ARRANGEMENT FOR AUTOMATIC SWITCH CONTROL OF AMPLIFICATION IN TV TRANSMITTING AND RELAY STATIONS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 technology automatic core setting u0443u0441u0438u043bu0435u043du0438u00a0 television transmitting and relay u0441u0442u0430u043du0446u0438u00a0u0445. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - to improve the stability of u0443u0441u0438u043bu0435u043du0438u00a0.the device contains u0443u043fu0440u0430u0432u043bu00a0u0435u043cu044bu0439 amplifier 1, high frequency, intermediate frequency amplifier 2 with the internal management of u0443u0441u0438u043bu0435u043du0438u00a0, block u0432u044bu0434u0435u043bu0435u043du0438u00a0 3 signal u0441u0438u043du0445u0440u043eu043du0438u0437 stock, u0444u043eu0440u043cu0438u0440u043eu0432u0430u0442u0435u043bu044c 4 u0441u0442u0440u043eu0431u0438u0440u0443u044eu0449u0435u0433u043e impulse, block u0434u0435u043cu043eu0434u0443u043bu00a0u0446u0438u0438 5 high frequency block u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 6 u0443u0440u043eu0432u043du00a0 signal, block 7 u0441u0442u0440u043eu0431u0438u0440u043eu0432u0430u043du0438u00a0 and u0437u0430u043fu043eu043cu0438u043du0430u043du0438u00a0 (u0431u0441u0437) and cs u0438u043bu0438u0442u0435u043bu044c 8 u043fu043eu0441u0442u043eu00a0u043du043du043eu0433u043e current.the purpose of u0434u043eu0441u0442u0438u0433u0430u0435u0442u0441u00a0 by u0438u0441u043fu043eu043bu044cu0437u043eu0432u0430u043du0438u00a0 u0434u0432u0443u0445u043fu0435u0442u043bu0435u0432u043eu0439 adjustment u0443u0441u0438u043bu0435u043du0438u00a0, u043au043eu0442u043eu0440u0430u00a0 makes the work of sustained and u0437u0430u0432u0438u0441u00a0u0449u0435u0439 from video. as the u0443u0441u0438u043bu0435u043du0438u00a0 in the second loop (u0434u043bu00a0 u0443u0441u0438u043bu0438u0442u0435u043bu00a0 2) more than in the main loop (u0434u043bu00a0 u0443u0441u0438u043bu0438u0442u0435u043bu00a0 1), sustained u0441u0442u0440u043eu0431u0438u0440u0443u044eu0449u0438u0439 signal may u0432u044bu0440u0430u0431u0430u0442u044bu0432u0430u0442u044cu0441u00a0 even with a very low level of the input signal, and this.can't u043fu043eu043bu0443u0447u0438u0442u044cu0441u00a0 overload in the primary loop in the early work. u0442u0440u0435u0431u0443u0435u043cu0430u00a0 sustainability u0440u0435u0448u0435u043du0438u00a0 resumption device m. b. by using modern integrated circuits. 1, z. s - lu, 2).