【摘要】 数字电视机顶盒中的前端对于信源解码板能否正常解码起到了至关重要的作用。在简要讨论DVB-C标准的信道传输的基本原理的基础上,从硬件结构、软件设计等方面介绍数字电视机顶盒中接收有线射频信号的前端的设计与实现。更多还原

【Abstract】 On the DTV STB the Front - End is very important for the source decoder. In this paper the principle of the DVB- C channel trarisfering is presened. The implementation of the Front - End receiving Cable RF signal is also introduced from hardware architecture and software design.更多还原