随着广播电视事业的飞速发展,近两年我台几个频道的电子管发射机都配备了固态发射机,我们使用的多数是吉兆生产的固态发射机,没有备机连锁及同轴开关,订购的同轴开关只能电动不能自动。一是利用原有电子管发射机上同轴开关来快速实现主备机之间的倒换;二是固态与固态发射机互为主备机时要增加电路,利用订购的同轴开关实现倒换,从而确保我台广播电视的安全播出。 With the rapid development of radio and television industry, in the recent two years, the tube transmitters of several channels in our country are equipped with solid-state transmitters. Most of the radios we use are solid-state transmitters from Kyrgyzstan, there is no preparatory chain and coaxial switch, Coaxial switches can only be electrically powered automatically. First, the use of the original tube transmitter coaxial switch to quickly switch between the main standby; Second solid-state and solid-state transmitters to each other when the standby machine to increase the circuit, the use of coaxial switching order switch to ensure that My radio and television security broadcast.