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GB/T 42742-2023 English PDF

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GB/T 42742-2023: Technical requirements for L band 75kW continuous wave magnetron
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PDF similar to GB/T 42742-2023


Standard similar to GB/T 42742-2023

GB/T 12631   GB/T 7274   

Basic data

Standard ID GB/T 42742-2023 (GB/T42742-2023)
Description (Translated English) Technical requirements for L band 75kW continuous wave magnetron
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L37
Classification of International Standard 31.100
Word Count Estimation 19,135
Date of Issue 2023-05-23
Date of Implementation 2023-12-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 42742-2023: Technical requirements for L band 75kW continuous wave magnetron

---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.
ICS 31:100 CCSL37 National Standards of People's Republic of China Technical Requirements for L-Band 75kW CW Magnetron Released on 2023-05-23 2023-12-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Requirements 1 4:1 General 1 4:2 Structure 1 4:3 Dimensions and electrode wiring 2 4:4 Absolute Ratings 4 4:5 Operating conditions and typical characteristics 4 4:6 General test conditions 5 4:7 Warranty period 6 4:8 Flag 6 4:9 Security requirements 6 4:10 Appearance quality 7 5 Quality assessment procedure 7 5:1 General 7 5:2 Appraisal and Approval Procedures 7 5:3 Quality Consistency Inspection (QCI) 7 5:4 Packaging Inspection 9 5:5 Resubmission of unqualified batches 10 6 packs of 10 6:1 Packaging requirements 10 6:2 Packaging mark 10 7 Notes 10 7:1 Contents of order documents 10 7:2 Precautions for use 10 Appendix A (Normative) Appearance Inspection Requirements 11 A:1 General rules for visual inspection11 A:2 Ceramic defects 11 A:3 Flag defects 11 A:4 Plating Defects 11 Appendix B (Normative) Inspection and Test Methods 12 B:1 Filament continuity test 12 B:2 Life test 12 B:3 Judgment method for non-working defects 12 B:4 Efficiency calculation method12 Appendix C (informative) aging method 14 Figure 1 Magnetron outline drawing 2 Figure 2 Magnetron Electrode Wiring Diagram 3 Figure 3 Filament working curve 6 Table 1 Dimensions and requirements of magnetron 3 Table 2 Absolute Ratings4 Table 3 Working conditions 4 Table 4 Parameter items and requirements of typical characteristics5 Table 5 General Test Conditions (TC) 5 Table 6 Identification and approval test items (Group D) 7 Table 7 Group A---batch by batch inspection 8 Table 8 Group B---Batch-by-batch inspection 8 Table 9 Group C---period test 9 Table 10 Packaging Inspection 9 Table A:1 Defect classification 11 Table C:1 Burn-in control requirements14

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: Please note that some content of this document may involve patents, and the issuing organization of this document does not undertake the responsibility for identifying patents: This document is proposed by the Ministry of Industry and Information Technology of the People's Republic of China: This document is under the jurisdiction of the National Electric Vacuum Device Standardization Technical Committee (SAC/TC167): This document is drafted by: Nanjing Sanle Group Co:, Ltd:, Nanjing Sanle Microwave Technology Development Co:, Ltd:, Anhui Huadong Photoelectric Technology Research Institute Research Institute Co:, Ltd:, Kunshan Guoli Electronic Technology Co:, Ltd: The main drafters of this document: Wang Rongchuan, Zhao Qingliang, Chen Yang, Yang Zhaohui, Zhang Li, Huang Hao, Liu Aixin: Technical Requirements for L-Band 75kW CW Magnetron

1 Scope

This document specifies the performance requirements, quality assessment procedures, packaging and instructions, etc: of L-band 75kW continuous wave magnetrons: This document applies to L-band 75kW continuous wave magnetrons with frequencies of 896MHz, 915MHz, 922MHz, and 929MHz (with hereinafter referred to as "magnetron") production, testing, packaging and use:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 191-2008 Packaging, storage and transportation icon marks GB/T 2423:1-2008 Environmental testing for electrical and electronic products - Part 2: Test methods Test A: Low temperature GB/T 2423:2-2008 Environmental testing for electrical and electronic products - Part 2: Test methods Test B: High temperature GB/T 2423:3-2016 Environmental Testing Part 2: Test Method Test Cab: Constant Damp Heat Test GB/T 2828:1-2012 Counting sampling inspection procedure Part 1: Batch-by-batch inspection sampling retrieved by acceptance quality limit (AQL) plan GB/T 4597-2012 Electron Tube Vocabulary GB/T 4857:5-1992 Drop test method for packaging and transportation packages GB/T 4857:10-2005 Basic tests for packaging and transportation packages - Part 10: Test method for sinusoidal frequency conversion vibration GB 5959:6-2008 Safety of Electric Heating Devices Part 6: Safety Specifications for Industrial Microwave Heating Equipment GB/T 9602-1988 Test method for electrical performance of continuous wave magnetron GB/T 12852-2001 General Specifications for Magnetrons SJ/T 11082-2000 Test method for electric tube heating wire or filament current and voltage

3 Terms and Definitions

The terms and definitions defined in GB/T 12852-2001 and GB/T 4597-2012 apply to this document:

4 requirements

4:1 General The magnetron shall comply with the requirements of this document and GB/T 12852-2001: When the requirements of this document In case of inconsistency, this document shall prevail: 4:2 Structure The structure of the magnetron is as follows:

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