IEC 60122-2-1-1991 Quartz crystal units for frequency control and selection part 2 guide to the use of quartz crystal units for frequency control and selection section 1 quartz cry.pdf

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1、NORME INTERNATIONALE INTERNATIONAL STANDARD CEI IEC 122-2-1 Premire dition First edition 1991-07 Quartz pour le contrle et la slection de la frquence Deuxime partie: Guide pour lmploi des rsonateurs quartz pour le contrle et la slection de la frquence Section un: Rsonateurs quartz comme base de temp

2、s dans les microprocesseurs Quartz crystal units for frequency control and selection Part 2: Guide to the use of quartz crystal units for frequency control and selection Section one: Quartz crystal units for microprocessor clock supply IEC Numro de rfrence Reference number CEI/IEC 122-2-1: 1991Numro

3、s des publications Depuis le 1er janvier 1997, les publications de la CEI sont numrotes partir de 60000. Publications consolides Les versions consolides de certaines publications de la CEI incorporant les amendements sont disponibles. Par exemple, les numros ddition 1.0, 1.1 et 1.2 indiquent respect

4、ivement la publication de base, la publication de base incorporant lmendement 1, et la publication de base incorporant les amendements 1 et 2. Validit de la prsente publication Le contenu technique des publications de la CEI est constamment revu par la CEI afin qul reflte ltat actuel de la technique

5、. Des renseignements relatifs la date de reconfir- mation de la publication sont disponibles dans le Catalogue de la CEI. Les renseignements relatifs des questions ltude et des travaux en cours entrepris par le comit technique qui a tabli cette publication, ainsi que la liste des publications tablie

6、s, se trouvent dans les documents ci- dessous: Site web de la CEI Catalogue des publications de la CEI Publi annuellement et mis jour rgulirement (Catalogue en ligne) Bulletin de la CEI Disponible la fois au site web de la CEI et comme priodique imprim Terminologie, symboles graphiques et littraux E

7、n ce qui concerne la terminologie gnrale, le lecteur se reportera la CEI 60050: Vocabulaire lectro- technique International (VEI). Pour les symboles graphiques, les symboles littraux et les signes dsage gnral approuvs par la CEI, le lecteur consultera la CEI 60027: Symboles littraux utiliser en lect

8、rotechnique, la CEI 60417: Symboles graphiques utilisables sur le matriel. Index, relev et compilation des feuilles individuelles, et la CEI 60617: Symboles graphiques pour schmas. Numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. Consolidated p

9、ublications Consolidated versions of some IEC publications including amendments are available. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incor- porating amendment 1 and the base publication incorporating amendments 1 and 2. Valid

10、ity 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 in the IEC catalogue. Information on the subj

11、ects 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 to be found at the following IEC sources: IEC web site Catalogue of IEC publications Published yearly with regular updates (On-line

12、catalogue) IEC Bulletin Available both at the IEC web siteand as a printed periodical Terminology, graphical and letter symbols For general terminology, readers are referred to IEC 60050: International Electrotechnical Vocabulary (IEV). For graphical symbols, and letter symbols and signs approved by

13、 the IEC for general use, readers are referred to publications IEC 60027: Letter symbols to be used in electrical technology, IEC 60417: Graphical symbols for use on equipment. Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols for diagrams.Voir adresse site web sur la page de titre.See web site address on title page.

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