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GB/T 17738.1-2013 PDF English

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GB/T 17738.1-2013: Radio frequency and coaxial cable assemblies -- Part 1: Generic specification -- General requirements and test methods
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GB/T 17738.1: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB/T 17738.1-2013English145 Add to Cart 0-9 seconds. Auto-delivery Radio frequency and coaxial cable assemblies -- Part 1: Generic specification -- General requirements and test methods Valid
GB/T 17738.1-1999EnglishRFQ ASK 4 days Radio-frequency and coaxial cable assemblies. Part 1: Generic specification. General requirements and test methods Obsolete

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GB/T 17738.1-2013: Radio frequency and coaxial cable assemblies -- Part 1: Generic specification -- General requirements and test methods


---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT17738.1-2013
NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 33.120.10 L 26 GB/T 17738.1-2013 / IEC 60966-1:1999 Replacing GB/T 17738.1-1999 Radio frequency and coaxial cable assemblies - Part 1: Generic specification - General requirements and test methods (IEC 60966-1:1999, IDT) ISSUED ON: DECEMBER 17, 2013 IMPLEMENTED ON: JUNE 15, 2014 Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the PRC; Standardization Administration of the PRC.

Table of Contents

Foreword ... 4 1 Scope ... 7 2 Normative references ... 7 3 Terms and definitions ... 9 4 Design and manufacturing requirements ... 11 4.1 Cable design and construction ... 11 4.2 Connector design and construction ... 11 4.3 Outline and interface dimensions ... 11 5 Workmanship, marking and packaging ... 12 5.1 Workmanship ... 12 5.2 Marking ... 12 5.3 End caps ... 12 5.4 Packaging and labelling ... 12 6 Quality assessment ... 12 7 Test methods - General ... 12 7.1 Standard atmospheric conditions for testing ... 12 7.2 Visual inspection ... 13 7.3 Dimensions inspection ... 13 8 Electrical tests ... 13 8.1 Reflection properties ... 13 8.2 Uniformity of impedance ... 15 8.3 Insertion loss ... 15 8.4 Insertion loss stability ... 16 8.5 Propagation time ... 16 8.6 Stability of electrical length ... 17 8.7 Phase difference ... 19 8.8 Phase variation with temperature ... 20 8.9 Screening effectiveness ... 21 8.10 Voltage proof ... 21 8.11 Insulation resistance ... 22 8.12 Inner and outer conductor continuity ... 22 8.13 Void ... 23 8.14 Power rating ... 23 8.15 Intermodulation level ... 24 9 Mechanical robustness tests ... 24 9.1 Tensile ... 24 9.2 Flexure ... 25 9.3 Flexing endurance ... 26 9.4 Cable assembly crushing ... 27 9.5 Torque ... 28 9.6 Multiple bending ... 28 9.7 Abrasion test of cable assembly ... 29 9.8 Vibrations, shocks and impact ... 29 9.9 Mechanical endurance ... 30 10 Environmental tests ... 30 10.1 Recommended severities ... 30 10.2 Vibration, bumps and shock ... 30 10.3 Climatic sequence ... 30 10.4 Damp heat, steady state ... 31 10.5 Rapid change of temperature ... 31 10.6 Solvents and contaminating fluids ... 32 10.7 Water immersion ... 33 10.8 Salt mist and sulphur dioxide tests ... 33 10.9 Dust tests ... 34 10.10 Flammability ... 36 11 Specialized test methods ... 36 12 Test schedules ... 37 Annex A (Normative) Test methods for insertion loss determination ... 38 Annex B (Informative) Measuring methods for propagation time ... 45 Annex C (Informative) Measurement method for screening effectiveness ... 47 Annex D (Informative) Recommended severities for environmental tests ... 52 Annex E (Informative) Quality assessment ... 57 Annex F (Informative) Naming of type number ... 67

Foreword

GB/T 17738 "Radio frequency and coaxial cable assemblies" is divided into the following parts: - Part 1: Generic specification - General requirements and test methods; - Part 2: Sectional specification for flexible coaxial cable assemblies; - Part 3: Sectional specification for semi-flexible coaxial cable assemblies; - Part 4: Sectional specification for semi-rigid coaxial cable assemblies; This Part is Part 1 of GB/T 17738. This Part is drafted in accordance with the rules given in GB/T 1.1-2009. This Part replaces GB/T 17738.1-1999 "Radio-frequency and coaxial cable assemblies - Part 1: Generic specification - General requirements and test methods". Compared with GB/T 17738.1-1999, the main technical changes in this Part are as follows: - COMBINE “Scope” and “Object” into “Scope” (see clause 1; clauses 1 and 2 of the 1999 edition). - ADD procedures for capability approval (see E.3.2). - Delete Annex A Measurement method of reflection factor (see Annex A of the 1999 edition). - ADD requirement and calculation method for the number of measurement points (see 8.1). - In the test for stability of electrical length, add two test methods of bending and twisting (see 8.6.2.1 and 8.6.2.2). - Delete discharge test (corona test) (see 9.13). - ADD the test method for power rating (see 8.14). - ADD intermodulation level (see 8.15). - ADD torque (see 9.5). - ADD multiple bending (see 9.6). - ADD abrasion test of cable assembly (see 9.7). - In salt mist and sulphur dioxide tests, add “Requirements” (see 10.8) and “Information to be given in the detail specification” (see 10.8.3). - ADD dust tests (10.9). - ADD flammability (see 10.10). This Part, using translation method, is identical to IEC 60966-1:1999 "Radio frequency and coaxial cable assemblies - Part 1: Generic specification - General requirements and test methods". This Part has made the following editorial changes: - ADD the number of formulas in the annex and correct the error parts of formula (A.1) and formula (C.1)~formula (C.4). - ADD "Table C.1 Symbols" to Annex C, to clarify the meaning of the symbols in each formula. - ADD Annex F (informative), Naming of type number, to provide parameters for industry naming. The documents of China which have a consistent correspondence with the international documents normatively referenced in this Part are as follows: - GB/T 11313 (all parts) Radio-frequency connectors [IEC 61169 (all parts)] - GB/T 17737 (all parts) Coaxial communication cables [IEC 61196 (all parts)] Attention is drawn to the possibility that some of the elements of this Part may be the subject of patent rights. The issuing authority of this Part shall not be held responsible for identifying any or all such patent rights. This Part was proposed by Ministry of Industry and Information Technology of the PRC. This Part shall be under the jurisdiction of National Technical Committee 190 on High Frequency Cable and Connector for Electronic Equipment of Standardization Administration of China (SAC/TC 190). Drafting organization of this Part: China Electronics Standardization Institute. Main drafters of this Part: Wu Zhengping, Qiao Changhai, Zhan Shisheng, Zhang Guoju, Guo Yan, Wang Ruizhen, Chen Guohua. Radio frequency and coaxial cable assemblies - Part 1: Generic specification - General requirements and test methods

1 Scope

This Part specifies requirements for radio frequency coaxial cable assemblies operating in the transverse electromagnetic mode (TEM) and establishes general requirements for testing the electrical, mechanical and environmental properties of radio frequency coaxial cable assemblies composed of cables and connectors. Additional requirements relating to specific families of cable assemblies are given in the relevant sectional specifications. Note 1: The design of the cables and connectors used should preferably conform to the applicable parts of IEC 61196 and IEC 61169 respectively. Note 2: This Part does not include tests which are normally performed on the cables and connectors separately. These tests are described in the applicable parts of IEC 61196 and IEC 61169 respectively. Note 3: Wherever possible, cables and connectors used in cable assemblies, even if they are not described in the IEC 61196 or IEC 61169 series are tested separately according to the tests given in the relevant generic specification. Note 4: Where additional protection is applied to a cable assembly, the mechanical and environmental tests described in this Part are applicable.

2 Normative references

The following documents are indispensable for the application of this document. For the dated references, only the editions with the dates indicated are applicable to this document. For the undated references, the latest edition (including all the amendments) are applicable to this document. GB/T 2423.3-2006 Environmental testing for electric and electronic products - Part 2: Testing method test Cab: Damp heat Steady state (IEC 60068-2- 78:2001, IDT) GB/T 2423.5-1995 Environmental testing for electric and electronic products - Part 2: Test methods - Test Ea and guidance: Shock (IEC 60068-2-27:1987, IDT) GB/T 2423.6-1995 Environmental testing for electric and electronic products - Part 2: Test methods -Test Eb and guidance: Bump (IEC 60068-2-29:1987, IDT) GB/T 2423.10-2008 Environmental testing for electric and electronic products - Part 2: Tests methods - Test Fc: Vibration (sinusoidal) (IEC 60068- 2-6:1995, IDT) GB/T 2423.17-2008 Environmental testing for electric and electronic products - Part 2: Test method - Test Ka: Salt mist (IEC 60068-2-11:1981, IDT) GB/T 2423.22-2002 Environmental testing for electric and electronic products - Part 2: Tests - Test N: change of temperature (IEC 60068-2- 14:1984, IDT) GB/T 2423.37-2006 Environmental testing for electric and electronic products - Part 2: Test methods - Test L: Dust and sand (IEC 60068-2- 68:1994, IDT) GB/T 5095.5-1997 Electromechanical components for electronic equipment - Basic testing procedures and measuring methods - Part 5: Impact tests (free components), static load tests (fixed components), endurance tests and overload tests (IEC 60512-5:1992, IDT) GB/T 11313.1-2013 Radio-frequency connectors - Part 1: Generic specification - General requirements and measuring methods (IEC 61169- 1:1998, IDT) GB/T 19000-2008 Quality management systems - Fundamentals and vocabulary (ISO 9000:2005, IDT) GB/T 19001-2008 Quality management systems - Requirements (ISO 9001:2008, IDT) IEC 60068-2-42 Environmental testing - Part 2-42: Tests - Test Kc: Sulphur dioxide test for contacts and connections IEC 60332-1:1993 Tests on electric cables under fire conditions - Part 1: Test on a single vertical insulated wire or cable IEC 60339 (all parts) General purpose rigid coaxial transmission lines and their associated flange connectors IEC 61169 (all parts) Radio-frequency connectors ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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