ITMI20031566A1 - Filtro attivo. - Google Patents

Filtro attivo.

Info

Publication number
ITMI20031566A1
ITMI20031566A1 IT001566A ITMI20031566A ITMI20031566A1 IT MI20031566 A1 ITMI20031566 A1 IT MI20031566A1 IT 001566 A IT001566 A IT 001566A IT MI20031566 A ITMI20031566 A IT MI20031566A IT MI20031566 A1 ITMI20031566 A1 IT MI20031566A1
Authority
IT
Italy
Prior art keywords
active filter
filter
active
Prior art date
Application number
IT001566A
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 IT001566A priority Critical patent/ITMI20031566A1/it
Priority to US10/566,456 priority patent/US7683703B2/en
Priority to EP04744136A priority patent/EP1665525A2/en
Priority to CNA2004800217304A priority patent/CN1875542A/zh
Priority to PCT/IB2004/002485 priority patent/WO2005011112A2/en
Publication of ITMI20031566A1 publication Critical patent/ITMI20031566A1/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
    • 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
IT001566A 2003-07-31 2003-07-31 Filtro attivo. ITMI20031566A1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT001566A ITMI20031566A1 (it) 2003-07-31 2003-07-31 Filtro attivo.
US10/566,456 US7683703B2 (en) 2003-07-31 2004-07-30 Active filter
EP04744136A EP1665525A2 (en) 2003-07-31 2004-07-30 An active filter
CNA2004800217304A CN1875542A (zh) 2003-07-31 2004-07-30 有源滤波器
PCT/IB2004/002485 WO2005011112A2 (en) 2003-07-31 2004-07-30 An active filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT001566A ITMI20031566A1 (it) 2003-07-31 2003-07-31 Filtro attivo.

Publications (1)

Publication Number Publication Date
ITMI20031566A1 true ITMI20031566A1 (it) 2005-02-01

Family

ID=34090513

Family Applications (1)

Application Number Title Priority Date Filing Date
IT001566A ITMI20031566A1 (it) 2003-07-31 2003-07-31 Filtro attivo.

Country Status (5)

Country Link
US (1) US7683703B2 (it)
EP (1) EP1665525A2 (it)
CN (1) CN1875542A (it)
IT (1) ITMI20031566A1 (it)
WO (1) WO2005011112A2 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060018553A (ko) * 2004-08-25 2006-03-02 삼성전자주식회사 기준 전압의 흔들림을 줄이기 위한 기준 전압 흔들림 보상회로 및 이를 가지는 비교기
WO2009060407A1 (en) * 2007-11-09 2009-05-14 Nxp B.V. Differential filtering device
US20090212855A1 (en) * 2008-02-22 2009-08-27 Jamaal Mitchell Feedback technique and filter and method
US8452253B2 (en) * 2010-07-20 2013-05-28 Broadcom Corporation Compact low-power receiver including transimpedance amplifier, digitally controlled interface circuit, and low pass filter
US8970292B2 (en) * 2012-02-01 2015-03-03 Texas Instruments Incorporated Universal filter implementing second-order transfer function
CN103346748B (zh) * 2013-07-29 2016-08-10 南京大学 一种高通滤波电路模块的构建方法
CN103795372B (zh) * 2014-01-26 2016-08-24 广州润芯信息技术有限公司 双二阶有源rc滤波电路及其补偿方法
CN112971810B (zh) * 2021-05-11 2021-08-10 浙江普可医疗科技有限公司 一种脑电采集系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001712A (en) * 1975-12-18 1977-01-04 General Electric Company Active filter with inverse option
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
DE3329195C2 (de) * 1983-08-12 1987-01-29 Karl Heinz Dr.-Ing. 8500 Nürnberg Feistel Aktives Kettenfilterglied mit umschaltbarer Bandbreite und aktiver Parallelschwingkreis hierfür
DE3718097A1 (de) * 1987-05-29 1988-12-08 Bruegemann Hans Gmbh Bandpass-filter
EP0768753A4 (en) * 1994-06-13 2000-05-17 Takeshi Ikeda TUNED AMPLIFIER
IT245400Y1 (it) 1998-12-02 2002-03-20 Roberto Cavazzoni Filtro elettronico a reazione composta.

Also Published As

Publication number Publication date
CN1875542A (zh) 2006-12-06
US20060197587A1 (en) 2006-09-07
EP1665525A2 (en) 2006-06-07
WO2005011112A8 (en) 2005-03-10
US7683703B2 (en) 2010-03-23
WO2005011112A2 (en) 2005-02-03

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