CATV机顶盒设计的原理与实现

Principle and Realization of CATV Set Top Box

介绍了数字电视机顶盒的基本原理和以有线电视传输网络为传播载体的数字电视机顶盒的设计原理 ,阐述了在实现过程中所用到的数据的调制与解调技术、加解扰技术和复用与解复用技术等关键技术 ,提出了一种基于 ST公司 STV0 2 97和 STI5 5

This paper introduces the design principle of digital TV STB based on propagate carrier of cable TV transmission network. It uses the key techniques of digital modulation and demodulation, scramble and descramble, multiplex and demultiplex, and puts forward a kind of solution based on chip STV0297 and STI5518.