UNIVERSAL ACTIVE RC FILTER Russian patent published in 2000 - IPC

Abstract RU 2149499 C1

FIELD: radio engineering. SUBSTANCE: filter meant for use in microelectronic selective units of radio equipment has first, second, and third resistors 1, 2, 3, first and third operational amplifiers 4, 5, fourth, fifth, and sixth resistors 6, 7, 8, second operational amplifier 9, first capacitor 10, seventh resistor 11, second capacitor 12, and eighth resistor 13. EFFECT: extended operating frequency range and/or improved stability of parameters. 5 dwg, 2 tbl

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RU 2 149 499 C1

Authors

Ivanov Ju.I.

Dates

2000-05-20—Published

1999-05-07—Filed