the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to u0440u0430u0434u0438u043eu044du043bu0435u043au0442u0440u043eu043du0438u043au0435 and may be used in u0447u0430u0441u0442u043eu0442u043du043eu0438u0437u0431u0438u0440u0430u0442u0435u043bu044cu043du044bu0445 devices. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - expansion of frequency range.u043fu043eu043bu043eu0441u043eu0432u043eu0439 active rc filter includes a first resistor, a first operational amplifier 2, a condenser 3, a second resistor 4, the second operational amplifier 5, t u0440u0435u0442u0438u0439 and fourth resistors 6 and 7, the second capacitor 8, u043fu00a0u0442u044bu0439 resistor 9 and the third capacitor 10.the long active rc filter is based on the imitation of the unilaterally loaded resonant link on the basis of generalized impedance converter. 1 il.
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