IEC INTERNATIONAL STANDARD 60444-9 First edition 2007-02 FNSERAMSENITHISLANNBNAOLED BY BOOK SUPPLY BURAU. Measurement of quartz crystal unit parameters - Part 9: Measurementof spurious resonances of piezoelectric crystal units IEC Reference number IEC 60444-9:2007(E) Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1. Consolidated editions The IEC is now publishing consolidated versions of its publications.For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the amendments 1 and 2. Further informationonIECpublications The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to HOENSFERTAMESEN THISLOCANONBNYASORELIED BY BOOK SPPLY BUREAU. this publication, including its validity, is available in the IEc Catalogue of Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is also available from the following: IEC Web Site (www.iec.ch) Catalogue of IEC publications The on-line catalogue on the IEC web site (www.iec.ch/searchpub) enables you to and date of publication. On-line information is also available on recently issued publications, withdrawn and replaced publications, as well as corrigenda IEC Just Published This summary of recently issued publications (www.iec.ch/online news/justpub) is also available by email. Please contact the Customer Service Centre (see below) for further information. Customer Service Centre If you have any questions regarding this publication or need further assistance, please contact the Customer Service Centre: Email: [email protected] Tel: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC INTERNATIONAL STANDARD 60444-9 First edition 2007-02 HABYBOOKSULBURAU. Measurement of quartz crystal unit parameters- Part 9: Measurementofspuriousresonances ofpiezoelectric crystal units IEC 2007 ↓ Copyright - all rights reserved 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 the publisher. International Electrotechnical Commission, 3, rue de Varembe, PO Box 131, CH-1211 Geneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: [email protected] Web: www.iec.ch P PRICECODE EC Commission Electrotechnique Internationale International Electrotechnical Com m ission MekAyHapoHag 3neKTpoTexHIMeCKag KoMMCCWs For price, see current catalogue -2- 60444-9 IEC:2007(E) INTERNATIONALELECTROTECHNICALCOMMISSION MEASUREMENTOFQUARTZ CRYSTALUNITPARAMETERS Part 9: Measurement of spurious resonances ofpiezoelectric crystal units FOREWORD all national electrotechnical committees (IEC National Committees). The object of IEC is to promote HOENSERTAMUSENI THIS LOCANCONBANYASOPLIED BY BOOK SPPLY BUREAU. international co-operation on all questions concerning standardization in the electrical and electronic fields. To 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 governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international interestedIECNational Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense.While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for an