DE2941285C2 - - Google Patents

Info

Publication number
DE2941285C2
DE2941285C2 DE2941285A DE2941285A DE2941285C2 DE 2941285 C2 DE2941285 C2 DE 2941285C2 DE 2941285 A DE2941285 A DE 2941285A DE 2941285 A DE2941285 A DE 2941285A DE 2941285 C2 DE2941285 C2 DE 2941285C2
Authority
DE
Germany
Prior art keywords
current
circuit
equation
constant current
voltage
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
DE2941285A
Other languages
German (de)
English (en)
Other versions
DE2941285A1 (de
Inventor
Kyuichi Tokio/Tokyo Jp Hareyama
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of DE2941285A1 publication Critical patent/DE2941285A1/de
Application granted granted Critical
Publication of DE2941285C2 publication Critical patent/DE2941285C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • H03F3/347—DC amplifiers in which all stages are DC-coupled with semiconductor devices only in integrated circuits
    • 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
    • G05F3/242—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 with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage
    • G05F3/247—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 with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage producing a voltage or current as a predetermined function of the supply voltage

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)
  • Amplifiers (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
DE19792941285 1978-10-11 1979-10-11 Konstantstrom-schaltung Granted DE2941285A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12556178A JPS5552611A (en) 1978-10-11 1978-10-11 Constant-current circuit

Publications (2)

Publication Number Publication Date
DE2941285A1 DE2941285A1 (de) 1980-06-12
DE2941285C2 true DE2941285C2 (en18) 1987-07-16

Family

ID=14913236

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792941285 Granted DE2941285A1 (de) 1978-10-11 1979-10-11 Konstantstrom-schaltung

Country Status (3)

Country Link
US (1) US4270081A (en18)
JP (1) JPS5552611A (en18)
DE (1) DE2941285A1 (en18)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5672530A (en) * 1979-11-19 1981-06-16 Nec Corp Semiconductor circuit
DE3546606C2 (en) * 1985-09-04 1990-03-22 Rainer Dipl.-Ing. 7250 Leonberg De Schroecker Resistance braking device
US4978631A (en) * 1986-07-25 1990-12-18 Siliconix Incorporated Current source with a process selectable temperature coefficient
GB2210745A (en) * 1987-10-08 1989-06-14 Ibm Voltage-controlled current-circuit
JPH0727424B2 (ja) * 1988-12-09 1995-03-29 富士通株式会社 定電流源回路
JP2705169B2 (ja) * 1988-12-17 1998-01-26 日本電気株式会社 定電流供給回路
US5004938A (en) * 1989-03-03 1991-04-02 Acer Incorporated MOS analog NOR amplifier and current source therefor
FR2651881B1 (fr) * 1989-09-12 1994-01-07 Sgs Thomson Microelectronics Sa Circuit de detection de seuil de temperature.
US5994755A (en) * 1991-10-30 1999-11-30 Intersil Corporation Analog-to-digital converter and method of fabrication
US5369309A (en) * 1991-10-30 1994-11-29 Harris Corporation Analog-to-digital converter and method of fabrication
US5682108A (en) * 1995-05-17 1997-10-28 Integrated Device Technology, Inc. High speed level translator
US5661395A (en) * 1995-09-28 1997-08-26 International Business Machines Corporation Active, low Vsd, field effect transistor current source
JP4491405B2 (ja) * 2004-11-15 2010-06-30 三星電子株式会社 抵抗素子のないバイアス電流発生回路
US7436242B1 (en) * 2005-01-13 2008-10-14 National Semiconductor Corporation System and method for providing an input voltage invariant current source
US7518436B1 (en) * 2006-11-08 2009-04-14 National Semiconductor Corporation Current differencing circuit with feedforward clamp
JP5862126B2 (ja) * 2011-09-06 2016-02-16 ソニー株式会社 撮像素子および方法、並びに、撮像装置
WO2014080668A1 (ja) * 2012-11-21 2014-05-30 株式会社村田製作所 高周波増幅回路
US11355164B2 (en) 2020-04-02 2022-06-07 Micron Technology, Inc. Bias current generator circuitry

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813595A (en) * 1973-03-30 1974-05-28 Rca Corp Current source
NL7403202A (nl) * 1974-03-11 1975-09-15 Philips Nv Stroomstabilisatieschakeling.
US3943380A (en) * 1974-07-26 1976-03-09 Rca Corporation Keyed comparator

Also Published As

Publication number Publication date
JPS5552611A (en) 1980-04-17
DE2941285A1 (de) 1980-06-12
US4270081A (en) 1981-05-26
JPS6239446B2 (en18) 1987-08-24

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Legal Events

Date Code Title Description
OAR Request for search filed
OB Request for examination as to novelty
OC Search report available
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee