EN 60444-7:2004
(Main)Measurement of quartz crystal unit parameters - Part 7: Measurement of activity and frequency dips of quartz crystal units
Measurement of quartz crystal unit parameters - Part 7: Measurement of activity and frequency dips of quartz crystal units
Describes the procedure for measuring and evaluating activity and frequency dips for quartz crystal units over a temperature range.
Messung von Schwingquarz-Parametern - Teil 7: Messung von Aktivitäts- und Frequenz-Dips von Schwingquarzen
Mesure des paramètres des résonateurs à quartz - Partie 7: Mesure des baisses de l'activité et de la fréquence des résonateurs à quartz
Describes the procedure for measuring and evaluating activity and frequency dips for quartz crystal units over a temperature range.
Merjenje parametrov enot iz kremenovega kristala – 7. del: Merjenje aktivnosti in frekvenčnih gibov (frekvenčno odvisni mehanski nihaji) enot iz kremenovega kristala (IEC 60444-7:2004)
General Information
Standards Content (Sample)
SLOVENSKI SIST EN 60444-7:2005
STANDARD
marec 2005
Merjenje parametrov enot iz kremenovega kristala – 7. del: Merjenje aktivnosti
in frekvenčnih gibov (frekvenčno odvisni mehanski nihaji) enot iz
kremenovega kristala (IEC 60444-7:2004)
Measurement of quartz crystal unit parameters - Part 7: Measurement of activity
and frequency dips of quartz crystal units (IEC 60444-7:2004)
ICS 31.140 Referenčna številka
SIST EN 60444-7:2005(en)
© Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno
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EUROPEAN STANDARD EN 60444-7
NORME EUROPÉENNE
EUROPÄISCHE NORM June 2004
ICS 31.140
English version
Measurement of quartz crystal unit parameters
Part 7: Measurement of activity and frequency dips of quartz crystal units
(IEC 60444-7:2004)
Mesure des paramètres des résonateurs Messung von Schwingquarz-Parametern
à quartz Teil 7: Messung von Aktivitäts- und
Partie 7: Mesure des crevasses Frequenz-Dips von Schwingquarzen
de l'activité et de la fréquence (IEC 60444-7:2004)
des résonateurs à quartz
(CEI 60444-7:2004)
This European Standard was approved by CENELEC on 2004-06-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and
notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2004 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60444-7:2004 E
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EN 60444-7:2004 - 2 -
Foreword
The text of document 49/637/FDIS, future edition 1 of IEC 60444-7, prepared by IEC TC 49,
Piezoelectric and dielectric devices for frequency control and selection, was submitted to the
IEC-CENELEC parallel vote and was approved by CENELEC as EN 60444-7 on 2004-06-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2005-03-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2007-06-01
__________
Endorsement notice
The text of the International Standard IEC 60444-7:2004 was approved by CENELEC as a European
Standard without any modification.
__________
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INTERNATIONAL IEC
STANDARD 60444-7
First edition
2004-04
Measurement of quartz crystal unit parameters –
Part 7:
Measurement of activity and frequency dips
of quartz crystal units
IEC 2004 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 Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale H
International Electrotechnical Commission
Международная Электротехническая Комиссия
For price, see current catalogue
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– 2 – 60444-7 IEC:2004(E)
INTERNATIONAL ELECTROTECHNICAL COMMISSION
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MEASUREMENT OF QUARTZ CRYSTAL UNIT PARAMETERS –
Part 7: Measurement of activity and frequency dips
of quartz crystal units
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 e
...
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