IEC 60679-1-2017 Piezoelectric dielectric and electrostatic oscillators of assessed quality - Part 1 Generic specification《评定质量的压电、介电和静电振荡器 第1部分 通用规范》.pdf
《IEC 60679-1-2017 Piezoelectric dielectric and electrostatic oscillators of assessed quality - Part 1 Generic specification《评定质量的压电、介电和静电振荡器 第1部分 通用规范》.pdf》由会员分享,可在线阅读,更多相关《IEC 60679-1-2017 Piezoelectric dielectric and electrostatic oscillators of assessed quality - Part 1 Generic specification《评定质量的压电、介电和静电振荡器 第1部分 通用规范》.pdf(40页珍藏版)》请在麦多课文档分享上搜索。
1、 IEC 60679-1 Edition 4.0 2017-07 INTERNATIONAL STANDARD Piezoelectric, dielectric and electrostatic oscillators of assessed quality Part 1: Generic specification IEC 60679-1:2017-07(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 IEC, Geneva, Switzerland All rights reserved. Unless otherw
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9、glossary 65 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002. Some entries have been collected from earlier publications of IEC TC 37, 77, 86 and CISPR. IEC Customer Service Centre - webstore.iec.ch/c
10、sc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC 60679-1 Edition 4.0 2017-07 INTERNATIONAL STANDARD Piezoelectric, dielectric and electrostatic oscillators of assessed quality Part 1: Generic specificat
11、ion INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 31.140 ISBN 978-2-8322-4608-5 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. 2 IEC 60679-1:2017 IEC 2017 CONTENTS FOREWORD . 4 1 Scope 6 2 No
12、rmative references 6 3 Terms, definitions and general information 7 3.1 General . 7 3.2 Terms and definitions 7 3.3 Preferred values for ratings and characteristics 21 3.3.1 General . 21 3.3.2 Climatic category (40/85/56) 22 3.3.3 Bump severity 22 3.3.4 Vibration severity . 22 3.3.5 Shock severity .
13、 22 3.3.6 Leak rate . 22 3.4 Marking . 23 3.4.1 General . 23 3.4.2 Packaging 23 4 Quality assessment procedures . 23 4.1 General . 23 4.2 Primary stage of manufacture . 23 4.3 Structurally similar components 23 4.4 Subcontracting 23 4.5 Incorporated components 24 4.6 Manufacturers approval 24 4.7 Ap
14、proval procedures . 24 4.7.1 General . 24 4.7.2 Capability approval 24 4.7.3 Qualification approval 24 4.8 Procedures for capability approval 25 4.8.1 General . 25 4.8.2 Eligibility for capability approval . 25 4.8.3 Application for capability approval . 25 4.8.4 Granting of capability approval 25 4
15、.8.5 Capability manual 25 4.9 Procedures for qualification approval 25 4.9.1 General . 25 4.9.2 Eligibility for qualification approval . 25 4.9.3 Application for qualification approval . 25 4.9.4 Granting of qualification approval 25 4.9.5 Quality conformance inspection . 26 4.10 Test procedures 26
16、4.11 Screening requirements 26 4.12 Rework and repair work 26 4.12.1 Rework 26 4.12.2 Repair work . 26 4.13 Certified test records. 26 4.14 Validity of release . 26 4.15 Release for delivery 26 IEC 60679-1:2017 IEC 2017 3 4.16 Unchecked parameters . 27 Annex A (normative) Load circuit for logic driv
17、e . 28 A.1 TTL and Schottky 28 A.2 CMOS . 30 A.3 ECL 30 A.4 LVDS 31 Annex B (normative) Latch-up test . 32 B.1 Definition 32 B.1.1 Latch-up 32 B.1.2 Test procedure 32 B.2 Test method 32 Annex C (normative) Electrostatic discharge sensitivity classification 33 C.1 Definition 33 C.1.1 Electrostatic di
18、scharge (ESD) 33 C.1.2 Test procedure 33 C.2 Test methods 33 C.2.1 General . 33 C.2.2 Leaded oscillator . 33 C.2.3 SMD oscillator . 33 C.2.4 The impact of ESD on Oscillator in steady-state 33 Annex D (normative) Digital interfaced crystal oscillators function . 34 Bibliography 35 Figure 1 Basic conf
19、igurations of SAW resonators . 9 Figure 2 Example of the use of frequency offset. 11 Figure 3 Linearity of frequency modulation deviation 16 Figure 4 Characteristics of an output waveform 18 Figure 5 Definition of start-up time . 19 Figure 6 Clock signal with period jitter 19 Figure 7 Phase jitter m
20、easures 20 Figure 8 Gaussian distribution of jitter 20 Figure 9 Jitter amplitude and period of jitter frequency . 20 Figure 10 Jitter tolerance according to ITU-T G.825, ATIS-0900101, Telcordia GR- 253 and ETSI EN 300 462 21 Figure A.1 Circuit for TTL . 28 Figure A.2 Circuit for Schottky logic . 29
21、Figure A.3 Circuit for PECL 30 Figure A.4 Circuit for LVDS 31 Table A.1 Values to be used when calculating R 1and R 2. 30 Table A.2 Operating condition 31 Table A.3 DC Electrical characteristics output load = 50 to Vcc-2V . 31 Table D.1 Function of the digital interface 34 4 IEC 60679-1:2017 IEC 201
22、7 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PIEZOELECTRIC, DIELECTRIC AND ELECTROSTATIC OSCILLATORS OF ASSESSED QUALITY Part 1: Generic specification FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechn
23、ical 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,
24、 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, gov
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