我国微波接力通信电路已得到初步的发展,并担负着广播电视节目及其伴音的传输任务。近几年来,随着彩色电视的发展,对微波电路特别是电视传输终端设备,提出了更为严格的技术要求,以便在预定的指标容限范围内保 China’s microwave relay communications circuit has been the initial development, and assume the radio and television programs and their accompanying sound transmission tasks. In recent years, with the development of color television sets, more stringent technical requirements have been set for microwave circuits, especially for television transmission terminal equipment, so as to insure the predetermined indicator tolerance