DE68929535D1 - Volldifferentiales Filter mit geschalteten Kondensatoren unter Verwendung von CMOS-Operationsverstärkern ohne Gleichtaktrückkopplung - Google Patents

Volldifferentiales Filter mit geschalteten Kondensatoren unter Verwendung von CMOS-Operationsverstärkern ohne Gleichtaktrückkopplung

Info

Publication number
DE68929535D1
DE68929535D1 DE68929535T DE68929535T DE68929535D1 DE 68929535 D1 DE68929535 D1 DE 68929535D1 DE 68929535 T DE68929535 T DE 68929535T DE 68929535 T DE68929535 T DE 68929535T DE 68929535 D1 DE68929535 D1 DE 68929535D1
Authority
DE
Germany
Prior art keywords
common
operational amplifiers
fully differential
mode feedback
capacitor filter
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE68929535T
Other languages
English (en)
Inventor
Germano Nicollini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics SRL
Original Assignee
STMicroelectronics SRL
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 STMicroelectronics SRL filed Critical STMicroelectronics SRL
Application granted granted Critical
Publication of DE68929535D1 publication Critical patent/DE68929535D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/005—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements using switched capacitors, e.g. dynamic amplifiers; using switched capacitors as resistors in differential amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/004—Switched capacitor networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE68929535T 1988-12-22 1989-12-07 Volldifferentiales Filter mit geschalteten Kondensatoren unter Verwendung von CMOS-Operationsverstärkern ohne Gleichtaktrückkopplung Expired - Lifetime DE68929535D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8823059A IT1227615B (it) 1988-12-22 1988-12-22 Filtro completamente differenziale a condensatori commutati utilizzante amplificatori operazionali cmos senza retroazione di modo comune

Publications (1)

Publication Number Publication Date
DE68929535D1 true DE68929535D1 (de) 2005-07-07

Family

ID=11203348

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68929535T Expired - Lifetime DE68929535D1 (de) 1988-12-22 1989-12-07 Volldifferentiales Filter mit geschalteten Kondensatoren unter Verwendung von CMOS-Operationsverstärkern ohne Gleichtaktrückkopplung

Country Status (5)

Country Link
US (2) US5084683A (de)
EP (1) EP0375017B1 (de)
JP (1) JPH02219314A (de)
DE (1) DE68929535D1 (de)
IT (1) IT1227615B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07336169A (ja) * 1994-06-03 1995-12-22 Youzan:Kk 増幅回路
SE9903532D0 (sv) * 1999-09-28 1999-09-28 Jiren Yuan Versatile charge sampling circuits
US7071778B2 (en) 2003-04-28 2006-07-04 Sony Corporation High-speed low-power dynamic current biased operational amplifier
US7339418B2 (en) * 2004-08-17 2008-03-04 National Instruments Corporation Differential filter topology with dielectric absorption cancellation for a data acquisition device
JP2006121307A (ja) * 2004-10-20 2006-05-11 Sony Corp サンプルホールド回路又はそれを用いたａｄ変換器
JP2006121480A (ja) * 2004-10-22 2006-05-11 Sony Corp サンプルホールド回路及びそれを用いたパイプラインａｄ変換器
US8195096B2 (en) * 2006-07-13 2012-06-05 Mediatek Inc. Apparatus and method for enhancing DC offset correction speed of a radio device
ATE500649T1 (de) * 2008-06-13 2011-03-15 Zoran Corp Verstärkerschaltung
US8009071B2 (en) * 2009-12-11 2011-08-30 Zoran Corporation Gain circuit
EP2466745A1 (de) 2010-12-17 2012-06-20 Dialog Semiconductor GmbH Verfahren zur Gleichtaktsteuerung eines Verstärkers
EP2552018A1 (de) 2011-07-26 2013-01-30 ST-Ericsson SA Mikrofon-Vorverstärkerschaltung
US9263993B2 (en) * 2014-04-22 2016-02-16 Mediatek Inc. Low pass filter with common-mode noise reduction
US9231542B1 (en) 2014-11-24 2016-01-05 Dialog Semiconductor (Uk) Limited Amplifier common-mode control method
ITUB20159233A1 (it) * 2015-12-23 2017-06-23 St Microelectronics Srl Circuito elettronico di amplificazione con ridotto tempo di start-up per un segnale includente componenti in quadratura
CN115065234B (zh) * 2022-08-15 2022-11-18 英彼森半导体(珠海)有限公司 一种工作于多种电源电压的模拟滤波器架构及滤波方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574250A (en) * 1981-10-13 1986-03-04 Intel Corporation Switched capacitor filter utilizing a differential input and output circuit and method
US4533877A (en) * 1983-12-29 1985-08-06 At&T Bell Laboratories Telecommunication operational amplifier
IT1213243B (it) * 1984-11-12 1989-12-14 Ates Componenti Elettron Circuito buffer a struttura differenziale per la misurazione di cariche capacitive.
IT1215374B (it) * 1987-03-05 1990-02-08 Sgs Microelettronica Spa Filtro elettronico integrato attivo avente bassissima sensitivita' alle ariazioni dei componenti.
IT1203893B (it) * 1987-04-14 1989-02-23 Sgs Microelettronica Spa Circuito di amplificazione ad elevata precisione con piccolo ingombro e basso consumo di potenza per circuiti integrati.
IT1220188B (it) * 1987-12-11 1990-06-06 Sgs Microelettronica Spa Rilevazione e controllo di modo comune in catena di amplificicatori bilanciati

Also Published As

Publication number Publication date
EP0375017A3 (de) 1990-09-26
US5084683A (en) 1992-01-28
IT1227615B (it) 1991-04-22
USRE35379E (en) 1996-11-19
IT8823059A0 (it) 1988-12-22
EP0375017B1 (de) 2005-06-01
JPH02219314A (ja) 1990-08-31
EP0375017A2 (de) 1990-06-27

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Legal Events

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