１前言电视信号发生器是电视行业内必要的测试、维修工具。采用ＭＣＳ—５１单片机设计制作的电视信号发生器能产生八种最常用的Ｒ、Ｇ、Ｂ、ＳＹＮＧ测试信号。它与由摩托罗拉公司的芯片ＭＣ１３７７和ＭＣ１３７４组成的视频编码器和射频调制器接口，可产生相应的视频和射-1 Preface TV signal generator is necessary tests within the television industry, maintenance tools. MCS-51 microcontroller design TV signal generator can produce eight most commonly R, G, B, SYNG test signal. MC1377 and MC1374 by Motorola chip composed of a video encoder and a RF modulator interface can produce the corresponding video and radio