CN102035483A - 运算放大器 - Google Patents
运算放大器 Download PDFInfo
- Publication number
- CN102035483A CN102035483A CN2010105068483A CN201010506848A CN102035483A CN 102035483 A CN102035483 A CN 102035483A CN 2010105068483 A CN2010105068483 A CN 2010105068483A CN 201010506848 A CN201010506848 A CN 201010506848A CN 102035483 A CN102035483 A CN 102035483A
- Authority
- CN
- China
- Prior art keywords
- amplifier
- input terminal
- transconcluctance
- bias voltage
- switch
- 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.)
- Granted
Links
Images
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
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
- H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
- H03F3/45968—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction
-
- 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
- H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying 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
- H03F2203/45138—Two or more differential amplifiers in IC-block form are combined, e.g. measuring amplifiers
-
- 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
- H03F2203/45212—Indexing scheme relating to differential amplifiers the differential amplifier being designed to have a reduced offset
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-221233 | 2009-09-25 | ||
JP2009221233A JP5291587B2 (ja) | 2009-09-25 | 2009-09-25 | オペアンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102035483A true CN102035483A (zh) | 2011-04-27 |
CN102035483B CN102035483B (zh) | 2016-03-16 |
Family
ID=43779643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010506848.3A Expired - Fee Related CN102035483B (zh) | 2009-09-25 | 2010-09-25 | 运算放大器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8115539B2 (zh) |
JP (1) | JP5291587B2 (zh) |
KR (1) | KR101377916B1 (zh) |
CN (1) | CN102035483B (zh) |
TW (1) | TWI509982B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106571785A (zh) * | 2015-10-08 | 2017-04-19 | 九旸电子股份有限公司 | 以太网络供电设备的增益电路 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6327813B2 (ja) * | 2013-09-04 | 2018-05-23 | 三菱電機株式会社 | 可変利得増幅器 |
JP6555959B2 (ja) * | 2015-07-24 | 2019-08-07 | エイブリック株式会社 | ボルテージレギュレータ |
KR101715630B1 (ko) * | 2016-04-14 | 2017-03-22 | 주식회사 지니틱스 | 두 개의 피드백 커패시터 간의 피드백 연결 전환을 이용하여 터치입력을 감지하는 방법 및 이를 위한 장치 |
US20220123701A1 (en) * | 2018-11-19 | 2022-04-21 | Mitsubishi Electric Corporation | Offset correction circuit |
CN109805920A (zh) * | 2019-03-15 | 2019-05-28 | 浙江诺尔康神经电子科技股份有限公司 | 一种快速人工耳蜗神经遥测电路及*** |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1789919A (zh) * | 2004-12-16 | 2006-06-21 | 冲电气工业株式会社 | 输出放大电路及采用该输出放大电路的传感器装置 |
US20070013439A1 (en) * | 2005-05-04 | 2007-01-18 | Infineon Technologies Ag | Circuit arrangement having an amplifier arrangement and an offset compensation arrangement |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4605907A (en) * | 1985-05-20 | 1986-08-12 | Teledyne Industries, Inc. | Precisely adjustable voltage controlled current mirror amplifier |
EP0418753B1 (de) | 1989-09-20 | 1994-12-07 | Deutsche ITT Industries GmbH | Offsetspannungsabgleichender Operationsverstärker |
WO1999019983A1 (en) * | 1997-10-15 | 1999-04-22 | Maxim Integrated Products, Inc. | Single supply voltage to frequency converter optimized for low voltage sensing above and below ground |
JP3884174B2 (ja) * | 1998-07-08 | 2007-02-21 | 三菱農機株式会社 | 制御ユニットの接続正誤判定方法 |
JP4255564B2 (ja) * | 1999-04-05 | 2009-04-15 | 誠 石田 | 増幅回路 |
US7535295B1 (en) * | 2006-09-15 | 2009-05-19 | Maxim Integrated Products, Inc. | Chopper stabilized amplifiers combining low chopper noise and linear frequency characteristics |
US7973596B2 (en) * | 2009-05-12 | 2011-07-05 | Number 14 B.V. | Low-noise, low-power, low drift offset correction in operational and instrumentation amplifiers |
-
2009
- 2009-09-25 JP JP2009221233A patent/JP5291587B2/ja not_active Expired - Fee Related
-
2010
- 2010-09-08 TW TW099130321A patent/TWI509982B/zh not_active IP Right Cessation
- 2010-09-13 KR KR1020100089498A patent/KR101377916B1/ko active IP Right Grant
- 2010-09-22 US US12/887,862 patent/US8115539B2/en not_active Expired - Fee Related
- 2010-09-25 CN CN201010506848.3A patent/CN102035483B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1789919A (zh) * | 2004-12-16 | 2006-06-21 | 冲电气工业株式会社 | 输出放大电路及采用该输出放大电路的传感器装置 |
JP2006174122A (ja) * | 2004-12-16 | 2006-06-29 | Oki Electric Ind Co Ltd | 出力増幅回路及びそれを用いたセンサ装置 |
US20070013439A1 (en) * | 2005-05-04 | 2007-01-18 | Infineon Technologies Ag | Circuit arrangement having an amplifier arrangement and an offset compensation arrangement |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106571785A (zh) * | 2015-10-08 | 2017-04-19 | 九旸电子股份有限公司 | 以太网络供电设备的增益电路 |
CN106571785B (zh) * | 2015-10-08 | 2018-11-20 | 九旸电子股份有限公司 | 以太网络供电设备的增益电路 |
Also Published As
Publication number | Publication date |
---|---|
KR20110033779A (ko) | 2011-03-31 |
CN102035483B (zh) | 2016-03-16 |
TW201125285A (en) | 2011-07-16 |
US20110074503A1 (en) | 2011-03-31 |
KR101377916B1 (ko) | 2014-03-25 |
US8115539B2 (en) | 2012-02-14 |
JP2011071752A (ja) | 2011-04-07 |
JP5291587B2 (ja) | 2013-09-18 |
TWI509982B (zh) | 2015-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160304 Address after: Chiba County, Japan Patentee after: SEIKO INSTR INC Address before: Chiba, Chiba, Japan Patentee before: Seiko Instruments Inc. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Chiba County, Japan Patentee after: EPPs Lingke Co. Ltd. Address before: Chiba County, Japan Patentee before: SEIKO INSTR INC |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20200925 |