ACTIVE PIEZOELECTRIC BAND FILTER Russian patent published in 1995 - IPC

Abstract RU 2033688 C1

FIELD: radio engineering. SUBSTANCE: active piezoelectric band filter has algebraic adders 1,2 incorporating operational amplifier 3, eleven resistors 4-8 and 13-18, piezoelectric resistors 9-12, capacitors 19-22. Filter depends for its operation on design of algebraic adders whose output signal is in phase opposition and, hence, its second section is built around passive adder. EFFECT: reduced output noise level. 1 dwg

Similar patents RU2033688C1

Title	Year	Author	Number
PIEZOELECTRIC ACTIVE BAND FILTER	1996	Jasinskij I.M. Rjabokon' D.S.	RU2117385C1
ACTIVE BAND-PASS PIEZOELECTRIC FILTER	2000	Jakovlev A.N. Jasinskij I.M.	RU2168850C1
ACTIVE POLAR PIEZO-ELECTRIC FILTER	2005	Polovnev Aleksandr Vjacheslavovich	RU2307461C2
ACTIVE BAND-PASS PIEZOELECTRIC FILTER	1999	Jakovlev A.N. Jasinskij I.M.	RU2168852C2
ACTIVE BAND-PASS PIEZOELECTRIC FILTER	2000	Jakovlev A.N. Jasinskij I.M.	RU2168851C1
ACTIVE BROAD-BAND PIEZOELECTRIC FILTER	1998	Jakovlev A.N. Jasinskij I.M.	RU2137291C1
DUAL-SPLIT ACTIVE PIEZOELECTRIC FILTER	2001	Nasonova L.V. Jasinskij I.M. Jakovlev A.N.	RU2190925C1
ACTIVE PIEZOELECTRIC FILTER	2000	Nasonova L.V. Jakovlev A.N. Jasinskij I.M.	RU2171009C1
BROADBAND MULTICHANNEL PIEZOELECTRIC FILTERING DEVICE	2005	Jasinskij Igor' Mikhajlovich Zvjagintsev Igor' Vladimirovich	RU2296418C1
MULTI-CHANNEL ACTIVE PIEZOELECTRIC FILTER	2009	Nasonova Lilija Vladislavovna Polovnev Aleksandr Vjacheslavovich Jasinskij Igor' Mikhajlovich Jakovlev Andrej Nikolaevich	RU2397609C1

RU 2 033 688 C1

Authors

Karepanov A.I.

Jasinskij I.M.

Dates

1995-04-20—Published

1989-04-04—Filed