EN 61119-3-1994 en Digital Audio Tape Cassette System (DAT) Part 3 DAT Tape Properties《数字音频盒式磁带系统(DAT) 第3部分 DAT的磁带属性(IEC 1119-3-1992)》.pdf
《EN 61119-3-1994 en Digital Audio Tape Cassette System (DAT) Part 3 DAT Tape Properties《数字音频盒式磁带系统(DAT) 第3部分 DAT的磁带属性(IEC 1119-3-1992)》.pdf》由会员分享,可在线阅读,更多相关《EN 61119-3-1994 en Digital Audio Tape Cassette System (DAT) Part 3 DAT Tape Properties《数字音频盒式磁带系统(DAT) 第3部分 DAT的磁带属性(IEC 1119-3-1992)》.pdf(15页珍藏版)》请在麦多课文档分享上搜索。
1、CENELEC EN*bLL39-3 94 = 3404583 0346823 435 BRITISH STANDARD Digital audio tape cassette system (DAT) Part 3. DAT tape properties The European Standard EN 61119-3 : 1994 has the status of a British Standard UDC 621.396.7 : 681.84.083.84 BS EN 61119-3 : 1994 IEC 1119-3 : 1992 CENELEC EN*bL339-3 94 34
2、04583 0346824 371 BS EN 61119-3 : 1994 Cooperating organizations The European Committee for Electrotechnical Standardization (CENELEC), under whose supervision this European Standard was prepared, comprises the national committees of the following countries: Austria Italy Belgium Luxembourg Denmark
3、Netherlands Finland Norway France Portugal Germany Spain Greece Sweden Iceland Switzerland Ireland United Kingdom This British Standard, having 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
4、 December 1994 O BSI 1994 “he following BSI references relate to the work on this standard: Committee reference EEL/ZZ Draft for comment 88/30302 DC ISBN O 680 23629 7 Amendments issued since publication Amd. No. Date Ext affected -_ - - _ - - _ . - - .- CENELEC EN*blll9-3 94 m 3404583 0146825 208 m
5、 BS EN 61119-8 : 1994 Contents Page Cooperating organizations Inside front cover National foreword i Foreword 2 Text of EN 61119-3 3 National annex NA (informative) Committees responsible Inside back cover _- Kational annex NB (informative) Cross-references Inside back cover National foreword This B
6、ritish Standard has been prepared under the direction of the Electrotechnical Sector Board and is the English language version of EN 61119-3 : 1994 LXqitul uudio tape ccissette systern (DATJ Pwt 3: DAT tape propwties, published by the European Committee for Electrotechnical Standardization (CEMELEC)
7、. It is identical with IEC 1119-3 : 1992, published by the International Electrotechnical Commission (IEC). BS EN 61119 consists of the following Parts: Pait 1 Lhkensions and cliamcterstics Part 2 DAT culibrutiorz tap Part 3 DAT tape properties part 5 DAT fur prqfessorial use1) part 6 Serial copg r?
8、ici?qm?writ sgstmn Part T DAT logo upplcation nile) Part 4 Chiil.actw yaclzfonrzatl) Compliance with a British Standard does not of itself confer immunity from legal obligations. in preparation. i CENELEC EN*b1119-3 94 = 3404583 0346826 144 m EUROPEAN STANDARD EN 61119-3 NORME EUROPENNE EUROPISCHE N
9、ORM July 1994 UDC 621.306.7 : 681.84.083.84 Descriptors: Sound recording, digital recording, data recording devices, audio cassettes, magnetic tapes, standard measure, characteristics, electrical properties, mechanical properties English version Digital audio tape cassette system (DAT) Part 3: DAT t
10、ape properties (IEC 1119-3 1992) Systme audionumrique cassette (DAT) Partie 3: Proprits des bandes Digitales Tonband-Kassetten-System Teil 3: DAT-Bandeigenschaften (CE1 1119-3 : 1992) (IEC 1119-3 : 1992) This European Standard was approved by CENELEC on 1994-0.5-15. CENELEC members are bound to comp
11、ly with the CEIVXENELEC 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 Sec
12、retariat or to 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
13、 the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Elect
14、rotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1994 Copyright reserved to CENELEC members Ref. No. EN 61119-3 : 1994 E Page 2 EN 61119-3 : 1994 Foreword The CENELE
15、C questionnaire procedure, performed for finding out whether or not the International Standard IEC 1119-3 : 1992 could be accepted without textual changes, has shown that no common modifications were necessary for the acceptance as a European Standard. The reference document was submitted to CENELEC
16、 members for formal vote and was approved by CENELEC as EN 61119-3 on 15 May 1994. The following dates were fixed: - latest date of publication of an identical national standard (dop) 1995-03-15 - latest date of withdrawal of conflicting national standards (dow) 1995-03-15 Annexes designated nonnati
17、ve are part of the body of the standard. Annexes designated informative are given only for information. In this standard, annex A is informative and annex ZA is normative. Page 3 EN 61119-3 : 1994 CONTENTS Page Clause 1 Scope and object . 3 3 2 Normative references . 3 Definitions (under considerati
18、on) 3 4 Technical requirements and test conditions . 3 4.1 Standard atmospheric conditions for testing 3 4.2 Mechanical characteristics of test equipment 3 4.3 Electrical characteristics of test equipment 4 4.4 Calibration tape 4 4.5 Reference tape . 4 4.6 Condition of the tape to be tested . 4 5 El
19、ectrical parameters to be measured . 4 5.2 RF output level 5 5.3 RF frequency response 5 5.4 Overwrite characteristics . 5 5.1 RF optimum recording current . 4 5.5 Carrier-to-noise ratio (C/N) 6 6 Mechanical and other parameters fo be tested . 6 6.1 Tape width . 6 6.2 Tape width fluctuation 6 6.3 To
20、tal tape thickness . 7 6.4 Yield force (F3) . 7 6.5 Residual elongation 7 6.6 Light transmittance . 7 6.7 Electrical resistance of magnetic coating 7 Annexes A (informative) Reference tape 8 ZA (normative) Other publications quoted in this standard with the refences of the relevant European publicat
21、ions 1 0 Page 4 EN 61119-3 : 1994 DIGITAL AUDIO TAPE CASSETTE SYSTEM (DAT) Part 3: DAT tape properties 1 Scope and object This part of IEC 11 19 applies to the properties of magnetic tapes used in the DAT cassette system. The purpose of this part is to specify the measurement methods and the minimum
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