DE60125601D1 - Differenzstromquelle mit aktiver gleichtaktreduzierung - Google Patents

Differenzstromquelle mit aktiver gleichtaktreduzierung

Info

Publication number
DE60125601D1
DE60125601D1 DE60125601T DE60125601T DE60125601D1 DE 60125601 D1 DE60125601 D1 DE 60125601D1 DE 60125601 T DE60125601 T DE 60125601T DE 60125601 T DE60125601 T DE 60125601T DE 60125601 D1 DE60125601 D1 DE 60125601D1
Authority
DE
Germany
Prior art keywords
current source
load
differential current
active
grounded
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
Application number
DE60125601T
Other languages
English (en)
Other versions
DE60125601T2 (de
Inventor
Geoffrey Pomeroy
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.)
Lake Shore Cryotronics Inc
Original Assignee
Lake Shore Cryotronics 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 Lake Shore Cryotronics Inc filed Critical Lake Shore Cryotronics Inc
Application granted granted Critical
Publication of DE60125601D1 publication Critical patent/DE60125601D1/de
Publication of DE60125601T2 publication Critical patent/DE60125601T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H03F3/45076—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
    • H03F3/45937—Measuring at the loading circuit of the differential amplifier
    • H03F3/45941—Controlling the input circuit 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
    • H03F2203/45138—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
    • H03F2203/45441—Indexing scheme relating to differential amplifiers the CMCL comprising an integrating circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Semiconductor Lasers (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Control Of Voltage And Current In General (AREA)
DE60125601T 2000-11-21 2001-10-10 Differenzstromquelle mit aktiver gleichtaktreduzierung Expired - Lifetime DE60125601T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US25221200P 2000-11-21 2000-11-21
US252212P 2000-11-21
US971274 2001-10-04
US09/971,274 US6501255B2 (en) 2000-11-21 2001-10-04 Differential current source with active common mode reduction
PCT/US2001/031524 WO2003054924A2 (en) 2000-11-21 2001-10-10 Differential current source with active common mode reduction

Publications (2)

Publication Number Publication Date
DE60125601D1 true DE60125601D1 (de) 2007-02-08
DE60125601T2 DE60125601T2 (de) 2007-10-11

Family

ID=26942125

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60125601T Expired - Lifetime DE60125601T2 (de) 2000-11-21 2001-10-10 Differenzstromquelle mit aktiver gleichtaktreduzierung

Country Status (7)

Country Link
US (1) US6501255B2 (de)
EP (1) EP1410126B1 (de)
JP (1) JP4109200B2 (de)
AT (1) ATE349731T1 (de)
AU (1) AU2001298059A1 (de)
DE (1) DE60125601T2 (de)
WO (1) WO2003054924A2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6667614B1 (en) * 2000-02-16 2003-12-23 Seagate Technology Llc Transfer curve tester for testing magnetic recording heads
JP2002185275A (ja) * 2000-10-06 2002-06-28 Toshiba Corp 可変利得増幅器
JP2005102750A (ja) * 2003-09-26 2005-04-21 Olympus Corp 電気手術用電源装置
US7592790B2 (en) * 2006-04-19 2009-09-22 System General Corp. Start-up circuit with feedforward compensation for power converters
JP2007324991A (ja) * 2006-06-01 2007-12-13 Victor Co Of Japan Ltd 電流検出回路
US7884593B2 (en) * 2008-03-26 2011-02-08 Quantum Design, Inc. Differential and symmetrical current source
WO2010105614A1 (de) * 2009-03-20 2010-09-23 Technische Universität Berlin Messsystem zur beurteilung des schluckvorgangs und/oder bestimmung der aspiration
US7876155B2 (en) * 2009-05-16 2011-01-25 Alcatel-Lucent Usa Inc. Transimpedance amplifier with distributed control of feedback line
TW201126858A (en) * 2010-01-19 2011-08-01 Hon Hai Prec Ind Co Ltd Current balance circuit
SK288245B6 (sk) * 2010-09-03 2015-03-03 Ivan Baĺ¤Ko Prúdový zdroj s aktívnym potláčaním súčtového napätia
US8390374B2 (en) * 2011-01-25 2013-03-05 Analog Devices, Inc. Apparatus and method for amplification with high front-end gain in the presence of large DC offsets
EP2671612A1 (de) 2012-06-07 2013-12-11 Nasesch GbR Verfahren zur Messung der Pharynxobstruktion mittels einer kombinierten Elektrode
US8823453B2 (en) 2012-11-07 2014-09-02 Semtech Corporation Instrumentation amplifier with rail-to-rail input range
GB2526630B (en) * 2014-05-30 2016-05-04 Contacta Systems Ltd Amplifier for induction loop
CN106774576A (zh) * 2016-09-28 2017-05-31 西安航天动力研究所 一种多路精密恒流源
US11853089B2 (en) * 2019-07-25 2023-12-26 Keithley Instruments, Llc Expanded shunt current source
CN111007913B (zh) * 2019-12-05 2021-11-30 北京东方计量测试研究所 一种提升电流源稳定性的电路及方法
CN115461999A (zh) 2020-04-28 2022-12-09 湖畔低温电子学公司 混合数字和模拟信号生成***和方法
CN114217659A (zh) * 2021-12-03 2022-03-22 国网浙江省电力有限公司建德市供电公司 一种压控交流恒流源电路及消弧线圈自动补偿校验装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451779A (en) * 1982-04-22 1984-05-29 Honeywell Inc. Voltage controlled current source
US5087890A (en) * 1989-09-20 1992-02-11 Sanyo Electric Co., Ltd. Amplifier circuit
US5021729A (en) 1989-10-06 1991-06-04 The United States Of America As Represented By The Administrator Of The Administration National Aeronautics And Space Differential current source
US5153499A (en) * 1991-09-18 1992-10-06 Allied-Signal Inc. Precision voltage controlled current source with variable compliance
US5465041A (en) * 1993-09-17 1995-11-07 Penberthy, Inc. Bipolar tracking current source/sink with ground clamp
JPH11205095A (ja) * 1998-01-19 1999-07-30 Nippon Precision Circuits Kk 電圧制御発振回路

Also Published As

Publication number Publication date
US20020060915A1 (en) 2002-05-23
AU2001298059A8 (en) 2003-07-09
DE60125601T2 (de) 2007-10-11
AU2001298059A1 (en) 2003-07-09
EP1410126A4 (de) 2005-11-02
US6501255B2 (en) 2002-12-31
EP1410126B1 (de) 2006-12-27
ATE349731T1 (de) 2007-01-15
JP2005513657A (ja) 2005-05-12
EP1410126A2 (de) 2004-04-21
WO2003054924A3 (en) 2003-10-23
WO2003054924A2 (en) 2003-07-03
JP4109200B2 (ja) 2008-07-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition