CN104852697A - 改善共模抑制比的装置和方法 - Google Patents
改善共模抑制比的装置和方法 Download PDFInfo
- Publication number
- CN104852697A CN104852697A CN201510083323.6A CN201510083323A CN104852697A CN 104852697 A CN104852697 A CN 104852697A CN 201510083323 A CN201510083323 A CN 201510083323A CN 104852697 A CN104852697 A CN 104852697A
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- Prior art keywords
- differential amplifier
- deviation
- circuit
- resistor
- feedback path
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000013459 approach Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000593 degrading effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 5
- 101100356451 Oryza sativa subsp. japonica RF2a gene Proteins 0.000 description 4
- 101100356452 Oryza sativa subsp. japonica RF2b gene Proteins 0.000 description 4
- 239000010752 BS 2869 Class D Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
- H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
-
- 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
-
- 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
- H03F3/217—Class D power amplifiers; Switching amplifiers
- H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
-
- 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
- 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
- H03F3/45932—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by using feedback means
-
- 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
- H03F3/45991—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 by using balancing means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/129—Indexing scheme relating to amplifiers there being a feedback over the complete 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
- H03F2203/45112—Indexing scheme relating to differential amplifiers the biasing of the differential amplifier being controlled from the input or the output signal
-
- 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
- H03F2203/45528—Indexing scheme relating to differential amplifiers the FBC comprising one or more passive resistors and being coupled between the LC and the IC
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/184,555 US9264002B2 (en) | 2014-02-19 | 2014-02-19 | Apparatus and methods for improving common mode rejection ratio |
US14/184,555 | 2014-02-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104852697A true CN104852697A (zh) | 2015-08-19 |
CN104852697B CN104852697B (zh) | 2018-05-22 |
Family
ID=53759055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510083323.6A Active CN104852697B (zh) | 2014-02-19 | 2015-02-16 | 改善共模抑制比的装置和方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9264002B2 (zh) |
CN (1) | CN104852697B (zh) |
DE (1) | DE102015101837B4 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105978517A (zh) * | 2016-06-16 | 2016-09-28 | 西安航天计量测试研究所 | 一种能抑制高共模电压的直流电压放大器 |
CN109004911A (zh) * | 2017-06-07 | 2018-12-14 | 亚德诺半导体集团 | 具有调节的共模抑制的差分放大器和具有改进的共模抑制比率的电路 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2544835B (en) * | 2015-11-17 | 2020-02-12 | Cirrus Logic Int Semiconductor Ltd | Current sense amplifier with common mode rejection |
US10132844B2 (en) | 2015-11-17 | 2018-11-20 | Cirrus Logic, Inc. | Current sense amplifier with common mode rejection |
US10320337B2 (en) | 2016-08-30 | 2019-06-11 | Cirrus Logic, Inc. | Fully-differential operational amplifier system |
US10014834B1 (en) * | 2016-12-29 | 2018-07-03 | STMicroelectronics (Alps) SAS | Differential sensing circuit of a floating voltage source |
GB2603329B (en) * | 2017-11-10 | 2023-04-26 | Cirrus Logic Int Semiconductor Ltd | Class-D amplifier with multiple independent output stages |
US10797704B2 (en) * | 2018-09-04 | 2020-10-06 | Maxim Integrated Products, Inc. | Differential signal transfer systems and associated methods |
TWI671999B (zh) * | 2019-02-19 | 2019-09-11 | 晶豪科技股份有限公司 | D類功率放大器電路 |
US11296666B1 (en) * | 2019-02-22 | 2022-04-05 | Cirrus Logic, Inc. | High common mode rejection ratio (CMRR) current monitoring circuit using floating supplies |
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 |
US11522509B2 (en) | 2021-03-08 | 2022-12-06 | Cirrus Logic, Inc. | Frequency-selective common-mode control and output stage biasing in an operational amplifier for a class-D amplifier loop filter |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3761831A (en) * | 1972-02-28 | 1973-09-25 | Bunker Ramo | Common mode rejection means for differential circuits |
US4525677A (en) * | 1983-10-12 | 1985-06-25 | The Grass Valley Group, Inc. | Differential amplifier having high common-mode rejection ratio |
CN1682437A (zh) * | 2002-09-10 | 2005-10-12 | 沃福森微电子股份有限公司 | 跨导放大器 |
US20090027125A1 (en) * | 2007-07-24 | 2009-01-29 | Analog Devices, Inc. | Common mode rejection calibration method for difference amplifiers |
CN101764612A (zh) * | 2008-12-31 | 2010-06-30 | 香港应用科技研究院有限公司 | 多阶段比较器 |
CN101841335A (zh) * | 2009-03-18 | 2010-09-22 | 意法半导体股份有限公司 | 具有偏移补偿的比较器 |
CN202026280U (zh) * | 2011-04-12 | 2011-11-02 | 四川中测流量科技有限公司 | 科里奥利质量流量计变送器信号等相移对称放大电路 |
US8446205B2 (en) * | 2010-03-31 | 2013-05-21 | Fujitsu Semiconductor Limited | Mixer circuit and method for adjusting common voltage of mixer circuit |
US8552801B2 (en) * | 2010-12-17 | 2013-10-08 | Dialog Semiconductor Gmbh. | Amplifier common-mode control methods |
US8638165B2 (en) * | 2011-06-06 | 2014-01-28 | Qualcomm Incorporated | Switched-capacitor DC blocking amplifier |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5166635A (en) * | 1991-03-27 | 1992-11-24 | Level One Communications, Inc. | Digital data line driver |
KR0183290B1 (ko) * | 1996-11-16 | 1999-04-15 | 삼성전자주식회사 | 동상신호 제거비 자동 조절회로 및 그 운용방법 |
US6268770B1 (en) * | 1998-07-17 | 2001-07-31 | Anthony T. Barbetta | Wide bandwidth, current sharing, MOSFET audio power amplifier with multiple feedback loops |
DE19858078B4 (de) * | 1998-12-16 | 2012-04-12 | Nokia Mobile Phones Ltd. | Signalverstärkerschaltung mit symmetrischen Ein- und Ausgängen |
US6380807B1 (en) | 2000-11-22 | 2002-04-30 | Analog Devices, Inc. | Dynamic bridge system with common mode range extension |
EP1354399B1 (en) | 2000-12-15 | 2006-04-19 | Broadcom Corporation | Differential amplifier with large input common mode signal range |
US6507223B2 (en) * | 2001-02-22 | 2003-01-14 | Sigmatel, Inc. | Differential line driver having adjustable common mode operation |
US6617838B1 (en) | 2001-09-11 | 2003-09-09 | Analog Devices, Inc. | Current measurement circuit |
US6924696B2 (en) * | 2002-07-25 | 2005-08-02 | Honeywell International Inc. | Method and apparatus for common-mode level shifting |
US6956727B1 (en) | 2004-01-21 | 2005-10-18 | Analog Devices, Inc. | High side current monitor with extended voltage range |
-
2014
- 2014-02-19 US US14/184,555 patent/US9264002B2/en active Active
-
2015
- 2015-02-09 DE DE102015101837.3A patent/DE102015101837B4/de active Active
- 2015-02-16 CN CN201510083323.6A patent/CN104852697B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3761831A (en) * | 1972-02-28 | 1973-09-25 | Bunker Ramo | Common mode rejection means for differential circuits |
US4525677A (en) * | 1983-10-12 | 1985-06-25 | The Grass Valley Group, Inc. | Differential amplifier having high common-mode rejection ratio |
CN1682437A (zh) * | 2002-09-10 | 2005-10-12 | 沃福森微电子股份有限公司 | 跨导放大器 |
US20090027125A1 (en) * | 2007-07-24 | 2009-01-29 | Analog Devices, Inc. | Common mode rejection calibration method for difference amplifiers |
CN101764612A (zh) * | 2008-12-31 | 2010-06-30 | 香港应用科技研究院有限公司 | 多阶段比较器 |
CN101841335A (zh) * | 2009-03-18 | 2010-09-22 | 意法半导体股份有限公司 | 具有偏移补偿的比较器 |
US8446205B2 (en) * | 2010-03-31 | 2013-05-21 | Fujitsu Semiconductor Limited | Mixer circuit and method for adjusting common voltage of mixer circuit |
US8552801B2 (en) * | 2010-12-17 | 2013-10-08 | Dialog Semiconductor Gmbh. | Amplifier common-mode control methods |
CN202026280U (zh) * | 2011-04-12 | 2011-11-02 | 四川中测流量科技有限公司 | 科里奥利质量流量计变送器信号等相移对称放大电路 |
US8638165B2 (en) * | 2011-06-06 | 2014-01-28 | Qualcomm Incorporated | Switched-capacitor DC blocking amplifier |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105978517A (zh) * | 2016-06-16 | 2016-09-28 | 西安航天计量测试研究所 | 一种能抑制高共模电压的直流电压放大器 |
CN105978517B (zh) * | 2016-06-16 | 2018-05-25 | 西安航天计量测试研究所 | 一种能抑制高共模电压的直流电压放大器 |
CN109004911A (zh) * | 2017-06-07 | 2018-12-14 | 亚德诺半导体集团 | 具有调节的共模抑制的差分放大器和具有改进的共模抑制比率的电路 |
CN109004911B (zh) * | 2017-06-07 | 2023-12-01 | 亚德诺半导体国际无限责任公司 | 具有调节的共模抑制的差分放大器和具有改进的共模抑制比率的电路 |
Also Published As
Publication number | Publication date |
---|---|
CN104852697B (zh) | 2018-05-22 |
DE102015101837A1 (de) | 2015-08-20 |
US20150236662A1 (en) | 2015-08-20 |
DE102015101837B4 (de) | 2020-09-10 |
US9264002B2 (en) | 2016-02-16 |
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Legal Events
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GR01 | Patent grant | ||
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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 |
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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 |
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Effective date of registration: 20210630 Address after: Limerick Patentee after: ANALOG DEVICES INTERNATIONAL UNLIMITED Co. Address before: Limerick Patentee before: Analog Devices Global Unlimited Co. |