ITMI20020161A0 - Filtro attivo - Google Patents

Filtro attivo

Info

Publication number
ITMI20020161A0
ITMI20020161A0 IT2002MI000161A ITMI20020161A ITMI20020161A0 IT MI20020161 A0 ITMI20020161 A0 IT MI20020161A0 IT 2002MI000161 A IT2002MI000161 A IT 2002MI000161A IT MI20020161 A ITMI20020161 A IT MI20020161A IT MI20020161 A0 ITMI20020161 A0 IT MI20020161A0
Authority
IT
Italy
Prior art keywords
active filter
filter
active
Prior art date
Application number
IT2002MI000161A
Other languages
English (en)
Inventor
Roberto Cavazzoni
Original Assignee
Roberto Cavazzoni
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Roberto Cavazzoni filed Critical Roberto Cavazzoni
Priority to IT2002MI000161A priority Critical patent/ITMI20020161A1/it
Publication of ITMI20020161A0 publication Critical patent/ITMI20020161A0/it
Priority to EP02806663A priority patent/EP1470640A1/en
Priority to US10/502,908 priority patent/US7038531B2/en
Priority to PCT/IT2002/000820 priority patent/WO2003065578A1/en
Publication of ITMI20020161A1 publication Critical patent/ITMI20020161A1/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H03H11/1252—Two integrator-loop-filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H03H11/1234—Modifications to reduce detrimental influences of amplifier imperfections, e.g. limited gain-bandwith product, limited input impedance
IT2002MI000161A 2002-01-31 2002-01-31 Filtro attivo ITMI20020161A1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT2002MI000161A ITMI20020161A1 (it) 2002-01-31 2002-01-31 Filtro attivo
EP02806663A EP1470640A1 (en) 2002-01-31 2002-12-23 An active filter
US10/502,908 US7038531B2 (en) 2002-01-31 2002-12-23 Active filter
PCT/IT2002/000820 WO2003065578A1 (en) 2002-01-31 2002-12-23 An active filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2002MI000161A ITMI20020161A1 (it) 2002-01-31 2002-01-31 Filtro attivo

Publications (2)

Publication Number Publication Date
ITMI20020161A0 true ITMI20020161A0 (it) 2002-01-31
ITMI20020161A1 ITMI20020161A1 (it) 2003-07-31

Family

ID=11449033

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2002MI000161A ITMI20020161A1 (it) 2002-01-31 2002-01-31 Filtro attivo

Country Status (4)

Country Link
US (1) US7038531B2 (it)
EP (1) EP1470640A1 (it)
IT (1) ITMI20020161A1 (it)
WO (1) WO2003065578A1 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080111607A1 (en) * 2006-11-10 2008-05-15 Hart Robert T Amplitude-linear differential phase shift circuit
TWI348826B (en) * 2008-01-28 2011-09-11 Prolific Technology Inc Filter and filtering method
US8120417B2 (en) * 2009-07-20 2012-02-21 Texas Instruments Incorporated Transfer-function control in an active filter
US8013672B2 (en) * 2010-01-06 2011-09-06 Hong Kong Applied Science and Technology Research Institute Company Limited Programmable gain amplifier and embedded filter
US8970292B2 (en) 2012-02-01 2015-03-03 Texas Instruments Incorporated Universal filter implementing second-order transfer function
AU2016235071A1 (en) 2015-03-25 2017-07-20 Sunpower Corporation Converter topologies and control
US9954462B2 (en) 2016-06-30 2018-04-24 Sunpower Corporation Converter topologies and control
RU2677362C1 (ru) * 2018-03-14 2019-01-16 федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) Активный rc-фильтр

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696252A (en) * 1970-11-20 1972-10-03 Motorola Inc Active filter for selecting and controlling signals
US3919648A (en) * 1973-06-15 1975-11-11 Baldwin Co D H Voltage-controlled filter
US3999137A (en) * 1976-01-02 1976-12-21 Stromberg-Carlson Corporation Low pass active filter apparatus
US4301419A (en) * 1980-02-13 1981-11-17 The United States Of America As Represented By The Secretary Of The Army Parasitic capacitance compensation in CMOS-switched active filter
US4453132A (en) * 1982-04-21 1984-06-05 Motorola, Inc. Active filter
DE3329195A1 (de) * 1983-08-12 1985-02-28 Karl Heinz Dr.-Ing. 8500 Nürnberg Feistel Aktives kettenfilterglied mit umschaltbarer bandbreite und aktiver parallelschwingkreis hierfuer
US4975653A (en) * 1989-08-29 1990-12-04 Delco Electronics Corporation FM detector using switched capacitor circuits
IT245400Y1 (it) 1998-12-02 2002-03-20 Roberto Cavazzoni Filtro elettronico a reazione composta.

Also Published As

Publication number Publication date
ITMI20020161A1 (it) 2003-07-31
WO2003065578A1 (en) 2003-08-07
US7038531B2 (en) 2006-05-02
EP1470640A1 (en) 2004-10-27
US20050116767A1 (en) 2005-06-02

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