BS-EN-60862-1-2003.pdf
BRITISH STANDARD BS EN 60862-1:2003 Surface acoustic wave (SAW) filters of assessed quality Part 1: Generic specification The European Standard EN 60862-1:2003 has the status of a British Standard ICS 31.140 ? Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60862-1:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2003 © BSI 30 September 2003 ISBN 0 580 42674 2 National foreword This British Standard is the official English language version of EN 60862-1:2003. It is identical with IEC 60862-1:2003. It supersedes BS EN 166000:1996 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee EPL/49, Piezo-electric devices for frequency control and selection, which has the responsibility to: A list of organizations represented on this committee 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 Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. 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 does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests 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 41 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 60862-1 NORME EUROPÉENNE EUROPÄISCHE NORM August 2003 CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels © 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60862-1:2003 E ICS 31.140 Supersedes EN 166000:1995 English version Surface acoustic wave (SAW) filters of assessed quality Part 1: Generic specification (IEC 60862-1:2003) Filtres à ondes acoustiques de surface (OAS) sous assurance de la qualité Partie 1: Spécification générique (CEI 60862-1:2003) Oberflächenwellenfilter (OFW-Filter) mit bewerteter Qualität Teil 1: Fachgrundspezifikation (IEC 60862-1:2003) This European Standard was approved by CENELEC on 2003-07-01. CENELEC members are bound to comply with the CEN/CENELEC 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 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 versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Lithuania, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Foreword The text of document 49/587/FDIS, future edition 2 of IEC 60862-1, 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 EN 60862-1 on 2003-07-01. This European Standard supersedes EN 166000:1995. 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 (dop) 2004-04-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2006-07-01 Annexes designated “normative“ are part of the body of the standard. In this standard, annex ZA is normative. Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60862-1:2003 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60068-2-10 NOTE Harmonized as HD 323.2.10 S3:1988 (not modified). IEC 60862-2 NOTE Harmonized as EN 60862-2:2002 (not modified). _ Page 2 EN 608621:2003 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CONTENTS 1 General 4 1.1 Scope4 1.2 Normative references 4 1.3 Order of precedence of documents6 2 Terms, definitions, units and symbols.6 2.1 General.6 2.2 Definitions.6 2.3 Preferred values for ratings and characteristics.15 3 Marking 17 3.1 Filter marking 17 3.2 Package marking.17 4 Quality assessment procedures18 4.1 Primary stage of manufacture18 4.2 Structurally similar components.18 4.3 Subcontracting 18 4.4 Incorporated components 18 4.5 Manufacturers approval18 4.6 Approval procedures .18 4.7 Procedures for capability approval 19 4.8 Procedures for qualification approval.20 4.9 Test procedures 20 4.10 Screening requirements 20 4.11 Rework and repair work.20 4.12 Certified records of released lots.20 4.13 Validity of release21 4.14 Release for delivery 21 4.15 Unchecked parameters21 5 Test and measurement procedures.21 5.1 General.21 5.2 Test and measurement conditions .21 5.3 Visual inspection .22 5.4 Dimensions and gauging procedures.22 5.5 Electrical test procedures 23 5.6 Mechanical and environmental test procedures .32 5.7 Endurance test procedure .37 Annex ZA ()normative) Normative references to international publication with their corresponding European publications .38 Bibliography41 Figure 1 Frequency response of a SAW filter .14 Figure 2 Insertion attenuation, phase, and group delay measurement24 Figure 3 Return attenuation measurement .27 Figure 4 Unwanted signal measurement 29 Figure 5 Unwanted signals on time domain measuring.29 Figure 6 Intermodulation distortion measurement.30 Page 3 EN 608621:2003 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI SURFACE ACOUSTIC WAVE (SAW) FILTERS OF ASSESSED QUALITY Part 1: Generic specification 1 General 1.1 Scope This part of IEC 60862 specifies the methods of test and general requirements for SAW filters of assessed quality using either capability approval or qualification approval procedures. 1.2 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. IEC 60027 (all parts), Letter symbols to be used in electrical technology IEC 60050(561):1991, International Electrotechnical Vocabulary (IEV) Chapter 561: Piezoelectric devices for frequency control and selection IEC 60068-1:1988, Environmental testing Part 1: General and guidance IEC 60068-2-1:1990, Environmental testing Part 2: Tests Tests A: Cold IEC 60068-2-2:1974, Environmental testing Part 2: Tests Tests B: Dry heat IEC 60068-2-6:1995, Environmental testing Part 2: Tests Test Fc: Vibration (sinusoidal) IEC 60068-2-7:1983, Environmental testing Part 2: Tests Test Ga: Acceleration, steady state IEC 60068-2-13:1983, Environmental testing Part 2: Tests Test M: Low air pressure IEC 60068-2-14:1984, Environmental testing Part 2: Tests Test N: Change of temperature IEC 60068-2-17:1994, Environmental testing Part 2: Tests Test Q: Sealing IEC 60068-2-20:1979, Environmental testing Part 2: Tests Test T: Soldering IEC 60068-2-21:1999, Environmental testing Part 2-21: Tests Test U: Robustness of terminations and integral mounting devices IEC 60068-2-27:1987, Environmental testing Part 2: Tests Test Ea and guidance: Shock Page 4 EN 608621:2003 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IEC 60068-2-29:1987, Environmental testing Part 2: Tests Test Eb and guidance: Bump IEC 60068-2-30:1980, Environmental testing Part 2: Tests Test Db and guidance: Damp heat, cyclic (12 + 12-hour cycle) IEC 60068-2-32:1975, Environmental testing Part 2: Tests Test Ed: Free fall (Procedure 1) IEC 60068-2-45:1980, Environmental testing Part 2: Tests Test XA and guidance: Immersion in cleaning solvents IEC 60068-2-52:1996, Environmental testing Part 2: Tests Test Kb: Salt mist, cyclic (sodium chloride solution) IEC 60068-2-58:1999, Environmental testing Part 2-58: Tests Test Td: Test methods for solderabilitly, resistance to dissolution of metallization and to soldering heat of surface mounting devices (SMD) IEC 60068-2-64:1993, Environmental testing Part 2: Tests Test Fh: Vibration, broad-band random (digital control) and guidance IEC 60068-2-78:2001, Environmental testing Part 2-78: Tests Test Cab: Damp heat, steady state IEC 60122-1:2002, Quartz crystal units of assessed quality Part 1: Generic specification IEC 60617, Graphical symbols for diagrams IEC 60642:1979, Piezoelectric ceramic resonators and resonator units for frequency control and selection Chapter I: Standard values and conditions Chapter II: Measuring and test conditions IEC 60695-2-2:1991, Fire hazard testing Part 2: Test methods Section 2: Needle-flame test IEC 61000-4-2:1995, Electromagnetic compatibility (EMC) Part 4: Testing and measurement techniques Section 2: Electrostatic discharge immunity test. Basic EMC Publication Amendment 1 (1998) Amendment 2 (2000) 1 IEC QC 001001:2000, IEC Quality Assessment System for Electronic Components (IECQ) - Basic Rules IEC QC 001002-2:1998, IEC Quality Assessment System for Electronic Components (IECQ) Rules of Procedure Part 2: Documentation IEC QC 001002-3:1998, IEC Quality Assessment system for Electronic Components (IECQ) Rules of Procedure Part 3: Approval Procedures 1 There is a consolidated edition 1.2 (2001) that includes IEC 61000-4-2 (1995) and its amendments 1 (1998) and 2 (2000). Page 5 EN 608621:2003 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IEC QC 001005:2000, Register of Firms, Products and Services approved under the IECQ System, including ISO 9000 ISO 1000:1992, SI units and recommendations for use of their multiples and of certain other units 1.3 Order of precedence of documents Where any discrepancies occur for any reason, documents shall rank in the following order of precedence: the detail specification; the sectional specification; the generic specification; any other international documents (for example, of the IEC) to which reference is made. The same order of precedence shall apply to equivalent national documents. 2 Terms, definitions, units and symbols 2.1 General Units, graphical symbols, letter symbols and terminology shall, wherever possible, be taken from the following standards: IEC 60027 IEC 60050(561) IEC 60617 IEC 60642 IEC 60122-1 ISO 1000 2.2 Definitions For the purposes of this document, the following definitions apply. 2.2.1 General terms 2.2.1.1 surface acoustic wave (SAW) acoustic wave, propagating along a surface of an elastic substrate, whose amplitude decays exponentially with substrate depth 2.2.1.2 surface acoustic wave filter (SAW filter) filter characterized by a surface acoustic wave which is usually generated by an interdigital transducer and propagates along a substrate surface to a receiving transducer 2.2.1.3 power flow vector vector, analogous to a Poynting vector, characterizing energy propagation caused by a surface acoustic wave Page 6 EN 608621:2003 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 2.2.1.4 propagation vector vector characterizing the phase progression of a wave 2.2.1.5 power flow angle the angle between the direction of the power flow vector and the direction of the propagation vector 2.2.1.6 SAW beam steering SAW propagation phenomenon in anisotropic materials described by an angle of power flow which is not zero 2.2.1.7 SAW diffraction phenomenon (analogous to diffraction of light from a source of finite aperture) which causes SAW beam spreading and wave-front distortion 2.2.1.8 SAW coupling coefficient (ks2) SAW electromechanical coupling coefficient is defined as follows: s s 2 s 2 =k where vs is the SAW propagation velocity on free surface; vs is the change of SAW velocity due to short-circuiting the surface potential; vs/vs is the relative velocity change produced by short-circuiting the surface potential from the open-circuit condition 2.2.1.9 interdigital transducer (IDT) SAW transducer made of two comb-like conductive structures deposited on a piezoelectric substrate transforming electrical energy into acoustic energy or vice versa 2.2.1.10 unidirectional interdigital transducer (UDT) transducer capable of radiating and receiving surface acoustic waves in or from a single direction 2.2.1.11 multiphase transducer interdigital transducer having more than two inputs which are driven in different phases. Usually used as a unidirectional transducer 2.2.1.12 finger element of the IDT comb electrode 2.2.1.13 dummy finger passive finger which may be included in order to suppress wave-front distortion Page 7 EN 608621:2003 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 17:19:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 2.2.1.14 split finger finger formed of more than one element, so as to produce antireflection properties in a surface acoustic wave filter 2.2.1.15 bus bar common electrode which connects individual fingers together and also connects the filter to an external circuit 2.2.1.16 weighted-response transducer transducer intended to produce a specified impulse response by design of the
