DE102013109957A8 - Schaltung zum Verhindern von lastinduzierter Nichtlinearität in Operationsverstärkern - Google Patents

Schaltung zum Verhindern von lastinduzierter Nichtlinearität in Operationsverstärkern Download PDF

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Publication number
DE102013109957A8
DE102013109957A8 DE102013109957.2A DE102013109957A DE102013109957A8 DE 102013109957 A8 DE102013109957 A8 DE 102013109957A8 DE 102013109957 A DE102013109957 A DE 102013109957A DE 102013109957 A8 DE102013109957 A8 DE 102013109957A8
Authority
DE
Germany
Prior art keywords
linearity
circuit
operational amplifiers
induced non
preventing load
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
Application number
DE102013109957.2A
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English (en)
Other versions
DE102013109957A1 (de
DE102013109957B4 (de
Inventor
Moshe Gerstenhaber
Rayal Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Analog Devices Inc
Original Assignee
Analog Devices Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Analog Devices Inc filed Critical Analog Devices Inc
Publication of DE102013109957A1 publication Critical patent/DE102013109957A1/de
Application granted granted Critical
Publication of DE102013109957B4 publication Critical patent/DE102013109957B4/de
Publication of DE102013109957A8 publication Critical patent/DE102013109957A8/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential 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
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
DE102013109957.2A 2012-09-24 2013-09-11 Schaltung zum Verhindern von lastinduzierter Nichtlinearität in Operationsverstärkern Active DE102013109957B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/625,604 2012-09-24
US13/625,604 US8907725B2 (en) 2012-09-24 2012-09-24 Circuit to prevent load-induced non-linearity in operational amplifiers

Publications (3)

Publication Number Publication Date
DE102013109957A1 DE102013109957A1 (de) 2014-03-27
DE102013109957B4 DE102013109957B4 (de) 2016-12-08
DE102013109957A8 true DE102013109957A8 (de) 2017-02-16

Family

ID=50235476

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102013109957.2A Active DE102013109957B4 (de) 2012-09-24 2013-09-11 Schaltung zum Verhindern von lastinduzierter Nichtlinearität in Operationsverstärkern

Country Status (3)

Country Link
US (1) US8907725B2 (de)
CN (1) CN103677069B (de)
DE (1) DE102013109957B4 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2923530B1 (de) * 2012-11-21 2017-12-20 Versitech Limited Stromspiegelschaltung und verfahren
DE112017001304T5 (de) * 2016-03-14 2018-11-22 Analog Devices, Inc. Aktive Linearisierung für Breitbandverstärker
US11188112B2 (en) * 2020-03-27 2021-11-30 Analog Devices, Inc. Current mirror arrangements with adjustable offset buffers
US11687104B2 (en) * 2021-03-25 2023-06-27 Qualcomm Incorporated Power supply rejection enhancer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285168A (en) * 1991-09-18 1994-02-08 Hitachi, Ltd. Operational amplifier for stably driving a low impedance load of low power consumption

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113146A (en) * 1990-03-21 1992-05-12 U.S. Philips Corp. Amplifier arrangement
US5166637A (en) 1992-03-16 1992-11-24 Analog Devices, Inc. Distortion cancellation amplifier system
US7545215B2 (en) 2007-02-05 2009-06-09 Analog Devices, Inc. Circuit to prevent load-induced DC nonlinearity in an op-amp
GB2448525A (en) * 2007-04-18 2008-10-22 Acp Advanced Circuit Pursuit Ag A linearized low-noise voltage-controlled current source for a mixer
US7679442B2 (en) 2008-04-15 2010-03-16 Analog Devices, Inc. Output distortion cancellation circuit
US7834698B2 (en) * 2008-05-23 2010-11-16 Qualcomm Incorporated Amplifier with improved linearization
CN101615894B (zh) * 2008-06-27 2013-06-19 深圳赛意法微电子有限公司 可调线性运算跨导放大器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285168A (en) * 1991-09-18 1994-02-08 Hitachi, Ltd. Operational amplifier for stably driving a low impedance load of low power consumption

Also Published As

Publication number Publication date
DE102013109957A1 (de) 2014-03-27
US8907725B2 (en) 2014-12-09
US20140085005A1 (en) 2014-03-27
CN103677069B (zh) 2015-11-18
DE102013109957B4 (de) 2016-12-08
CN103677069A (zh) 2014-03-26

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R018 Grant decision by examination section/examining division
R020 Patent grant now final
R081 Change of applicant/patentee

Owner name: ANALOG DEVICES, INC., WILMINGTON, US

Free format text: FORMER OWNER: ANALOG DEVICES INC., NORWOOD, MASS., US

R082 Change of representative

Representative=s name: WITTE, WELLER & PARTNER PATENTANWAELTE MBB, DE