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GB/T 5095.2307-2021 English PDF

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GB/T 5095.2307-2021: Electromechanical components for electronic equipment - Basic testing procedures and measuring methods - Part 23-7: Screening and filtering tests - Test 23g: Effective transfer impedance of connectors
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GB/T 5095.2307-2021English339 Add to Cart 4 days [Need to translate] Electromechanical components for electronic equipment - Basic testing procedures and measuring methods - Part 23-7: Screening and filtering tests - Test 23g: Effective transfer impedance of connectors Valid GB/T 5095.2307-2021

PDF similar to GB/T 5095.2307-2021


Standard similar to GB/T 5095.2307-2021

GB/T 17737.100   GB/T 21711.1   GB/T 5095.2501   GB/T 5095.2502   GB/T 5095.2304   

Basic data

Standard ID GB/T 5095.2307-2021 (GB/T5095.2307-2021)
Description (Translated English) Electromechanical components for electronic equipment - Basic testing procedures and measuring methods - Part 23-7: Screening and filtering tests - Test 23g: Effective transfer impedance of connectors
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L23
Word Count Estimation 18,168
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 5095.2307-2021: Electromechanical components for electronic equipment - Basic testing procedures and measuring methods - Part 23-7: Screening and filtering tests - Test 23g: Effective transfer impedance of connectors



---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.
Electromechanical components for electronic equipment - Basic testing procedures and measuring methods - Part 23-7.Screening and filtering tests - Test 23g. Effective transfer impedance of connectors ICS 31.220.10 L23 National Standards of People's Republic of China Electromechanical components for electronic equipment Basic test procedures and measurement methods Part 23-7.Shielding and Filtering Test Test 23g. Effective transfer impedance of the connector (IEC 60512-23-7.2005,Connectorsforelectronicequipment- Testsandmeasurements-Part 23-7.Screeningandfilteringtests- Test23g. Effectivetransferimpedanceofconnectors, IDT) Released on 2021-03-09 Implemented on 2021-10-01 State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Preparation 4 4.1 Test device 4 4.2 Equipment 6 4.3 Preparation of samples and calibrator 7 5 Method 7 5.1 Condition 7 5.2 Impedance consistency 7 5.3 Working attenuation of the connecting cable and the component under test 7 5.4 Procedure 7 6 Calculation of effective transfer impedance 8 7 Rules to be stipulated by relevant standards 9 8 Test record file 9 Appendix A (informative appendix) Shielding attenuation calculation 10 Appendix B (informative appendix) Test device verification 11

Foreword

GB/T 5095 "Basic test procedures and measurement methods for electromechanical components for electronic equipment" is divided into several parts according to the test methods. Part 23 of GB/T 5095 is shielding and filtering test. The parts that have been released or planned to be released are as follows. ---Part 23-3.Shielding and Filtering Test Test 23c. The shielding effect line injection method of connectors and accessories; ---Part 23-4.Shielding and filtering test test 23d. reflection of transmission line in the time domain; --- Part 23-7.Shielding and Filtering Test Test 23g. The effective transfer impedance of the connector. This part is part 23-7 of GB/T 5095. 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 IEC 60512-23-7.2005 "Connector Test and Measurement for Electronic Equipment Part 23-7" Points. shielding and filtering test test 23g. the effective transfer impedance of the connector". The Chinese documents that have a consistent correspondence with the international documents cited in this section are as follows. ---GB/T 4210-2015 Electrotechnical terminology electromechanical components for electronic equipment (IEC 60050-581.2008, IDT); ---GB/T 5095.2303-2021 Basic test procedures and measurement methods of electromechanical components for electronic equipment Part 23-3.Screen Shielding and filtering test Test 23c. The shielding effect line injection method of connectors and accessories (IEC 60512-23-3.2018, IDT); ---GB/T 17737.1-2013 Coaxial communication cable Part 1.General specification General rules, definitions, requirements (IEC 61196-1. 2005, IDT). This section has made the following editorial changes. ---The standard name is composed of "Connector Test and Measurement for Electronic Equipment Part 23-7.Shielding and Filtering Test Test 23g. Connecting The Effective Transfer Impedance of Connectors is revised to Part 23-7 of Basic Test Procedures and Measurement Methods for Electromechanical Components for Electronic Equipment Points. shielding and filtering test test 23g. effective transfer impedance of the connector"; ---Imperial units are converted to metric units. 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 of Electromechanical Components for Electronic Equipment (SAC/TC166). Drafting organizations of this section. Sichuan Huafeng Enterprise Group Co., Ltd., China Electronics Standardization Institute. The main drafters of this section. Pang Bin, Zhu Ming, Xiao Miao, Duan Zhiyang, Wang Qilong. Electromechanical components for electronic equipment Basic test procedures and measurement methods Part 23-7.Shielding and Filtering Test Test 23g. Effective transfer impedance of the connector

1 Scope

This part of GB/T 5095 specifies the non-circular multi-core electrical short-circuit connector with the highest frequency shielded at 1GHz, which is measured by a network analyzer. The effective (surface) transfer impedance ZTE (expressed in Ω) is a test method to evaluate the shielding effect. This method is based on GB/T 17737.1- Based on the wire injection method specified in.2013, specific types of injection wires are used to adapt to various shapes of connectors. The method described below In, due to the use of a specific test device, the test is not the shield of the connector itself, but the two combined connectors (male

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. GB/T 2421.1-2008 Overview and Guidelines for Environmental Testing of Electrical and Electronic Products (IEC 60068-1.1988, IDT) IEC 60050-581 International Electrotechnical Vocabulary (IEV) Chapter 581.Electromechanical components for electronic equipment [InternationalElectro- technicalVocabulary(IEV)-Chapter581.Electromechanicalcomponentsforelectronicequipment] IEC 60512-1-100 Basic test procedures and measurement methods for electromechanical components for electronic equipment Part 1-100.General application Publication (Electromechanicalcomponentsforelectronicequipment-Basictestingproceduresandmeas- uringmethods-Part 1-100.General-Applicablepublications) IEC 60512-23-3 Basic test procedures and measurement methods for electromechanical components for electronic equipment Part 23-3.Shielding and filtering tests Test 23c. Shielding effect of connectors and accessories (Electromechanical components for electronic equipment- Basictestingproceduresandmeasuringmethods-Part 23-3.Screeningandfilteringtests-Test23c. Screeningeffectivenessofconnectorsandaccessories) IEC 61196-1..1995 Radio-frequency cables Part 1.General specifications, general rules, definitions, requirements (Radio-frequencycables- Part 1.Genericspecification-General,definitions,requirementsandtestmethods)

3 Terms and definitions

The following terms and definitions defined by IEC 60050-581 apply to this document. 3.1 Internal and external circuit inner and outer circuit The internal circuit consists of the shield and conductor of the test sample. In formulas and diagrams, the measured or calculated value of the internal circuit can be subscripted The symbol indicating 1, such as. U1, Z1 or I1. The external circuit consists of the shielded surface and the internal surface around the test fixture box. In the formulas and diagrams, the measured value or meter of the external circuit The calculated value can be indicated by a symbol with a subscript of 2, such as. U2, Z2 or I2.

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