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1975年7月至1976年4月,我校无线电技术专业7432班的教师和工农兵学员去顺义县开门办学,坚持以阶级斗争为纲、贯彻执行毛主席的教育革命路线,经过八个月的努力,建立起一线多用载波调频广播系统,使全县在已有的一条线路上能同时进行广播、打电话,开电话会议等,受到广大贫下中农的欢迎。本文介绍了该系统的工作原理、结构及设计思想,并对外线实验中产生的问题提出了解决办法。
From July 1975 to April 1976, teachers and workers, peasant and soldiers trainees from 7432 classes of radio technology major in our school opened their schools in Shunyi County. They persisted in using class struggle as the key link and implementing Chairman Mao’s education revolution line. After eight months Efforts to establish a first-line multi-carrier FM radio system, the county in the existing line can simultaneously broadcast, make phone calls, conference calls, etc., by the vast majority of poor farmers welcome. This paper introduces the working principle, structure and design idea of the system, and puts forward the solutions to the problems arising from the outside experiment.