IEC 60444-1-1986 Measurement of quartz crystal unit parameters by zero phase technique in a π-network part 1 basic method for the measurement of resonance frequency and resonance r.pdf

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1、NORME INTERNATIONALE INTERNATIONAL STANDARD CEI IEC 444-1 Deuxime dition Second edition 1986 Mesure des paramtres des quartz pizolectriques par la technique de phase nulle dans le circuit en Tt Premire partie: Mthode fondamentale pour la mesure de la frquence de rsonance et de la rsistance de rsonan

2、ce des quartz pizolectriques par la technique de phase nulle dans le circuit en ?C Measurement of quartz crystal unit parameters by zero phase technique in a 7t-network Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase tech

3、nique in a n-network IEC Numro de rfrence Reference number CEI/IEC 444-1: 1986Validit de la prsente publication Le contenu technique des publications de la CEI est cons- tamment revu par la CEI afin qul reflte ltat actuel de la technique. Des renseignements relatifs la date de reconfirmation de la p

4、ublication sont disponibles auprs du Bureau Central de la CEI. Les renseignements relatifs ces rvisions, ltablis- sement des ditions rvises et aux amendements peuvent tre obtenus auprs des Comits nationaux de la CEI et dans les documents ci-dessous: Bulletin de la CEI Annuaire de la CEI Publi annuel

5、lement Catalogue des publications de la CEI Publi annuellement et mis jour rgulirement Terminologie En ce qui concerne la terminologie gnrale, le lecteur se reportera la CEI 50: Vocabulaire Electrotechnique Inter- national (VEI), qui se prsente sous forme de chapitres spars traitant chacun dn sujet

6、dfini. Des dtails complets sur le VEI peuvent tre obtenus sur demande. Voir galement le dictionnaire multilingue de la CEI. Les termes et dfinitions figurant dans la prsente publi- cation ont t soit tirs du VEI, soit spcifiquement approuvs aux fins de cette publication. Symboles graphiques et littra

7、ux Pour les symboles graphiques, les symboles littraux et les signes dsage gnral approuvs par la CEI, le lecteur consultera: la CEI 27: Symboles littraux utiliser en lectro-technique; la CEI 417: Symboles graphiques utilisables sur le matriel. Index, relev et compilation des feuilles individuelles;

8、la CEI 617: Symboles graphiques pour schmas; et pour les appareils lectromdicaux, la CEI 878: Symboles graphiques pour quipements lectriques en pratique mdicale. Les symboles et signes contenus dans la prsente publi- cation ont t soit tirs de la CEI 27, de la CEI 417, de la CEI 617 et/ou de la CEI 8

9、78, soit spcifiquement approuvs aux fins de cette publication. Publications de la CEI tablies par le mme comit dtudes Lttention du lecteur est attire sur les listes figurant la fin de cette publication, qui numrent les publications de la CEI prpares par le comit dtudes qui a tabli la prsente publica

10、tion. Validity of this publication 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 the date of the reconfirmation of the publication is available from the IEC Central Office. Infor

11、mation on the revision work, the issue of revised editions and amendments may be obtained from IEC National Committees and from the following IEC sources: IEC Bulletin IEC Yearbook Published yearly Catalogue of IEC publications Published yearly with regular updates Terminology For general terminolog

12、y, readers are referred to IEC 50: International Electrotechnical Vocabulary (IEV), which is issued in the form of separate chapters each dealing with a specific field. Full details of the IEV will be supplied on request. See also the IEC Multilingual Dictionary. The terms and definitions contained

13、in the present publi- cation have either been taken from the IEV or have been specifically approved for the purpose of this publication. Graphical and letter symbols For graphical symbols, and letter symbols and signs approved by the IEC for general use, readers are referred to publications: IEC 27:

14、 Letter symbols to be used in electrical technology; IEC 417: Graphical symbols for use on equipment. Index, survey and compilation of the single sheets; IEC 617: Graphical symbols for diagrams; and for medical electrical equipment, I EC 878: Graphical symbols for electromedical equipment in medical

15、 practice. The symbols and signs contained in the present publication have either been taken from IEC 27, IEC 417, IEC 617 and/or IEC 878, or have been specifically approved for the purpose of this publication. IEC publications prepared by the same technical committee The attention of readers is drawn to the end pages of this publication which list the IEC publications issued by the technical committee which has prepared the present publication.