IEC_TS_61994-3-2021.pdf

IEC TS 61994-3 Edition 3.0 2021-01 TECHNICAL SPECIFICATION Piezoelectric,dielectric and electrostatic devices and associated materials for frequency control,selection and detection Glossary Part 3:Piezoelectric,dielectric and electrostatic oscillators IEC TS 61994-3:2021-01(en)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2021 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEC or IECs 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 IEC member National Committee for further information.IEC Central Office Tel.:+41 22 919 02 11 3,rue de Varemb infoiec.ch CH-1211 Geneva 20 www.iec.ch Switzerland 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.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigendum or an amendment might have been published.IEC publications search-webstore.iec.ch/advsearchform The advanced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available online and once a month by email.IEC Customer Service Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:salesiec.ch.IEC online collection-oc.iec.ch Discover our powerful search engine and read freely all the publications previews.With a subscription you will always have access to up to date content tailored to your needs.Electropedia-www.electropedia.org The worlds leading online dictionary on electrotechnology,containing more than 22 000 terminological entries in English and French,with equivalent terms in 18 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.IEC TS 61994-3 Edition 3.0 2021-01 TECHNICAL SPECIFICATION Piezoelectric,dielectric and electrostatic devices and associated materials for frequency control,selection and detection Glossary Part 3:Piezoelectric,dielectric and electrostatic oscillators INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 31.140;01.040.31 ISBN 978-2-8322-9306-5 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.2 IEC TS 61994-3:2021 IEC 2021 CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Terms and definitions.5 Bibliography.19 Figure 1 Characteristics of an output waveform.7 Figure 2 Example of the use of frequency offset.8 Figure 3 Linearity of frequency modulation deviation.10 Figure 4 Basic configuration of one-port SAW resonator with open-circuited metal strip arrays.11 Figure 5 Clock signal with period jitter.12 Figure 6 Definition of start-up time.16 Figure 7 Basic configurations of two-port SAW resonators with short-circuited metal strip arrays.18 IEC TS 61994-3:2021 IEC 2021 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PIEZOELECTRIC,DIELECTRIC AND ELECTROSTATIC DEVICES AND ASSOCIATED MATERIALS FOR FREQUENCY CONTROL,SELECTION AND DETECTION GLOSSARY Part 3:Piezoelectric,dielectric and electrostatic oscillators FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC Publication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interested in the subject dealt with may participate in this preparatory work.International,governmental and non-governmental organizations liaising with the IEC also participate in this preparation.IEC collaborates closely with the International Organization for Standardization(ISO)in accordance with conditions determined by agreement between the two organizations.2)The formal decisions or agreements of IEC on technical matters express,as nearly as possible,an international consensus of opinion on the rele