品质协会(www.PinZhi.org)

 找回密码
 加入协会

QQ登录

只需一步,快速开始

查看: 924|回复: 0

IEC 60728-3:2017 Part 3: Active wideband equipment for cable networks (TA 5)

[复制链接]

1818

主题

78

回帖

5

精华

认证专家

Rank: 8Rank: 8

积分
20941
品质币
18945
职位
1
发表于 2017-12-11 19:40:27 | 显示全部楼层 |阅读模式
IEC 60728-3:2017 Cable networks for television signals, sound signals and interactive services - Part 3: Active wideband equipment for cable networks (TA 5)

IEC 60728-3:2017 specifies the measuring methods, performance requirements and data publication requirements for active wideband equipment of cable networks for television signals, sound signals and interactive services. This fifth edition cancels and replaces the fourth edition published in 2010.

This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:

a) extension of upper frequency range limit for cable network equipment in the forward path from 1? 000 MHz to 1? 218 MHz (optional up to 1? 794 MHz);
b) extension of upper frequency range limit for cable network equipment in the return path from 85 MHz to 204 MHz;
c) integration and update of IEC 60728-3-1 content;
d) integration and update of the Technical Specification CLC/TS 50083-3-3 content;
e) deletion of specifications and test methods for obsolete analogue parameters;
f) additional normative references;
g) additional terms and definitions and abbreviations.

1. 问答、交流探讨的帖子,回帖时,请不要发纯表情等无价值回帖,无意义,太多了影响用户体验,经常这样账号会被扣分甚至禁号的;
2. 品质协会是个学习、交流分享的平台,所有资料和内容归作者和版权方所有,需要正版标准、资料的请去相关的官方网站等平台购买;
3. 汇聚品质人,分享交流,互相学习,夯实基础知识,提升个人综合能力,进而会有更多的机会和可能性,这才是品质协会的真正价值。
您需要登录后才可以回帖 登录 | 加入协会

本版积分规则

手机版|品质币|万年历|Calendar|品质B2B|联系我们|加入协会|品质协会(www.PinZhi.org)

GMT+8, 2026-10-6 22:16 , Processed in 0.023131 second(s), 6 queries , Gzip On, Redis On.

Powered by 品质协会 © 2010-2099

品质人,让生活和环境变得更美好!!!

快速回复 返回顶部 返回列表