同轴通信电缆.第4部分:辐射电缆分规范

[中文适用范围]： 本部分 IEC 61196 适用于辐射同轴通信电缆，规定了术语和定义、材料和结构、IEC 型命名、标准额定值和特性、标识、标记和标签、成品电缆要求、质量评估、交付和储存等。辐射同轴通信电缆广泛用于高速铁路、地铁、隧道及室内等长、窄、半封闭和室内环境的无线通信系统中。 [外文原描述]： IEC 61196-4:2022 applies to radiating coaxial communication cables, and specifies the terms and definitions, material and construction, IEC type designation, standard rating and characteristics, identification, marking and labelling, requirements of finished cables, quality assessment, delivery and storage, etc. This fourth edition cancels and replaces the third edition published in 2015 This edition includes the following significant technical changes with respect to the previous edition: a. rewrote "1 Scope" to be consistent with other blank detail specifications of coaxial cables; b. updated different standards in "Clause 2 Normative references"; c. added the definitions of uniformly radiating type cable, stop frequency band and link loss; d. added different materials and constructions in 4.2 to 4.5; e. added "Clause 5 IEC type designation"; f. added a detailed rated temperature range of different materials in "6.2 Rated temperature range"; g. added detailed frequencies in "6.3 Operating frequency range"; h. added "6.4 Stop frequency band" and "6.5 Radiating characteristics"; i. added different detail requirements or typical values in 8.2.4, 8.2.7, 8.2.8, 8.4.3 to 8.4.8; j. deleted "7.4.4 Ovality of outer conductor"; k. added "8.2.11 Link loss", "8.4.9 Adhesion of dielectric", "8.4.10 Shrinkage for insulations", "8.4.11 Maximum pulling force of cable"; i. used IEC 61196-1-123 and IEC 61196-1-124 in the electrical requirements to replace Annex A and Annex B respectively and deleted Annex A and Annex B; m. added "Figure A.1 Example of testing coupling loss around circumferential orientation of radiating cable (Y-Z)" in Annex A.