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GB/T 12274.4-2021 English PDF

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GB/T 12274.4-2021: Quartz crystal controlled oscillators of assessed quality - Part 4: Sectional specification - Capability approval
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GB/T 12274.4-2021English404 Add to Cart 4 days [Need to translate] Quartz crystal controlled oscillators of assessed quality - Part 4: Sectional specification - Capability approval Valid GB/T 12274.4-2021

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Basic data

Standard ID GB/T 12274.4-2021 (GB/T12274.4-2021)
Description (Translated English) Quartz crystal controlled oscillators of assessed quality - Part 4: Sectional specification - Capability approval
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L21
Word Count Estimation 22,216
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 12274.4-2021: Quartz crystal controlled oscillators of assessed quality - Part 4: Sectional specification - Capability approval


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Quartz crystal controlled oscillators of assessed quality - Part 4.Sectional specification - Capability approval ICS 31.140 L21 National Standards of People's Republic of China Quartz crystal oscillator with quality assessment Part 4.Sub-standard capability approval (IEC 60679-4.1997, IDT) Released on 2021-10-11 2022-05-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 General 1 1.1 Scope 1 1.2 Normative references 1 2 Guidelines for the development of priority ratings and detailed specifications 1 2.1 Priority ratings and characteristics 1 2.2 What should be given in the detailed specification (applicable to standard products and customized products) 2 3 Competency approval 2 3.1 Competency approval qualification 2 3.2 Similar structure 2 3.3 Competency Approval Procedure 3 3.4 Ability Manual 3 3.5 Capability Qualification Element (CQC) 3 3.6 Inspection requirements for CQCs 5 3.7 Capacity Approval Plan 5 3.8 Capability Approval Report 5 3.9 Summary of Capability Approval Description 5 3.10 Changes that may affect capability approval 5 3.11 Initial Capability Approval 5 3.12 Maintenance of competency approval 15 3.13 Rework and repair 16 3.14 Quality consistency inspection 16 3.15 Screening procedures 16 4 Test and measurement procedures 16 Appendix A (Normative Appendix) Example of the format describing the capability approval summary 17 Appendix B (normative appendix) Format of the first page of the process control CQC specification 18 Appendix C (Normative Appendix) Verification of the Boundary and Limit CQC Specification Homepage Format 19

Foreword

GB/T 12274 "Quartz Crystal Oscillator with Quality Assessment" is divided into the following parts. ---Part 1.General Specification; ---Part 2.Guidelines for use; ---Part 3.Standard shape and terminal connection; ---Part 4.Sub-standard ability approval; ---Part 4-1.Blank detailed specification capability approval; ---Part 5.Sub-specification appraisal and approval; ---Part 5-1.Blank detail specification appraisal and approval. This part is Part 4 of GB/T 12274. This section was drafted in accordance with the rules given in GB/T 1.1-2009. The translation method used in this part is equivalent to the adoption of IEC 60679-4.1997 "Quality-assessed Quartz Crystal Oscillators Part 4.Sectional Specifications Capability Approval. The Chinese documents that have a consistent correspondence with the international documents cited in this section are as follows. ---GB/T 12273.1-2017 Quartz crystal components with quality assessment Part 1.General specification (IEC 60122-1.2002, MOD); ---GB/T 12274.1-2012 Quartz crystal oscillator with quality assessment Part 1.General specification (IEC 60679-1. 2007, MOD). This section has made the following editorial changes. ---Added the year numbers of some normative reference documents in the main text, because they all mentioned the specific chapter numbers in the documents; --- Deleted "The abstract is recommended by NSI and awarded by the National Representative Organization (NAI) and included in IEC QC001005" in 3.9, Because IEC QC001005 has been abolished; ---Move the explanatory text below the title of Table 1 to the end of the table; ---Change the notes in Table 2 to footnotes. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This part was proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This part is under the jurisdiction of the National Standardization Technical Committee for Frequency Control and Selection of Piezoelectric Devices (SAC/TC182). Drafting organizations of this section. Beijing Chenjing Electronics Co., Ltd., Tangshan Guoxin Jingyuan Electronics Co., Ltd., Hebei Far East Communication System Engineering Co., Ltd. Limited company. The main drafters of this section. Wei Shiping, Zhang Liqiang, Zhang Zhenyou. Quartz crystal oscillator with quality assessment Part 4.Sub-standard capability approval

1 General

1.1 Scope This part of GB/T 12274 is applicable to the quality assessment of quartz made according to customized products or standard products on the basis of competence approval. Crystal oscillator. This part specifies the priority ratings and characteristics given in the general specification IEC 60679-1, as well as the test and measurement methods, and gives the stone General performance requirements adopted in the detailed specifications of British crystal oscillators. Priority ratings can be directly applied to standard products, but not necessarily to customized products. 1.2 Normative references The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. IEC 60122-1.2002 Quartz crystal units with quality assessment Part 1.General specification (Quartzcrystalunitsofas- sessedquality-Part 1.Genericspecification) Note 1.IEC 60122-1.2002 is used instead of IEC 61178.1993, and the quoted content of IEC 60122-1.2002 is the same as that of IEC 61178.1993. There is no technical difference in content. IEC 60679-1.2007 Quartz crystal oscillator with quality assessment Part 1.General specification (Quartzcrystalcontroled oscilatorsofassessedquality-Part 1.Genericspecification) Note 2.IEC 60679-1.2007 is used instead of IEC 60679-1.1997, and the quoted content of IEC 60679-1.2007 is the same as that of IEC 60679-1.1997. There is no technical difference in the content. IEC 60679-4-1 Quartz crystal oscillators with quality assessment Part 4-1.Blank detail specification capability approval (Quartz crystalcontroledoscilatorsofassessedquality-Part 4-1.blankdetailspecification-Capabilityap- proval) IEC Q02.2013 IEC electronic components quality assessment system (IEC Q) procedure rules IEC Q certification body to enter the IEC Q General requirements for system approval [IEC QualityAssessmentSystemforElectronicComponents(IEC Q)-Rulesof Procedure-GeneralrequirementsfortheacceptanceofIEC QCertificationBodiesintotheIEC QSys- tem] Note 3.IEC Q02.2013 is used instead of QC0010021), the content quoted in IEC Q02.2013 and the content quoted in QC001002 are not technically related The difference. 1) IEC 60679-4.1997 does not include this document in the list of normative references.

2 Guidelines for setting priority ratings and detailed specifications

2.1 Priority ratings and characteristics The value given in the detailed specification shall be selected from 2.3 of IEC 60679-1.2007.

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