CA1252835A - Source de courant a transistor a effet de champ - Google Patents

Source de courant a transistor a effet de champ

Info

Publication number
CA1252835A
CA1252835A CA000491877A CA491877A CA1252835A CA 1252835 A CA1252835 A CA 1252835A CA 000491877 A CA000491877 A CA 000491877A CA 491877 A CA491877 A CA 491877A CA 1252835 A CA1252835 A CA 1252835A
Authority
CA
Canada
Prior art keywords
current
transistor
integrated circuit
field effect
channel
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
CA000491877A
Other languages
English (en)
Inventor
Jeffrey J. Nagy
Bernard L. Morris
Lawrence A. Walter
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co 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
Priority claimed from US06/656,343 external-priority patent/US4645948A/en
Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of CA1252835A publication Critical patent/CA1252835A/fr
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
    • G05F3/26—Current mirrors
    • 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
    • G05F3/26—Current mirrors
    • G05F3/262—Current mirrors using field-effect transistors only

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (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)
  • Logic Circuits (AREA)
CA000491877A 1984-10-01 1985-09-30 Source de courant a transistor a effet de champ Expired CA1252835A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/656,343 US4645948A (en) 1984-10-01 1984-10-01 Field effect transistor current source
US656,343 1984-10-01
US68599084A 1984-12-24 1984-12-24
US685,990 1984-12-24

Publications (1)

Publication Number Publication Date
CA1252835A true CA1252835A (fr) 1989-04-18

Family

ID=27097177

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000491877A Expired CA1252835A (fr) 1984-10-01 1985-09-30 Source de courant a transistor a effet de champ

Country Status (8)

Country Link
EP (1) EP0197965B1 (fr)
KR (1) KR880700349A (fr)
CA (1) CA1252835A (fr)
DE (1) DE3581399D1 (fr)
ES (1) ES8700502A1 (fr)
HK (1) HK44692A (fr)
SG (1) SG84291G (fr)
WO (1) WO1986002180A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4868416A (en) * 1987-12-15 1989-09-19 Gazelle Microcircuits, Inc. FET constant reference voltage generator
US5608314A (en) * 1994-04-11 1997-03-04 Advanced Micro Devices, Inc. Incremental output current generation circuit
FR2866724B1 (fr) 2004-02-20 2007-02-16 Atmel Nantes Sa Dispositif de generation d'une tension electrique de reference de precision amelioree et circuit integre electronique correspondant
US10205313B2 (en) 2015-07-24 2019-02-12 Symptote Technologies, LLC Two-transistor devices for protecting circuits from sustained overcurrent
EP3353870B1 (fr) 2015-09-21 2023-06-07 Symptote Technologies LLC Dispositifs à un seul transistor pour protéger des circuits, et conversion de tension autocatalytique à cet effet

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009432A (en) * 1975-09-04 1977-02-22 Rca Corporation Constant current supply
US4051392A (en) * 1976-04-08 1977-09-27 Rca Corporation Circuit for starting current flow in current amplifier circuits

Also Published As

Publication number Publication date
ES547346A0 (es) 1986-10-16
EP0197965B1 (fr) 1991-01-16
KR880700349A (ko) 1988-02-22
SG84291G (en) 1991-11-22
WO1986002180A1 (fr) 1986-04-10
ES8700502A1 (es) 1986-10-16
HK44692A (en) 1992-06-26
DE3581399D1 (de) 1991-02-21
EP0197965A1 (fr) 1986-10-22

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Legal Events

Date Code Title Description
MKEX Expiry