PROGRAMMABLE ARC-FILTER Russian patent published in 1994 - IPC

Abstract RU 2019904 C1

FIELD: radio engineering. SUBSTANCE: device has five operational amplifiers 1, 8, 11, 13 and 16, two controlled integrators 2 and 3, nine resistors 4, 5, 6, 9, 14, 17, 18, 19 and 21, two digital-to-analog converters 7 and 12, three capacitors 10, 15 and 20. Operations of filter are based on compensation of inertial features of operational amplifiers by introduced negative feedback circuits. EFFECT: increased range of frequencies. 2 cl, 1 dwg

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RU 2 019 904 C1

Authors

Ivanov Ju.I.

Кrutchinskij S.G.

Grishin S.V.

Dates

1994-09-15—Published

1989-08-07—Filed