GB1289485A - - Google Patents

Info

Publication number
GB1289485A
GB1289485A GB1289485DA GB1289485A GB 1289485 A GB1289485 A GB 1289485A GB 1289485D A GB1289485D A GB 1289485DA GB 1289485 A GB1289485 A GB 1289485A
Authority
GB
United Kingdom
Prior art keywords
current
transistor
base
desired value
variation
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
Other languages
English (en)
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 filed Critical
Publication of GB1289485A publication Critical patent/GB1289485A/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
    • G05F3/30—Regulators using the difference between the base-emitter voltages of two bipolar transistors operating at different current densities

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Electrical Variables (AREA)
  • Dc-Dc Converters (AREA)
  • Amplifiers (AREA)
GB1289485D 1968-12-18 1969-12-18 Expired GB1289485A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78475868A 1968-12-18 1968-12-18

Publications (1)

Publication Number Publication Date
GB1289485A true GB1289485A (it) 1972-09-20

Family

ID=25133441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1289485D Expired GB1289485A (it) 1968-12-18 1969-12-18

Country Status (4)

Country Link
US (1) US3536986A (it)
DE (1) DE1963341A1 (it)
FR (1) FR2026456A1 (it)
GB (1) GB1289485A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135846A (en) * 1983-02-04 1984-09-05 Standard Telephones Cables Ltd Current splitter

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651347A (en) * 1970-09-28 1972-03-21 Rca Corp Signal translating stage providing direct voltage translation independent of supplied operating potential
US3659121A (en) * 1970-11-16 1972-04-25 Motorola Inc Constant current source
US3775667A (en) * 1973-03-12 1973-11-27 Itt Monolithic integrable series stabilization circuit
US4380728A (en) * 1981-05-19 1983-04-19 General Motors Corporation Circuit for generating a temperature stabilized output signal
IT1210940B (it) * 1982-09-30 1989-09-29 Ates Componenti Elettron Circuito generatore di corrente costante, a bassa tensione di alimentazione, integrabile monoliticamente.
US4600876A (en) * 1985-09-23 1986-07-15 Gte Communication Systems Corp. Integrated bootstrap bias circuit
US4680535A (en) * 1985-10-17 1987-07-14 Harris Corporation Stable current source
WO2002064083A2 (en) * 2000-11-30 2002-08-22 The Children's Medical Center Corporation Synthesis of 3-amino-thalidomide and its enantiomers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1110286B (de) * 1959-09-25 1961-07-06 Siemens Ag Elektronische, als Zweipol ausgebildete Anordnung zur Konstanthaltung eines Gleichstromes
US3310731A (en) * 1963-01-29 1967-03-21 Rca Corp Voltage reference circuit
US3434038A (en) * 1966-05-27 1969-03-18 Carl W Vette Dc current regulator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135846A (en) * 1983-02-04 1984-09-05 Standard Telephones Cables Ltd Current splitter

Also Published As

Publication number Publication date
DE1963341A1 (de) 1970-07-02
FR2026456A1 (it) 1970-09-18
US3536986A (en) 1970-10-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees