EN 60679-4-1-1998 en Quartz Crystal Controlled Oscillators of Assessed Quality Part 4-1 Blank Detail Specification - Capability Approval《经质量评定的石英晶体振荡器 第4-1部分 空白详细规范 性能鉴定 IEC 60679-.pdf
《EN 60679-4-1-1998 en Quartz Crystal Controlled Oscillators of Assessed Quality Part 4-1 Blank Detail Specification - Capability Approval《经质量评定的石英晶体振荡器 第4-1部分 空白详细规范 性能鉴定 IEC 60679-.pdf》由会员分享,可在线阅读,更多相关《EN 60679-4-1-1998 en Quartz Crystal Controlled Oscillators of Assessed Quality Part 4-1 Blank Detail Specification - Capability Approval《经质量评定的石英晶体振荡器 第4-1部分 空白详细规范 性能鉴定 IEC 60679-.pdf(14页珍藏版)》请在麦多课文档分享上搜索。
1、 STD-BSI BS EN b0679-9-L-ENGL 1978 W Lb2LibbS 0709372 LI55 BRITISH STANDARD Quartz crystal controlled oscillators of assessed quality - Part 4-1: Blank detail specification - Capability approval The European Standard EN 60679-4-1:1998 has the status of a British Standard ICs 31.140 BS EN 60679-4-1:
2、1998 IEC 60679-4-1 .:1998 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 60679-4-1:1998 been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 16 June 1998 Amd. No. 0 BSI
3、1998 ISBN O 680 29932 6 National foreword Text affected “his British Standard is the English language veision of EN 6067941:1998. It is identical with IEC 6067941:199. It supersedes BS EN 169101:1995 which wi be withdrawn in due course (see note on page 2). The UK participation in its preparation wa
4、s entrusted to Technical Committee EPU49, piezoelectxic devices for frequency control and selection, which has the responsibility to: - aid enquirers to understand the text; - present to the responsible intemationavEuropean committee any enquiries on the interpretation, or proposals for change, and
5、keep the UK interests informed; - monitor related internaional and European developments and promulgate them in the K A list of organizations represente3 on this committee can be obtained on request to its secretary. From 1 January 1997, ail IEC publications have the number 60000 added to the old nu
6、mber. For instance, IEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include
7、 an annex which lists nonnative references to international publications with heir correspondmg European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitJed “international Standards Co
8、rrespondence Index“, or by using the “Find“ facility of the BSI Standards Electronic Catalogue. A British Standard dues not purport to include ali the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does
9、 not of itself confer immunity from legal obligations. Summary of pages This document comprises a hnt cover, an inside front cover, the EN titie page, pages 2 to 11 and a back cover. STD-BSI BS EN bOb79-4-1-ENGL 3998 3b24bb9 0709394 228 EUROPEAN STANDARD NORME EUROPEENNE EUROPISCHE NORM EN 60679-4-1
10、 April 1998 CS 31.140 Supairades EN 169101:1993 English version Quartz crystal controlled oscillators of assessed quality Part 4-1 : Blank detail specification - Capability approval (IEC 60679-4-1 :1998) Oscillateurs pilots par quartz sous assurance de la qualit Partie 4-1 : Spcification particulire
11、 cadre - Agrment de savoir-faire (CE1 60679-4- 1 : 1 998) Quartoszillatoren mit bewerteter Qualitt Teil 4-1 : Vordruck fr Bauartspetifikation Befhigungsanerkennung (IEC 60679-4-1 1998) * * rn This European Standard was approved by CENELEC on 1998-04-01. CENELEC members are bound to comply with the C
12、ENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status 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 Central Secretariat or to
13、 any CENELEC member. This European Standard exists in three official versions (English, French, German. A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official v
14、ersions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugd, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Elect
15、rotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: ruo do Stassart 35, 8 - 1OS Brussds 1998 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC rnombers. Ref. N
16、o. EN 6087941 : 1998 E Page 2 EN 60679-4-1:1998 Foreword The text of document 49/388/FDlS, future edition 1 of IEC 60679-4-1, prepared by IEC TC 49, Piezoelectric and dielectric devices for frequency control and selection, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as
17、 EN 60679-4-1 on 1998-04-01. This European Standard supersedes EN 169101 :1993. The following dates were fixed: - latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement with the EN have to be withdrawn (dow) - (dop) 1 99
18、9-0 1 -0 1 - I-atest date by which th,e national standards conflicting NOTE: The latest dato of withdrawal will k flxd when all pM1 of EN 60679, which are to re- W 168000 an its related spmcifkations, aro approved. This Standard is to be used in conjunction with EN 60679-1:1998 and EN.606794:1998. E
19、ndonoment notice The text of the International Standard IEC 60679-4-1 : 1998 was approved by CENELEC as a European Standard without any modification. STD-BSI BS EN bOb77-Y-L-ENGL 1998 m Lb24bb7 070719b OTO m Page 3 EN 60679-4-1:1998 INTRODUCTION Blank detail specification A blank detail specificatio
20、n is a supplementary document to the sectional specification and contains requirements for the minimum content of detail specifications. For custom-built quartz crystal controlled oscillators where the detail specification is not intended for publication, a suggested layout for the front page is giv
21、en in annex A. This is not mandatory, but it is recommended that the layout be followed whenever possible. Identification of the detail specification and of the component The numbers between square brackets on the front page correspond to the following information which should be given in the approp
22、riate boxes. l The name of the National Standards Organization under whose authority the detail specification is published and, if applicable, the organization from whom the detail specification is available. 2 The IECQ number allotted to the detail specification. 3 The number and issue number of th
23、e IEC generic or sectional specification, as relevant; also national reference if different. 4 If different from the IEC number, the national number of the detail specification, date of issue and any further information required by the national system, together with any amendment numbers. 5 A brief
24、description of the quartz crystal controlled oscillator, or range of oscillators (for example, SPXO and output frequency). 6 Information on typical construction, where applicable (for example, resistance-welded or cold-welded). For 5 and 6 the text to be given in the detail specification should be s
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