GB2034939B - Integrated constant current source - Google Patents

Integrated constant current source

Info

Publication number
GB2034939B
GB2034939B GB7932366A GB7932366A GB2034939B GB 2034939 B GB2034939 B GB 2034939B GB 7932366 A GB7932366 A GB 7932366A GB 7932366 A GB7932366 A GB 7932366A GB 2034939 B GB2034939 B GB 2034939B
Authority
GB
United Kingdom
Prior art keywords
current source
constant current
integrated constant
integrated
source
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
GB7932366A
Other versions
GB2034939A (en
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to GB7932366A priority Critical patent/GB2034939B/en
Publication of GB2034939A publication Critical patent/GB2034939A/en
Application granted granted Critical
Publication of GB2034939B publication Critical patent/GB2034939B/en
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
    • G05F3/24—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 field-effect type only

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)
GB7932366A 1979-09-18 1979-09-18 Integrated constant current source Expired GB2034939B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7932366A GB2034939B (en) 1979-09-18 1979-09-18 Integrated constant current source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7932366A GB2034939B (en) 1979-09-18 1979-09-18 Integrated constant current source

Publications (2)

Publication Number Publication Date
GB2034939A GB2034939A (en) 1980-06-11
GB2034939B true GB2034939B (en) 1983-01-19

Family

ID=10507918

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7932366A Expired GB2034939B (en) 1979-09-18 1979-09-18 Integrated constant current source

Country Status (1)

Country Link
GB (1) GB2034939B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05315852A (en) * 1992-05-12 1993-11-26 Fuji Electric Co Ltd Current limit circuit and constant voltage source for the same
GB9301934D0 (en) * 1993-02-01 1993-03-17 Immos Limited Transistor switching
DE4329867C1 (en) * 1993-09-03 1994-09-15 Siemens Ag Current mirror

Also Published As

Publication number Publication date
GB2034939A (en) 1980-06-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee