BS-EN-2591-221-2007.pdf
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1、BRITISH STANDARD BS EN 2591-221:2007 Aerospace series Elements of electrical and optical connection Test methods Part 221: Voltage Standing Wave Ratio (VSWR) ICS 49.060 ? Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001
2、Not for Resale, 08/14/2008 20:23:55 MDTNo reproduction or networking permitted without license from IHS -,-,- BS EN 2591-221:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2008 BSI 2008 ISBN 978 0 580 56475 8 National foreword T
3、his British Standard is the UK implementation of EN 2591-221:2007. The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology. A list of organizations represented on this committee can be obtained on request to its secr
4、etary. 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 publication DateComments Copyright B
5、ritish Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:23:55 MDTNo reproduction or networking permitted without license from IHS -,-,- EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2591-221 December 2
6、007 ICS 49.060 English Version Aerospace series - Elements of electrical and optical connection - Test methods - Part 221: Voltage Standing Wave Ratio (VSWR) Srie arospatiale - Organes de connexion lectrique et optique - Mthodes dessais - Partie 221 : Ratio dOndes Stationnaires Luft- und Raumfahrt -
7、 Elektrische und optische Verbindungselemente - Prfverfahren - Teil 221: Stehwellenverhltnis This 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 European Standard the sta
8、tus of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards 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).
9、A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republ
10、ic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE N
11、ORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2591-221:2007: E Copyright British Standards Institution Provided by IHS under l
12、icense with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:23:55 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 Contents Page Foreword3 1 Scope 4 2 Normative references4 3 Preparation of specimens.4 4 Apparatus .5 5 Procedure .6 6 Req
13、uirement.6 7 Detail to be specified.6 Annex A (normative) Definition of S parameters .8 BS EN 2591-221:2007 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:23:55 MDTNo reproduction or netwo
14、rking permitted without license from IHS -,-,- 3 Foreword This document (EN 2591-221:2007) 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 Standa
15、rd has received the approval of the National Associations 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 b
16、y June 2008, and conflicting national standards shall be 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
17、 rights. According to the CEN/CENELEC Internal Regulations, 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
18、, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 2591-221:2007 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing
19、 Co/5910770001 Not for Resale, 08/14/2008 20:23:55 MDTNo reproduction or networking permitted without license from IHS -,-,- 4 1 Scope This standard specifies a measurement method of VSWR, in the required frequency bandwidth of coax contacts or connectors with characteristic impedance. It shall be u
20、sed together with EN 2591-100. The measurement is carried out according to vectorial method using “S” parameters (see definition in Annex A). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited
21、 applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2591-100, Aerospace series Elements of electrical and optical connection Test methods Part 100: General. 3 Preparation of specimens Method “A” This method is applicable, when a cali
22、brated adapter, for the series of connectors or contacts to be tested, exists. The sampling shall include, for each specified cable, one section of coaxial cable with device under test at both ends. The section is constituted/described only as follows (see Figure 1): (600 2,5) mm of coaxial cable 1
23、male coaxial device 1 female coaxial device Key 1 Male coaxial device 2 Female coaxial device 3 Coaxial cable; Lg. = (600 2,5) mm Figure 1 BS EN 2591-221:2007 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resa
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