CN105099379A - 放大器输入级和放大器 - Google Patents
放大器输入级和放大器 Download PDFInfo
- Publication number
- CN105099379A CN105099379A CN201510239369.2A CN201510239369A CN105099379A CN 105099379 A CN105099379 A CN 105099379A CN 201510239369 A CN201510239369 A CN 201510239369A CN 105099379 A CN105099379 A CN 105099379A
- Authority
- CN
- China
- Prior art keywords
- amplifier
- input stage
- type transistor
- transistor
- signal
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—Dc amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
- H03F3/387—Dc amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only
- H03F3/393—Dc amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only with field-effect devices
-
- 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
-
- 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
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- 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
-
- 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
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/234—Indexing scheme relating to amplifiers the input amplifying stage being one or more operational amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/411—Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising two power stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/555—A voltage generating circuit being realised for biasing different circuit elements
-
- 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
- H03F2203/45116—Feedback coupled to the input 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
- H03F2203/45212—Indexing scheme relating to differential amplifiers the differential amplifier being designed to have a reduced offset
-
- 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
- H03F2203/45366—Indexing scheme relating to differential amplifiers the AAC comprising multiple transistors parallel coupled at their gates only, e.g. in a cascode dif amp, only those forming the composite common source transistor
-
- 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
- H03F2203/45471—Indexing scheme relating to differential amplifiers the CSC comprising one or more extra current sources
-
- 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
- H03F2203/45562—Indexing scheme relating to differential amplifiers the IC comprising a cross coupling circuit, e.g. comprising two cross-coupled transistors
-
- 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
- H03F2203/45644—Indexing scheme relating to differential amplifiers the LC comprising a cross coupling circuit, e.g. comprising two cross-coupled transistors
-
- 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
- H03F2203/45674—Indexing scheme relating to differential amplifiers the LC comprising one current mirror
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/274,258 US9312825B2 (en) | 2014-05-09 | 2014-05-09 | Amplifier input stage and amplifier |
US14/274,258 | 2014-05-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105099379A true CN105099379A (zh) | 2015-11-25 |
CN105099379B CN105099379B (zh) | 2018-06-22 |
Family
ID=54368698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510239369.2A Active CN105099379B (zh) | 2014-05-09 | 2015-05-08 | 放大器输入级和放大器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9312825B2 (zh) |
CN (1) | CN105099379B (zh) |
DE (1) | DE102015106383A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109155613A (zh) * | 2016-05-10 | 2019-01-04 | 斯特拉斯堡大学 | 磁性运算放大器 |
CN111587533A (zh) * | 2018-01-16 | 2020-08-25 | 微芯片技术股份有限公司 | 共模感测架构 |
CN112187196A (zh) * | 2020-09-28 | 2021-01-05 | 上海艾为电子技术股份有限公司 | D类功放和电子设备 |
CN112564642A (zh) * | 2020-12-04 | 2021-03-26 | 江苏科技大学 | 一种斩波放大器频率补偿电路 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201600110064A1 (it) * | 2016-11-02 | 2018-05-02 | St Microelectronics Srl | Circuito amplificatore a uscita singola con configurazione chopper perfezionata |
US10116268B2 (en) | 2017-01-09 | 2018-10-30 | Analog Devices Global | Operational amplifier |
WO2019208122A1 (ja) * | 2018-04-27 | 2019-10-31 | パナソニックIpマネジメント株式会社 | 増幅回路 |
US11251760B2 (en) | 2020-05-20 | 2022-02-15 | Analog Devices, Inc. | Amplifiers with wide input range and low input capacitance |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6380801B1 (en) * | 2000-06-08 | 2002-04-30 | Analog Devices, Inc. | Operational amplifier |
CN1607724A (zh) * | 2003-10-13 | 2005-04-20 | 三星电子株式会社 | Ab类干线-至-干线运算放大器 |
CN1845452A (zh) * | 2005-04-07 | 2006-10-11 | 恩益禧电子股份有限公司 | 具有较小偏移的运算放大器 |
CN101170299A (zh) * | 2006-10-27 | 2008-04-30 | 恩益禧电子股份有限公司 | 运算放大器和显示器件 |
CN202334440U (zh) * | 2011-11-25 | 2012-07-11 | 无锡力芯微电子股份有限公司 | 斩波放大电路及多级放大系统 |
US8330537B1 (en) * | 2010-07-23 | 2012-12-11 | National Semiconductor Corporation | Low noise, high CMRR and PSRR input buffer |
US20130021101A1 (en) * | 2010-04-06 | 2013-01-24 | Alexander Frey | Differential amplifier having rail-to-rail input voltage range |
-
2014
- 2014-05-09 US US14/274,258 patent/US9312825B2/en active Active
-
2015
- 2015-04-24 DE DE102015106383.2A patent/DE102015106383A1/de active Pending
- 2015-05-08 CN CN201510239369.2A patent/CN105099379B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6380801B1 (en) * | 2000-06-08 | 2002-04-30 | Analog Devices, Inc. | Operational amplifier |
CN1607724A (zh) * | 2003-10-13 | 2005-04-20 | 三星电子株式会社 | Ab类干线-至-干线运算放大器 |
CN1845452A (zh) * | 2005-04-07 | 2006-10-11 | 恩益禧电子股份有限公司 | 具有较小偏移的运算放大器 |
CN101170299A (zh) * | 2006-10-27 | 2008-04-30 | 恩益禧电子股份有限公司 | 运算放大器和显示器件 |
US20130021101A1 (en) * | 2010-04-06 | 2013-01-24 | Alexander Frey | Differential amplifier having rail-to-rail input voltage range |
US8330537B1 (en) * | 2010-07-23 | 2012-12-11 | National Semiconductor Corporation | Low noise, high CMRR and PSRR input buffer |
CN202334440U (zh) * | 2011-11-25 | 2012-07-11 | 无锡力芯微电子股份有限公司 | 斩波放大电路及多级放大系统 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109155613A (zh) * | 2016-05-10 | 2019-01-04 | 斯特拉斯堡大学 | 磁性运算放大器 |
CN111587533A (zh) * | 2018-01-16 | 2020-08-25 | 微芯片技术股份有限公司 | 共模感测架构 |
CN111587533B (zh) * | 2018-01-16 | 2023-12-05 | 微芯片技术股份有限公司 | 共模感测架构 |
CN112187196A (zh) * | 2020-09-28 | 2021-01-05 | 上海艾为电子技术股份有限公司 | D类功放和电子设备 |
CN112187196B (zh) * | 2020-09-28 | 2023-04-14 | 上海艾为电子技术股份有限公司 | D类功放和电子设备 |
CN112564642A (zh) * | 2020-12-04 | 2021-03-26 | 江苏科技大学 | 一种斩波放大器频率补偿电路 |
Also Published As
Publication number | Publication date |
---|---|
US20150326193A1 (en) | 2015-11-12 |
US9312825B2 (en) | 2016-04-12 |
CN105099379B (zh) | 2018-06-22 |
DE102015106383A1 (de) | 2015-11-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105099379A (zh) | 放大器输入级和放大器 | |
US9473088B2 (en) | Signal processing circuit, resolver digital converter, and multipath nested mirror amplifier | |
US10135399B2 (en) | Common-mode feedback circuit, corresponding signal processing circuit and method | |
US6359510B1 (en) | Amplifier circuit | |
US8264277B2 (en) | Differential amplifier circuit | |
US7898330B2 (en) | Class AB amplifier systems | |
US7592867B2 (en) | Common mode feedback for large output swing and low differential error | |
JP5480017B2 (ja) | フォールデッドカスコード型の差動アンプ及び半導体装置 | |
US7795959B2 (en) | Switched-capacitor circuit having switch-less feedback path | |
KR20100021938A (ko) | 개선된 위상 마진을 갖는 폴디드 캐스코드 연산 증폭기 | |
CN101860327A (zh) | 级联放大器和用于控制级联放大器的电流的方法 | |
US6384683B1 (en) | High performance intermediate stage circuit for a rail-to-rail input/output CMOS operational amplifier | |
CN103873032A (zh) | 轨对轨输入迟滞比较器 | |
JP3040974B2 (ja) | Cmosレール−レール間入出力増幅器 | |
Centurelli et al. | Comparative performance analysis and complementary triode based CMFB circuits for fully differential class AB symmetrical OTAs with low power consumption | |
WO2006126436A1 (ja) | 信号変換回路 | |
EP2489122B1 (en) | Amplifier bias techniques | |
US8570099B2 (en) | Single-ended-to-differential filter using common mode feedback | |
US8604878B2 (en) | Folded cascode amplifier with an enhanced slew rate | |
US20050162198A1 (en) | Operational amplifier including low DC gain wideband feed forward circuit and high DC gain narrowband gain circuit | |
US8456196B2 (en) | High-speed comparator | |
US9331647B2 (en) | Low-voltage amplifier and method thereof | |
US9450549B2 (en) | Differential amplification circuit | |
CN219499351U (zh) | 轨对轨差分放大器及电子设备 | |
US9716499B2 (en) | Current amplifier and transmitter using the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Limerick Patentee after: Analog Devices Global Unlimited Co. Address before: Limerick Patentee before: Analog Devices Global |
|
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: Limerick Patentee after: Analog Devices Global Address before: Bermuda (UK) Hamilton Patentee before: Analog Devices Global |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210707 Address after: Limerick Patentee after: ANALOG DEVICES INTERNATIONAL UNLIMITED Co. Address before: Limerick Patentee before: Analog Devices Global Unlimited Co. |