EP1712973A3 - Circuit de génération d'un courant de référence - Google Patents

Circuit de génération d'un courant de référence Download PDF

Info

Publication number
EP1712973A3
EP1712973A3 EP06112470A EP06112470A EP1712973A3 EP 1712973 A3 EP1712973 A3 EP 1712973A3 EP 06112470 A EP06112470 A EP 06112470A EP 06112470 A EP06112470 A EP 06112470A EP 1712973 A3 EP1712973 A3 EP 1712973A3
Authority
EP
European Patent Office
Prior art keywords
reference current
circuit generating
series
circuit
branch consisting
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.)
Withdrawn
Application number
EP06112470A
Other languages
German (de)
English (en)
Other versions
EP1712973A2 (fr
Inventor
Jean-Luc Moro
Serge Ramet
Marc Sabut
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Publication of EP1712973A2 publication Critical patent/EP1712973A2/fr
Publication of EP1712973A3 publication Critical patent/EP1712973A3/fr
Withdrawn legal-status Critical Current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
    • G05F3/262—Current mirrors using field-effect transistors 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)
  • Amplifiers (AREA)
  • Control Of Electrical Variables (AREA)

Abstract

L'invention concerne un circuit de génération (40) d'un courant de référence (Ir), comportant, entre deux bornes (2, 3) d'application d'une tension d'alimentation : au moins une première branche constituée d'au moins un premier (MP41) et d'au moins un deuxième transistors (MN41) en série ; au moins une deuxième branche constituée d'au moins un troisième (MP42) et d'au moins un quatrième (MN42) transistors en série avec un circuit (43) à capacité commutée (Cs).
EP06112470A 2005-04-12 2006-04-11 Circuit de génération d'un courant de référence Withdrawn EP1712973A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0550932 2005-04-12

Publications (2)

Publication Number Publication Date
EP1712973A2 EP1712973A2 (fr) 2006-10-18
EP1712973A3 true EP1712973A3 (fr) 2007-03-07

Family

ID=35385766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06112470A Withdrawn EP1712973A3 (fr) 2005-04-12 2006-04-11 Circuit de génération d'un courant de référence

Country Status (2)

Country Link
US (1) US20060226892A1 (fr)
EP (1) EP1712973A3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005311591A (ja) * 2004-04-20 2005-11-04 Matsushita Electric Ind Co Ltd 電流駆動装置
EP2169824A1 (fr) * 2008-09-25 2010-03-31 Moscad Design & Automation Sàrl Circuit amplificateur d'erreurs de condensateur commuté pour la génération d'une référence de courant de précision ou pour une utilisation dans un oscillateur de précision
US8390371B2 (en) * 2010-07-30 2013-03-05 Tialinx, Inc. Tunable transconductance-capacitance filter with coefficients independent of variations in process corner, temperature, and input supply voltage
FR2975246A1 (fr) * 2011-05-09 2012-11-16 St Microelectronics Grenoble 2 Dispositif de generation d'un signal en dents de scie
EP2887176B1 (fr) * 2013-12-20 2022-09-14 The Swatch Group Research and Development Ltd. Circuit électronique à référence de courant PTAT auto-calibrée, et procédé pour sa mise en action
CN104536504B (zh) * 2014-12-12 2016-04-06 长沙景嘉微电子股份有限公司 一种自启动基准电路
CN106055009A (zh) * 2016-06-17 2016-10-26 中国科学院微电子研究所 一种高精度带隙基准电路

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408174A (en) * 1993-06-25 1995-04-18 At&T Corp. Switched capacitor current reference
FR2729762A1 (fr) * 1995-01-23 1996-07-26 Sgs Thomson Microelectronics Circuit de detection de tension compense en technologie et en temperature
US5694032A (en) * 1996-03-19 1997-12-02 International Business Machines Corporation Band gap current reference circuit
US5969513A (en) * 1998-03-24 1999-10-19 Volterra Semiconductor Corporation Switched capacitor current source for use in switching regulators
US20020180512A1 (en) * 2001-06-01 2002-12-05 Kostas Papathanasiou System and method for tuning a VLSI circuit

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4354250A (en) * 1980-08-11 1982-10-12 Gte Automatic Electric Laboratories, Inc. Switched-capacitor source resistor simulation circuit
US4374357A (en) * 1981-07-27 1983-02-15 Motorola, Inc. Switched capacitor precision current source
US4429285A (en) * 1981-07-31 1984-01-31 Rca Corporation Frequency-controlled variable-gain amplifiers
US5621355A (en) * 1995-09-29 1997-04-15 Harris Corporation Sampled data-biasing of continuous time integrated circuit
US6191637B1 (en) * 1999-03-05 2001-02-20 National Semiconductor Corporation Switched capacitor bias circuit for generating a reference signal proportional to absolute temperature, capacitance and clock frequency
US6201435B1 (en) * 1999-08-26 2001-03-13 Taiwan Semiconductor Manufacturing Company Low-power start-up circuit for a reference voltage generator
US6323800B1 (en) * 2000-02-17 2001-11-27 Advanced Micro Devices, Inc. Pipeline analog to digital (a/d) converter with lengthened hold operation of a first stage
US6407623B1 (en) * 2001-01-31 2002-06-18 Qualcomm Incorporated Bias circuit for maintaining a constant value of transconductance divided by load capacitance
FR2825806B1 (fr) * 2001-06-08 2003-09-12 St Microelectronics Sa Circuit de polarisation a point de fonctionnement stable en tension et en temperature
US7006813B2 (en) * 2001-08-15 2006-02-28 Texas Instruments Incorporated Efficient charge transfer using a switched capacitor resistor
US7019576B1 (en) * 2003-03-24 2006-03-28 Cypress Semiconductor Corporation Delay circuit that scales with clock cycle time
US6784725B1 (en) * 2003-04-18 2004-08-31 Freescale Semiconductor, Inc. Switched capacitor current reference circuit
US7084698B2 (en) * 2004-10-14 2006-08-01 Freescale Semiconductor, Inc. Band-gap reference circuit
US7372242B2 (en) * 2004-12-23 2008-05-13 Silicon Laboratories, Inc. System and method for generating a reference voltage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408174A (en) * 1993-06-25 1995-04-18 At&T Corp. Switched capacitor current reference
FR2729762A1 (fr) * 1995-01-23 1996-07-26 Sgs Thomson Microelectronics Circuit de detection de tension compense en technologie et en temperature
US5694032A (en) * 1996-03-19 1997-12-02 International Business Machines Corporation Band gap current reference circuit
US5969513A (en) * 1998-03-24 1999-10-19 Volterra Semiconductor Corporation Switched capacitor current source for use in switching regulators
US20020180512A1 (en) * 2001-06-01 2002-12-05 Kostas Papathanasiou System and method for tuning a VLSI circuit

Also Published As

Publication number Publication date
US20060226892A1 (en) 2006-10-12
EP1712973A2 (fr) 2006-10-18

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