DE60143021D1 - Offsetregelung eines Operationsverstärkers - Google Patents
Offsetregelung eines OperationsverstärkersInfo
- Publication number
- DE60143021D1 DE60143021D1 DE60143021T DE60143021T DE60143021D1 DE 60143021 D1 DE60143021 D1 DE 60143021D1 DE 60143021 T DE60143021 T DE 60143021T DE 60143021 T DE60143021 T DE 60143021T DE 60143021 D1 DE60143021 D1 DE 60143021D1
- Authority
- DE
- Germany
- Prior art keywords
- operational amplifier
- offset control
- cscd
- iocs
- control circuit
- 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
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/307—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in push-pull amplifiers
- H03F1/308—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in push-pull amplifiers using MOSFET
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01401314A EP1258983B1 (de) | 2001-05-18 | 2001-05-18 | Offsetregelung eines Operationsverstärkers |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60143021D1 true DE60143021D1 (de) | 2010-10-21 |
Family
ID=8182733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60143021T Expired - Lifetime DE60143021D1 (de) | 2001-05-18 | 2001-05-18 | Offsetregelung eines Operationsverstärkers |
Country Status (6)
Country | Link |
---|---|
US (1) | US6597239B2 (de) |
EP (1) | EP1258983B1 (de) |
JP (1) | JP4369094B2 (de) |
CN (1) | CN1275384C (de) |
AT (1) | ATE480905T1 (de) |
DE (1) | DE60143021D1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7295061B1 (en) | 2004-09-02 | 2007-11-13 | Marvell International Ltd. | Fully integrated programmable gain chopper amplifier with self DC offset suppression |
JP5440143B2 (ja) * | 2009-12-16 | 2014-03-12 | ヤマハ株式会社 | 電圧加算回路およびd/a変換回路 |
US9203423B2 (en) * | 2013-08-22 | 2015-12-01 | Mediatek Inc. | Class AB signal generation apparatus |
JP2019057759A (ja) * | 2017-09-19 | 2019-04-11 | 株式会社東芝 | 増幅回路、ad変換器、無線通信装置、及びセンサシステム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4229703A (en) * | 1979-02-12 | 1980-10-21 | Varian Associates, Inc. | Zero reference and offset compensation circuit |
JPS5676613A (en) * | 1979-11-29 | 1981-06-24 | Toshiba Corp | Automatic offset calibrating circuit for operational amplifier |
US4358739A (en) * | 1980-02-11 | 1982-11-09 | Nelson David A | Wide-band direct-current coupled transistor amplifier |
JPS56160112A (en) * | 1980-04-30 | 1981-12-09 | Sony Corp | Biasing circuit of electric power amplifier |
DE3142199A1 (de) * | 1980-11-03 | 1982-06-16 | Naamloze Vennootschap Philips' Gloeilampenfabrieken, 5621 Eindhoven | Schaltungsanordnung zur verstaerkung elektrischer signale, die mit einer schaltung zum ausgleichen einer unerwuenschten komponente versehen ist |
US4502020A (en) * | 1983-10-26 | 1985-02-26 | Comlinear Corporation | Settling time reduction in wide-band direct-coupled transistor amplifiers |
US4638260A (en) * | 1984-09-21 | 1987-01-20 | Hamley James P | Audio amplifier |
US6066986A (en) * | 1998-04-29 | 2000-05-23 | Chao; Robert L. | Integrated monolithic operational amplifier with electrically adjustable input offset voltage |
US6114980A (en) * | 1999-04-13 | 2000-09-05 | Motorola, Inc. | Method and apparatus for settling a DC offset |
-
2001
- 2001-05-18 EP EP01401314A patent/EP1258983B1/de not_active Expired - Lifetime
- 2001-05-18 AT AT01401314T patent/ATE480905T1/de not_active IP Right Cessation
- 2001-05-18 DE DE60143021T patent/DE60143021D1/de not_active Expired - Lifetime
-
2002
- 2002-04-30 JP JP2002127950A patent/JP4369094B2/ja not_active Expired - Fee Related
- 2002-05-03 US US10/137,385 patent/US6597239B2/en not_active Expired - Fee Related
- 2002-05-17 CN CN02119895.0A patent/CN1275384C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1258983B1 (de) | 2010-09-08 |
CN1387316A (zh) | 2002-12-25 |
ATE480905T1 (de) | 2010-09-15 |
JP4369094B2 (ja) | 2009-11-18 |
EP1258983A1 (de) | 2002-11-20 |
CN1275384C (zh) | 2006-09-13 |
US20020171474A1 (en) | 2002-11-21 |
US6597239B2 (en) | 2003-07-22 |
JP2003008367A (ja) | 2003-01-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK1219967T3 (da) | Impedansdetektionskredslöb, impedansdetektor og fremgangsmåde til detektion af impedans | |
KR950026138A (ko) | 광 전자 제어 rf 정합 회로 | |
ATE388441T1 (de) | Konfigurierbarer operativer verstärker als peripheriegerät eines mikrokontrollers | |
DK1238456T3 (da) | Svævende, balanceret udgangskredsløb | |
WO2001056176A3 (en) | Ingrated rf power sensor that compensates for bias changes | |
ATE430404T1 (de) | Differenzoperationsverstärker | |
TW200643427A (en) | Apparatus for current sensing | |
ATE378728T1 (de) | Operationsverstärkeranordnung mit ruhestromeinstellungschaltung | |
ATE480905T1 (de) | Offsetregelung eines operationsverstärkers | |
NO20032013D0 (no) | Impedans deteksjonskrets, metode derav og elektrostatisk kapasitans deteksjonskrets | |
DK1169763T3 (da) | Beskyttelseskredsløb for et elektronisk apparat | |
NO20032014D0 (no) | Impedans deteksjonskrets og elektrostatisk kapasitans deteksjonskrets | |
ATE483987T1 (de) | Effektivwert-gleichspannungswandler mit fehlererkennung und -korrektur | |
KR920005455A (ko) | 증폭 회로 | |
KR970705229A (ko) | IF 증폭기/제한기(IF Amplifiers/Limiters) | |
CN110061711B (zh) | 信号放大电路及电子装置 | |
EE200000661A (et) | Väikese võimsustarbega lineaarse tagasisidega nihkeregistrid | |
KR910007238A (ko) | 증폭 회로 | |
DE50100529D1 (de) | Schaltungsanordnung zur arbeitspunkteinstellung eines hochfrequenztransistors und verstärkerschaltung | |
DK1273100T3 (da) | Balanceringskredslöbsindretning | |
CN214901374U (zh) | 一种led功率补偿电路、芯片及系统 | |
ES2169751T3 (es) | Circuito rectificador. | |
ATE319252T1 (de) | Breitbandiger niederspannung-leitungstreiber | |
NO20051218L (no) | DAC-basert spenningsregulator for flash-minnerekke | |
KR930007327B1 (ko) | 나눗셈 연산회로 |