节点文献
数字电视机顶盒网络接口模块NIU技术研究
Rerearch on the Technologies of Network Interface Unit of Digital TV Set-Top-Box
【摘要】 重点概述了应用于HFC网络终端的数字电视机顶盒的网络接口模块NIU(NetworkInterfaceUnit)的原理 ,给出了两种制式的NIU框图和QPSK与QAM调制在 8MHz带宽内可传送的码率与C/N门限的数据。介绍了PHILIPS公司半导体芯片TDA640 4 /TDA640 5的参数
【Abstract】 The Principle of network interface unit NIU of digital TV set-top-box used in HFC network terminal is described mainly, NIU frame fig of twosorts of format and transmissible code rate and data of S/N threshold within 8 MHz bandwidth with QPSK and QAM modulation are given , parameter of semiconductor chip TDA6404/TDA6405 of PHILIPS company are introduced
- 【文献出处】 中国有线电视 ,China Cable Television , 编辑部邮箱 ,2003年02期
- 【分类号】TN941.3
- 【被引频次】2
- 【下载频次】22