DE69626021D1 - Volldifferentieller Zweistufenoperationsverstärker mit effizienter Gleichtaktrückkopplungsschaltung - Google Patents
Volldifferentieller Zweistufenoperationsverstärker mit effizienter GleichtaktrückkopplungsschaltungInfo
- Publication number
- DE69626021D1 DE69626021D1 DE69626021T DE69626021T DE69626021D1 DE 69626021 D1 DE69626021 D1 DE 69626021D1 DE 69626021 T DE69626021 T DE 69626021T DE 69626021 T DE69626021 T DE 69626021T DE 69626021 D1 DE69626021 D1 DE 69626021D1
- Authority
- DE
- Germany
- Prior art keywords
- operational amplifier
- common mode
- feedback circuit
- fully differential
- mode feedback
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
- H03F3/45183—Long tailed pairs
- H03F3/45192—Folded cascode stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
- H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
- H03F3/45636—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by using feedback means
- H03F3/45641—Measuring at the loading circuit of the differential amplifier
- H03F3/45654—Controlling the active amplifying circuit of the differential amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
- H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
- H03F3/45636—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by using feedback means
- H03F3/45641—Measuring at the loading circuit of the differential amplifier
- H03F3/45659—Controlling the loading circuit of the differential amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45421—Indexing scheme relating to differential amplifiers the CMCL comprising a switched capacitor addition circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45631—Indexing scheme relating to differential amplifiers the LC comprising one or more capacitors, e.g. coupling capacitors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45711—Indexing scheme relating to differential amplifiers the LC comprising two anti-phase controlled SEPP circuits as output stages, e.g. fully differential
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96830555A EP0840442B1 (de) | 1996-10-30 | 1996-10-30 | Volldifferentieller Zweistufenoperationsverstärker mit effizienter Gleichtaktrückkopplungsschaltung |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69626021D1 true DE69626021D1 (de) | 2003-03-06 |
Family
ID=8226048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69626021T Expired - Lifetime DE69626021D1 (de) | 1996-10-30 | 1996-10-30 | Volldifferentieller Zweistufenoperationsverstärker mit effizienter Gleichtaktrückkopplungsschaltung |
Country Status (3)
Country | Link |
---|---|
US (1) | US5955922A (de) |
EP (1) | EP0840442B1 (de) |
DE (1) | DE69626021D1 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2344902B (en) | 1998-12-18 | 2003-04-23 | Ericsson Telefon Ab L M | Level shift circuit |
US6265941B1 (en) * | 1999-11-12 | 2001-07-24 | Agere Systems Guardian Corp. | Balanced differential amplifier having common mode feedback with kick-start |
US6420931B1 (en) * | 2000-04-06 | 2002-07-16 | National Semiconductor Corporation | High swing output circuit having differential to single-ended conversion and method |
EP1168603A1 (de) | 2000-06-26 | 2002-01-02 | STMicroelectronics S.r.l. | Vollständig differentieller Operationsverstärker mit geschalteten Kapazitäten und hoher Schaltgefrequenz |
US6466070B1 (en) * | 2000-12-21 | 2002-10-15 | Xilinx, Inc. | Low voltage charge pump |
EP1257053A1 (de) | 2001-05-11 | 2002-11-13 | Telefonaktiebolaget L M Ericsson (Publ) | Differenzsignalübertragungsschaltung |
US6583660B2 (en) * | 2001-05-25 | 2003-06-24 | Infineon Technologies Ag | Active auto zero circuit for time continuous open loop amplifiers |
EP1274171A1 (de) | 2001-07-05 | 2003-01-08 | Telefonaktiebolaget L M Ericsson (Publ) | Differentieller Leitungsempfänger |
ITRM20010458A1 (it) | 2001-07-27 | 2003-01-27 | St Microelectronics Srl | Circuito amplificatore differenziale con regolazione di tensione di modo comune d'uscita. |
DE10142707A1 (de) * | 2001-08-31 | 2003-04-03 | Infineon Technologies Ag | Mehrstufiger Differenzverstärker mit CMFB-Schaltkreis |
CN1414700B (zh) * | 2001-10-23 | 2011-01-26 | 旺宏电子股份有限公司 | 电流镜感应放大器及其操作方式 |
GB0125827D0 (en) * | 2001-10-27 | 2001-12-19 | Koninkl Philips Electronics Nv | Balanced transconductor |
US6700445B2 (en) * | 2002-04-22 | 2004-03-02 | Texas Instruments Incorporated | Filter circuits based on trans-conductor circuits |
US6574129B1 (en) * | 2002-04-30 | 2003-06-03 | Hewlett-Packard Development Company, L.P. | Resistive cross point memory cell arrays having a cross-couple latch sense amplifier |
DE10249835B4 (de) * | 2002-10-25 | 2008-04-03 | Infineon Technologies Ag | Voll differentieller Operationsverstärker |
JP2004328487A (ja) * | 2003-04-25 | 2004-11-18 | Renesas Technology Corp | 演算増幅器 |
US6977543B2 (en) * | 2003-08-26 | 2005-12-20 | Intel Corporation | Biasing technique using thin and thick oxide transistors |
US6965268B2 (en) * | 2003-08-26 | 2005-11-15 | Intel Corporation | Common mode feedback circuit for fully differential two-stage operational amplifiers |
DE10343567B3 (de) * | 2003-09-19 | 2004-11-25 | Infineon Technologies Ag | Mehrstufiger Differenzverstärker |
US7683717B2 (en) * | 2005-12-15 | 2010-03-23 | Intelleflex Corporation | Fully differential amplifier with continuous-time offset reduction |
US8076973B2 (en) | 2007-02-22 | 2011-12-13 | Intelleflex Corporation | Fully differential amplifier with continuous-time offset reduction |
US7564307B2 (en) * | 2007-09-04 | 2009-07-21 | International Business Machines Corporation | Common mode feedback amplifier with switched differential capacitor |
CN103187938B (zh) * | 2011-12-27 | 2017-07-25 | 国民技术股份有限公司 | 一种用于低频信号检测及传输系统的差分模拟前端装置 |
CN103956982B (zh) * | 2014-05-05 | 2017-04-12 | 华侨大学 | 一种用于两级差分放大器的连续时间共模反馈电路 |
US10164591B1 (en) | 2017-08-23 | 2018-12-25 | Qualcomm Incorporated | Differential amplifier with common-mode biasing technique |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4963834A (en) * | 1988-01-21 | 1990-10-16 | Nec Corporation | Operational amplifier |
IT1236787B (it) * | 1989-11-13 | 1993-04-02 | Italtel Spa | Circuito amplificatore di potenza cmos con struttura completamente differenziale. |
IT1247657B (it) * | 1990-12-21 | 1994-12-28 | Sgs Thomson Microelectronics | Amplificatore operazionale cmos di potenza con uscita differenziale. |
US5146179A (en) * | 1991-11-29 | 1992-09-08 | Carnegie Mellon University | Fully differential operational amplifier having frequency dependent impedance division |
FR2694463B1 (fr) * | 1992-07-30 | 1994-10-21 | Sgs Thomson Microelectronics | Amplificateur différentiel CMOS à contre-réaction de mode commun. |
US5442318A (en) * | 1993-10-15 | 1995-08-15 | Hewlett Packard Corporation | Gain enhancement technique for operational amplifiers |
JP2892287B2 (ja) * | 1994-02-04 | 1999-05-17 | 松下電器産業株式会社 | 演算増幅器 |
KR960011407B1 (ko) * | 1994-04-26 | 1996-08-22 | 한국전기통신공사 | 저전압 고속동작의 씨모스 (cmos) 연산증폭기 |
KR100377064B1 (ko) * | 1995-04-04 | 2003-06-02 | 학교법인 포항공과대학교 | 적응바이어서회로및공통모드궤환회로를갖는완전차동폴디드캐스코드씨모오스(cmos)오피앰프(opamp)회로 |
-
1996
- 1996-10-30 EP EP96830555A patent/EP0840442B1/de not_active Expired - Lifetime
- 1996-10-30 DE DE69626021T patent/DE69626021D1/de not_active Expired - Lifetime
-
1997
- 1997-10-22 US US08/956,274 patent/US5955922A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0840442A1 (de) | 1998-05-06 |
US5955922A (en) | 1999-09-21 |
EP0840442B1 (de) | 2003-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |