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IEC 60728-1-2:2014
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Cable networks for television signals, sound signals and interactive services - Part 1-2: Performance requirements for signals delivered at the system outlet in operation
电视信号 声音信号和互动服务的有线网络第1-2部分:在系统出口处交付的信号的性能要求
IEC 60728-1-2:2014规定了在系统出口或终端输入处运行时应满足的最低性能要求,并描述了接收信号和CATV/MATV/SMATV电缆网络(包括单个接收系统)产生的损伤的总和标准。它适用于在约5 MHz至3000 MHz之间运行的电视信号、声音信号和交互服务的有线网络。家庭配线技术将频率范围扩展至6000 MHz,在使用5 GHz至6 GHz频段的房间(或少量相邻房间)内用无线双向通信取代有线线缆。
第二版取消并取代2009年出版的第一版,并构成技术修订版。它包括以下技术要求:更新第7条中的性能要求,以包括DVB-T2信号的性能要求。
IEC 60728-1-2:2014 provides the minimum performance requirements to be fulfilled in operation at the system outlet or terminal input and describes the summation criteria for the impairments present in the received signals and those produced by the CATV/MATV/SMATV cable network, including individual receiving systems. It is applicable to cable networks intended for television signals, sound signals and interactive services operating between about 5 MHz and 3 000 MHz. The frequency range is extended to 6 000 MHz for home distribution techniques that replace wired cords with a wireless two way communication inside a room (or a small number of adjacent rooms) that uses the 5 GHz to 6 GHz frequency band. This second edition cancels and replaces the first edition published in 2009, and constitutes a technical revision. It includes the following technical: update of performance requirements in Clause 7 to include those for DVB-T2 signals.