DE3370086D1 - A constant current source circuit - Google Patents

A constant current source circuit

Info

Publication number
DE3370086D1
DE3370086D1 DE8383304957T DE3370086T DE3370086D1 DE 3370086 D1 DE3370086 D1 DE 3370086D1 DE 8383304957 T DE8383304957 T DE 8383304957T DE 3370086 T DE3370086 T DE 3370086T DE 3370086 D1 DE3370086 D1 DE 3370086D1
Authority
DE
Germany
Prior art keywords
current source
constant current
source circuit
circuit
constant
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
Application number
DE8383304957T
Other languages
German (de)
English (en)
Inventor
Hisao C O Patent Divi Kuwahara
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3370086D1 publication Critical patent/DE3370086D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/22—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only
    • G05F3/222—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage
    • G05F3/227—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage producing a current or voltage as a predetermined function of the supply voltage

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Electrical Variables (AREA)
  • Amplifiers (AREA)
DE8383304957T 1982-09-01 1983-08-26 A constant current source circuit Expired DE3370086D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57151917A JPS5941022A (ja) 1982-09-01 1982-09-01 定電流回路

Publications (1)

Publication Number Publication Date
DE3370086D1 true DE3370086D1 (en) 1987-04-09

Family

ID=15529016

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383304957T Expired DE3370086D1 (en) 1982-09-01 1983-08-26 A constant current source circuit

Country Status (4)

Country Link
US (1) US4498041A (US20040232935A1-20041125-M00001.png)
EP (1) EP0104777B1 (US20040232935A1-20041125-M00001.png)
JP (1) JPS5941022A (US20040232935A1-20041125-M00001.png)
DE (1) DE3370086D1 (US20040232935A1-20041125-M00001.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578632A (en) * 1984-05-07 1986-03-25 General Electric Company Intergratable load voltage sampling circuit for R.M.S. load average voltage control apparatus
JPH0727424B2 (ja) * 1988-12-09 1995-03-29 富士通株式会社 定電流源回路
US4945260A (en) * 1989-04-17 1990-07-31 Advanced Micro Devices, Inc. Temperature and supply compensated ECL bandgap reference voltage generator
JP3490165B2 (ja) * 1994-12-15 2004-01-26 株式会社アドバンテスト ドライバ回路
JP2940416B2 (ja) * 1994-10-06 1999-08-25 マックス株式会社 連結ネジ用ネジ締め機におけるネジ供給装置
US5661395A (en) * 1995-09-28 1997-08-26 International Business Machines Corporation Active, low Vsd, field effect transistor current source

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922596A (en) * 1973-08-13 1975-11-25 Motorola Inc Current regulator
US4055774A (en) * 1975-09-26 1977-10-25 Rca Corporation Current scaling apparatus
JPS5922245B2 (ja) * 1975-12-05 1984-05-25 日本電気株式会社 テイデンアツバイアスカイロ
JPS5659321A (en) * 1979-08-09 1981-05-22 Toshiba Corp Constant-current regulated power circuit
US4297646A (en) * 1980-01-25 1981-10-27 Motorola Inc. Current mirror circuit
JPS56121114A (en) * 1980-02-28 1981-09-22 Seiko Instr & Electronics Ltd Constant-current circuit

Also Published As

Publication number Publication date
EP0104777A1 (en) 1984-04-04
JPS5941022A (ja) 1984-03-07
US4498041A (en) 1985-02-05
EP0104777B1 (en) 1987-03-04
JPH0480406B2 (US20040232935A1-20041125-M00001.png) 1992-12-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee