English VersionAerospace series - Elements of electrical and optical connection- Test methods - Part 223: Measurement of characteristicimpedance of a coaxial connector or contactSrie arospatiale - Or
6、ganes de connexion lectrique etoptique - Mthodes dessais - Partie 223: Mesure delimpdance caractristique dun connecteur ou duncontact coaxialLuft- und Raumfahrt - Elektrische und optischeVerbindungselemente - Prfverfahren - Teil 223: Messungder Impedanz eines Koaxial-Steckverbinders oder -KontaktesT
7、his European Standard was approved by CEN on 27 April 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical referenc
8、es concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into i
9、ts own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lith
10、uania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN
11、 All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 2591-223:2007: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Preparation of specimens.4 4 Apparatus .5 5 Requirement.5 6 Detail to be specified.5 EN 2591-223:20073 Forewo
12、rd This document (EN 2591-223:2007) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associatio
13、ns and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2008, and conflicting national standards shall b
14、e withdrawn at the latest by June 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulati
15、ons, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherla
16、nds, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 2591-223:20074 1 Scope This standard specifies a test method of measuring the characteristic impedance of a couple of connectors, a couple of coaxial contacts. It shall be use together w
17、ith EN 2591-100. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2591-1
18、00, Aerospace series Elements of electrical and optical connection Test methods Part 100: General. EN 3155-002, Aerospace series Electrical contacts used in elements of connection Part 002: List and utilization of contacts. EN 4604-002, Aerospace series Cable, electrical, for signal transmission Par
19、t 002: General. 3 Preparation of specimens 3.1 Connectors Each contact shall be wired with the shortest possible length of coaxial cable according to EN 4604-002, with the closest impedance to the product standard. The free end of one coaxial cable shall be connected to a load resistor with same val
20、ue than the cable impedance. 3.2 Contacts Each contact shall be wired with the shortest possible length of coaxial cable according to EN 4604-002, with the closest impedance to the product standard. Then the contact shall be fitted in a dedicated connector as per EN 3155-002. The free end of one coa
21、xial cable shall be connected to a load resistor with same value than the cable impedance. See Figure 1. EN 2591-223:20075 Key 1 Impedance meter reflectometer 2 Coaxial cable 3 Coaxial male connector (or contact) 4 Coaxial female connector (or contact) 5 Load resistor Figure 1 4 Apparatus The measur
22、ement shall require the use of an impedance meter reflection meter. The test signal shall be sinusoidal, frequency range in accordance with product standard needs. 5 Requirement The recorded impedance value of the device under test shall comply with specified value in the product standard. 6 Detail
23、to be specified Coaxial cable type. Impedance meter manufacturer, type and serial number. Frequency of measurement. EN 2591-223:2007BS EN 2591-223:2007BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standard
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