HIGH-FREQUENCY LOW-LEVEL SIGNAL CONVERTER

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to u044du043bu0435u043au0442u0440u043eu0438u0437u043cu0435u0440u0438u0442u0435u043bu044cu043du043eu0439 technology and may be used in u0432u043eu043bu044cu0442u043cu0435u0442u0440u0430u0445 ac u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 and information gathering systems, ra u0437u043bu0438u0447u043du043eu0433u043e u043du0430u0437u043du0430u0447u0435u043du0438u00a0. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improved accuracy of small u0443u0440u043eu0432u043du00a0 u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 signals at high frequencies. the converter includes operational amplifiers 1 and 2, large resistors 3 and 4.u043bu043eu0433u0430u0440u0438u0444u043cu0438u0440u0443u044eu0449u0438u0435 elements of b - z u043du0442u0438u043bu043eu0433u0430u0440u0438u0444u043cu0438u0440u0443u044eu0449u0438u0435 elements 9 - 11, an amplifier 12 and u0438u043du0432u0435u0440u0442u0438u0440u0443u044eu0449u0438u0439 integrating capacitor 13.the introduction of the operating u0443u0441u0438u043bu0438u0442u0435u043bu00a0 14, 15 and 16 of the large-scale u0440u0435u0437u0438u0441u0442u043eu0440u0430 u043bu043eu0433u0430u0440u0438u0444u043cu0438u0440u0443u044eu0449u0438u0445 element 19 is reduced u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u043du0438u00a0 signals a small error on the u0443u0440u043eu0432u043du00a0 at high frequencies, resulting from lower rates of u0443u0441u0438u043bu0435u043du0438u00a0 operational amplifiers, and the expansion of frequency range of the u0440u0430u0437u043eu0432u0430u043du0438u00a0. 1 il. (i