电视发射机数字化中关于输出滤波器的分析

Analysis of Output Filter During Process of TV Transmitter Digitization

输出滤波器是电视发射系统中的重要组成部分,数字电视发射机对输出滤波器的要求更高。对输出滤波器的改造是现有模拟电视发射机改造为数字电视发射机的一个重要内容。讨论了电视发射机输出滤波器的类型、技术指标、数字电视发射机对输出滤波器的要求及改造方法。

The output filter is one of the important parts of the TV transmitting system, and the output filter of digital television transmitter is more demanding. The type of TV transmitter output filter, technical indicators, digital TV transmitter requirements on the output filter and the transformation method are all discussed.