IEC IEC/TS 61994-1 Edition 2.02007-08 TECHNICAL SPECIFICATION Piezoelectric and dielectric devices for frequency control and selection - Glossary- Part 1: Piezoelectric and dielectric resonators IEC/TS 61994-1:2007(E) THISPUBLICATIONISCOPYRIGHTPROTECTED Copyright@2007IEC,Geneva,Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local EC member National Committee for further information. IEC Central Office 3, rue de Varembe CH-1211 Geneva 20 Switzerland Email: [email protected] wWeb: www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. AboutIECpublications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. : Catalogue of IEC publications: www.iec.ch/searchpub The IEc on-line Catalogue enables you to search by a variety of criteria (reference number, text, technical committee,..). It also gives information on projects, withdrawn and replaced publications. : IEC Just Published: www.iec.ch/online news/justpub Stay up to date on all new IEC publications. Just Published details twice a month all new publications released. Available on-line and also by email . Electropedia: www.electropedia.org The world's leading online dictionary of electronic and electrical terms containing more than 20 ooo terms and definitions in English and French, with equivalent terms in additional languages. Also known as the International Electrotechnical Vocabulary online. Customer Service Centre: www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ or contact us: Email: [email protected] Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC IEC/TS61994-1 Edition 2.02007-08 TECHNICAL SPECIFICATION Piezoelectric and dielectric devices for frequency control and selection - Glossary - Part1:Piezoelectricanddielectricresonators INTERNATIONAL ELECTROTECHNICAL COMMISSION S PRICE CODE ICS 31.140; 01.040.31 ISBN 2-8318-9298-8 DD IEC/TS 61994-1:2007 - 2 - TS 61994-1 @IEC:2007(E) CONTENTS FOREWORD 1 Scope. 2 Normative references .5 3 Terms and definitions Figure 1 - Configuration of a dielectric resonator (TEo1 mode type) . .8 Figure 2-Equivalent circuit of a piezoelectric vibrator (one-port resonator) ..9 Figure 3-Frequency characteristics of the impedance near resonance.. ..11 Figure 4-Equivalent circuit for a two-port SAwW resonator .12 Figure 5-Configuration of an interdigital transducer (IDT) .13 Figure6-Configuration of a oneport SAW resonator. ..16 Figure 7-Configuration of a twoport SAW resonator .21 DDIEC/TS61994-1:2007 TS 61994-1 @ IEC:2007(E) - 3 - INTERNATIONALELECTROTECHNICALCOMMISSION PIEZOELECTRICANDDIELECTRICDEVICES FORFREQUENCYCONTROLANDSELECTION GLOSSARY- Part 1:Piezoelectric and dielectric resonators FOREWORD The International Electrotechnical Commission (IEC)is a worldwide organization for standardization comprising 1] all national electrotechnical committees (IECNational.Committees).The object of IEC is topromote international addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports, Publicly AvailableSpecifications Publication(s)"). Their consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees 3) IEc Publications have the form of recommendations for international use and are accepted by IEc National Committee