在不同数字电视传输系统中保持可靠、高质量服务的秘诀在于关注那些有可能破坏系统完备性的关键因素。本文介绍这些关键的射频测量，它们可以帮助在收视者完全丧失数字电视服务和画面之前提前检测出有关的问题。-In different digital television transmission system to maintain reliable, high-quality services for those concerned about the secret lies in the possibi

控制tuner（电视调谐器）完成RF信号到AV（音视频）信号转换的一个模块，包括硬件原理图和软件。-Control tuner (TV tuner) to complete RF signal to the AV (audio video) signal conversion module, including the hardware schematics and software.

a little program that helps you generate analog rf output using only your vga card at 76.5 Mhz