FR2288348A1 - Current supply stabilisation circuit - is field effect transistor controlled for electric clock operation - Google Patents

Current supply stabilisation circuit - is field effect transistor controlled for electric clock operation

Info

Publication number
FR2288348A1
FR2288348A1 FR7434449A FR7434449A FR2288348A1 FR 2288348 A1 FR2288348 A1 FR 2288348A1 FR 7434449 A FR7434449 A FR 7434449A FR 7434449 A FR7434449 A FR 7434449A FR 2288348 A1 FR2288348 A1 FR 2288348A1
Authority
FR
France
Prior art keywords
field effect
effect transistor
transistor
current supply
transistor controlled
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.)
Granted
Application number
FR7434449A
Other languages
French (fr)
Other versions
FR2288348B1 (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.)
Intersil Corp
Original Assignee
Intersil 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 Intersil Inc filed Critical Intersil Inc
Priority to FR7434449A priority Critical patent/FR2288348A1/en
Publication of FR2288348A1 publication Critical patent/FR2288348A1/en
Application granted granted Critical
Publication of FR2288348B1 publication Critical patent/FR2288348B1/fr
Granted 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
    • 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
    • G05F3/267—Current mirrors using both bipolar and field-effect technology

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)
  • Networks Using Active Elements (AREA)

Abstract

A field effect transistor controlled current supply circuit which uses, for stabilisation purposes, so as to be independent of the threshold voltage of the field effect transistor, a further transistor control circuit. The further field effect transistor (16) has preferably a threshold voltage corresponding to that of the initial field effect transistor (13) and is connected between supply terminals (11 and 12) through a resistance (17) connected to its control electrode. A semi-conductor (18) stage effects connection between the further transistor (16) stage and the initial transistor (13) stage. The semi-conductor (18) may be a diode. In this way the control electrode voltage of the initial transistor (13) has the same value as the threshold voltage of the further transistor (16).
FR7434449A 1974-10-14 1974-10-14 Current supply stabilisation circuit - is field effect transistor controlled for electric clock operation Granted FR2288348A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7434449A FR2288348A1 (en) 1974-10-14 1974-10-14 Current supply stabilisation circuit - is field effect transistor controlled for electric clock operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7434449A FR2288348A1 (en) 1974-10-14 1974-10-14 Current supply stabilisation circuit - is field effect transistor controlled for electric clock operation

Publications (2)

Publication Number Publication Date
FR2288348A1 true FR2288348A1 (en) 1976-05-14
FR2288348B1 FR2288348B1 (en) 1979-03-02

Family

ID=9144053

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7434449A Granted FR2288348A1 (en) 1974-10-14 1974-10-14 Current supply stabilisation circuit - is field effect transistor controlled for electric clock operation

Country Status (1)

Country Link
FR (1) FR2288348A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532981A (en) * 1968-01-15 1970-10-06 Ford Motor Co Constant current instrument regulator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532981A (en) * 1968-01-15 1970-10-06 Ford Motor Co Constant current instrument regulator

Also Published As

Publication number Publication date
FR2288348B1 (en) 1979-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse
RC Opposition against decision of lapse
DA Annulment of decision of lapse
ST Notification of lapse