HK1018517A1 - Reference circuit and method - Google Patents

Reference circuit and method

Info

Publication number
HK1018517A1
HK1018517A1 HK99103430A HK99103430A HK1018517A1 HK 1018517 A1 HK1018517 A1 HK 1018517A1 HK 99103430 A HK99103430 A HK 99103430A HK 99103430 A HK99103430 A HK 99103430A HK 1018517 A1 HK1018517 A1 HK 1018517A1
Authority
HK
Hong Kong
Prior art keywords
reference circuit
circuit
Prior art date
Application number
HK99103430A
Other languages
English (en)
Inventor
Vladimir Koifman
Yachin Afek
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of HK1018517A1 publication Critical patent/HK1018517A1/xx

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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S323/00—Electricity: power supply or regulation systems
    • Y10S323/907—Temperature compensation of semiconductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Electrical Variables (AREA)
  • Logic Circuits (AREA)
  • Semiconductor Integrated Circuits (AREA)
HK99103430A 1997-08-15 1999-08-09 Reference circuit and method HK1018517A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/911,239 US5910726A (en) 1997-08-15 1997-08-15 Reference circuit and method

Publications (1)

Publication Number Publication Date
HK1018517A1 true HK1018517A1 (en) 1999-12-24

Family

ID=25429959

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99103430A HK1018517A1 (en) 1997-08-15 1999-08-09 Reference circuit and method

Country Status (8)

Country Link
US (1) US5910726A (ko)
EP (1) EP0898215B1 (ko)
JP (1) JP4388144B2 (ko)
KR (1) KR100682818B1 (ko)
CN (1) CN1119734C (ko)
DE (1) DE69831372T2 (ko)
HK (1) HK1018517A1 (ko)
TW (1) TW398069B (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6121824A (en) * 1998-12-30 2000-09-19 Ion E. Opris Series resistance compensation in translinear circuits
US6133719A (en) * 1999-10-14 2000-10-17 Cirrus Logic, Inc. Robust start-up circuit for CMOS bandgap reference
US6255807B1 (en) * 2000-10-18 2001-07-03 Texas Instruments Tucson Corporation Bandgap reference curvature compensation circuit
US7524108B2 (en) 2003-05-20 2009-04-28 Toshiba American Electronic Components, Inc. Thermal sensing circuits using bandgap voltage reference generators without trimming circuitry
US7253597B2 (en) * 2004-03-04 2007-08-07 Analog Devices, Inc. Curvature corrected bandgap reference circuit and method
JP4808069B2 (ja) 2006-05-01 2011-11-02 富士通セミコンダクター株式会社 基準電圧発生回路
JP2009003835A (ja) * 2007-06-25 2009-01-08 Oki Electric Ind Co Ltd 基準電流発生装置
JP4990049B2 (ja) * 2007-07-02 2012-08-01 株式会社リコー 温度検出回路
US8232784B2 (en) 2008-04-01 2012-07-31 O2Micro, Inc Circuits and methods for current sensing
CN104253587B (zh) * 2013-06-27 2017-10-20 上海东软载波微电子有限公司 晶体振荡器
JP6765119B2 (ja) * 2017-02-09 2020-10-07 リコー電子デバイス株式会社 基準電圧発生回路及び方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375595A (en) * 1981-02-03 1983-03-01 Motorola, Inc. Switched capacitor temperature independent bandgap reference
JPS60247719A (ja) * 1984-05-23 1985-12-07 Nec Corp バンドギヤツプ基準電圧発生器
JPH0690655B2 (ja) * 1987-12-18 1994-11-14 株式会社東芝 中間電位発生回路
IT1234838B (it) * 1989-02-21 1992-05-29 Saverio Voltattorni Dispositivo per evitare lo sganciamento e la sovrasterzatura degli autoarticolati
US5132556A (en) * 1989-11-17 1992-07-21 Samsung Semiconductor, Inc. Bandgap voltage reference using bipolar parasitic transistors and mosfet's in the current source
IT1246598B (it) * 1991-04-12 1994-11-24 Sgs Thomson Microelectronics Circuito di riferimento di tensione a band-gap campionato
US5336986A (en) * 1992-02-07 1994-08-09 Crosspoint Solutions, Inc. Voltage regulator for field programmable gate arrays
JPH0643956A (ja) * 1992-07-06 1994-02-18 Nec Corp 基準電圧発生回路
US5352973A (en) * 1993-01-13 1994-10-04 Analog Devices, Inc. Temperature compensation bandgap voltage reference and method
US5424628A (en) * 1993-04-30 1995-06-13 Texas Instruments Incorporated Bandgap reference with compensation via current squaring
EP0640904B1 (en) * 1993-08-30 2000-10-11 Motorola, Inc. Curvature correction circuit for a voltage reference

Also Published As

Publication number Publication date
KR100682818B1 (ko) 2007-07-09
TW398069B (en) 2000-07-11
EP0898215A3 (en) 1999-05-12
DE69831372D1 (de) 2005-10-06
EP0898215B1 (en) 2005-08-31
EP0898215A2 (en) 1999-02-24
DE69831372T2 (de) 2006-03-09
CN1119734C (zh) 2003-08-27
US5910726A (en) 1999-06-08
KR19990023592A (ko) 1999-03-25
JP4388144B2 (ja) 2009-12-24
JPH11134048A (ja) 1999-05-21
CN1208873A (zh) 1999-02-24

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Legal Events

Date Code Title Description
PF Patent in force
AS Change of ownership

Owner name: FREESCALE SEMICONDUCTOR, INC.

Free format text: FORMER OWNER(S): MOTOROLA, INC

PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080814