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有线电视,具有信息容量大、电视节目多、图像质量好、声音失真度小、抗干扰能力强、功能齐全,并有与信息高速公路并网的远大前景。有线电视的前端设备的任务是接收电视节目信号,经放大处理后,放送出高质量的有线电视节目信号,所以,有线电视的前端设备是有线电视的重要组成部分,也是有线电视的心脏。有线电视的前端设备,全部安装在标准的机房内,机房内不但要求光照好、易观察、易操作、易维
Cable television, with information capacity, television programs and more, good image quality, small sound distortion, anti-interference ability, full-featured, and with the information highway network with the lofty prospect. Cable TV front-end equipment is tasked to receive television program signals, after amplification processing, to send high-quality cable program signals, so the cable TV front-end equipment is an important part of cable television, but also the heart of cable television. Cable front-end equipment, all installed in a standard room, the engine room not only requires light, easy to observe, easy to operate, easy