DE69522150D1 - Operationsverstärker und Stromdetektorschaltungen - Google Patents
Operationsverstärker und StromdetektorschaltungenInfo
- Publication number
- DE69522150D1 DE69522150D1 DE69522150T DE69522150T DE69522150D1 DE 69522150 D1 DE69522150 D1 DE 69522150D1 DE 69522150 T DE69522150 T DE 69522150T DE 69522150 T DE69522150 T DE 69522150T DE 69522150 D1 DE69522150 D1 DE 69522150D1
- Authority
- DE
- Germany
- Prior art keywords
- current detector
- operational amplifiers
- detector circuits
- circuits
- amplifiers
- 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
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
- H03F3/345—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with field-effect devices
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
- H03F3/3022—CMOS common source output SEPP amplifiers
- H03F3/3023—CMOS common source output SEPP amplifiers with asymmetrical driving of the end stage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
- H03F3/3022—CMOS common source output SEPP amplifiers
- H03F3/3028—CMOS common source output SEPP amplifiers with symmetrical driving of the end stage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13542694A JP3385100B2 (ja) | 1994-06-17 | 1994-06-17 | 演算増幅器 |
JP15587594A JP3828165B2 (ja) | 1994-07-07 | 1994-07-07 | 電流検出回路及び増幅器 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69522150D1 true DE69522150D1 (de) | 2001-09-20 |
DE69522150T2 DE69522150T2 (de) | 2001-11-22 |
Family
ID=26469287
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69522150T Expired - Lifetime DE69522150T2 (de) | 1994-06-17 | 1995-03-30 | Operationsverstärker und Stromdetektorschaltungen |
DE69532093T Expired - Lifetime DE69532093T2 (de) | 1994-06-17 | 1995-03-30 | Stromdetektorschaltungen |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69532093T Expired - Lifetime DE69532093T2 (de) | 1994-06-17 | 1995-03-30 | Stromdetektorschaltungen |
Country Status (3)
Country | Link |
---|---|
US (3) | US5606287A (de) |
EP (2) | EP0688097B1 (de) |
DE (2) | DE69522150T2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5606287A (en) * | 1994-06-17 | 1997-02-25 | Fujitsu Limited | Operational amplifier having stable operations for a wide range of source voltage, and current detector circuit employing a small number of elements |
JP3537569B2 (ja) * | 1995-02-27 | 2004-06-14 | 松下電器産業株式会社 | 差動増幅装置 |
JP3360501B2 (ja) * | 1995-09-20 | 2002-12-24 | 三菱電機株式会社 | 増幅回路及び携帯電話用半導体集積回路装置 |
US5798673A (en) * | 1996-03-19 | 1998-08-25 | Motorola, Inc. | Low voltage operational amplifier bias circuit and method |
US5734296A (en) * | 1996-03-19 | 1998-03-31 | Motorola, Inc. | Low voltage operational amplifier input stage and method |
US6011415A (en) * | 1996-10-21 | 2000-01-04 | Texas Instruments Incorporated | Shock sensor circuitry and method for amplifying an input signal including leakage currents |
JPH10190373A (ja) * | 1996-12-20 | 1998-07-21 | Fujitsu Ltd | 増幅回路 |
CN1074610C (zh) * | 1998-04-27 | 2001-11-07 | 王斌 | 采用并联稳压热跟踪偏置电路的推挽电流放大器 |
KR100537053B1 (ko) | 1998-12-25 | 2005-12-16 | 후지쯔 가부시끼가이샤 | 푸쉬풀형 증폭 회로 |
US6353363B1 (en) * | 2000-02-29 | 2002-03-05 | Gain Technology Corporation | Low voltage rail-to-rail CMOS output stage |
US6366167B1 (en) | 2000-02-29 | 2002-04-02 | Gain Technology Corporation | Low voltage rail-to-rail CMOS input stage |
US6535062B1 (en) * | 2000-06-30 | 2003-03-18 | Raytheon Company | Low noise, low distortion, complementary IF amplifier |
US6531922B1 (en) * | 2000-10-16 | 2003-03-11 | Koninklijke Philips Electronics N.V. | DC-coupling approach for current mode circuits |
US6501333B1 (en) * | 2001-06-21 | 2002-12-31 | Stmicroelectronics Limited | Differential amplifier circuit |
JP3964182B2 (ja) * | 2001-11-02 | 2007-08-22 | 株式会社ルネサステクノロジ | 半導体装置 |
US6643503B1 (en) | 2002-04-17 | 2003-11-04 | Motorola, Inc. | Wireless speaker for radio communication device |
KR100449950B1 (ko) * | 2002-07-19 | 2004-09-30 | 주식회사 하이닉스반도체 | 부하구동력 가변형 증폭회로 |
US6977553B1 (en) | 2002-09-11 | 2005-12-20 | Marvell International Ltd. | Method and apparatus for an LNA with high linearity and improved gain control |
US7253690B1 (en) | 2002-09-11 | 2007-08-07 | Marvell International, Ltd. | Method and apparatus for an LNA with high linearity and improved gain control |
US7190230B1 (en) | 2002-09-11 | 2007-03-13 | Marvell International Ltd. | Method and apparatus for an LNA with high linearity and improved gain control |
JP2004235499A (ja) | 2003-01-31 | 2004-08-19 | Toshiba Corp | 半導体装置 |
US7609049B1 (en) * | 2008-05-28 | 2009-10-27 | Vimicro Corporation | Accurate scan-mode voltage detection circuit |
US7872531B1 (en) * | 2009-10-16 | 2011-01-18 | Qualcomm, Incorporated | Amplifier bias techniques |
JP5488171B2 (ja) * | 2010-04-27 | 2014-05-14 | 株式会社村田製作所 | バイアス回路、電力増幅器及びカレントミラー回路 |
JP5606345B2 (ja) | 2011-01-25 | 2014-10-15 | セイコーインスツル株式会社 | 出力回路 |
JP2019033414A (ja) * | 2017-08-09 | 2019-02-28 | 富士電機株式会社 | 差動回路およびopアンプ |
CN113169716A (zh) | 2018-12-19 | 2021-07-23 | 三菱电机株式会社 | Ab类放大器以及运算放大器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4267517A (en) * | 1977-12-07 | 1981-05-12 | Tokyo Shibaura Denki Kabushiki Kaisha | Operational amplifier |
JPH0622329B2 (ja) * | 1984-03-05 | 1994-03-23 | 株式会社東芝 | 多数決回路 |
FR2562739B1 (fr) * | 1984-04-06 | 1989-05-26 | Efcis | Amplificateur a large bande a double contre-reaction de mode commun |
US4644288A (en) * | 1985-01-09 | 1987-02-17 | Crown International, Inc. | Method of fault sensing for power amplifiers having coupled power stages with normally alternate current flow |
JP2543872B2 (ja) * | 1986-08-13 | 1996-10-16 | 株式会社東芝 | 増幅回路 |
KR900008393B1 (ko) * | 1986-10-02 | 1990-11-17 | 미츠비시 덴키 가부시키가이샤 | 인버터장치의 과전류보호회로 |
JP2594585B2 (ja) * | 1987-11-25 | 1997-03-26 | 富士通株式会社 | 演算増幅回路 |
DE58908540D1 (de) * | 1989-03-29 | 1994-11-24 | Siemens Ag | Integrierbare Verstärkerschaltung. |
US5055796A (en) * | 1990-05-25 | 1991-10-08 | Maxim Integrated Products | CMOS output stage |
US5606287A (en) * | 1994-06-17 | 1997-02-25 | Fujitsu Limited | Operational amplifier having stable operations for a wide range of source voltage, and current detector circuit employing a small number of elements |
-
1995
- 1995-03-29 US US08/412,561 patent/US5606287A/en not_active Ceased
- 1995-03-30 EP EP95302148A patent/EP0688097B1/de not_active Expired - Lifetime
- 1995-03-30 EP EP01103727A patent/EP1104108B1/de not_active Expired - Lifetime
- 1995-03-30 DE DE69522150T patent/DE69522150T2/de not_active Expired - Lifetime
- 1995-03-30 DE DE69532093T patent/DE69532093T2/de not_active Expired - Lifetime
-
1996
- 1996-08-08 US US08/694,288 patent/US5673002A/en not_active Expired - Lifetime
-
1999
- 1999-02-24 US US09/259,272 patent/USRE37217E1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0688097A2 (de) | 1995-12-20 |
EP1104108A1 (de) | 2001-05-30 |
EP1104108B1 (de) | 2003-11-05 |
USRE37217E1 (en) | 2001-06-12 |
US5606287A (en) | 1997-02-25 |
EP0688097A3 (de) | 1997-01-02 |
US5673002A (en) | 1997-09-30 |
DE69532093D1 (de) | 2003-12-11 |
DE69522150T2 (de) | 2001-11-22 |
EP0688097B1 (de) | 2001-08-16 |
DE69532093T2 (de) | 2004-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: FUJITSU MICROELECTRONICS LTD., TOKYO, JP |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: FUJITSU SEMICONDUCTOR LTD., YOKOHAMA, KANAGAWA, JP |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE |