DE68917254T2 - Geräuschgeschützte Stromspiegelschaltung. - Google Patents

Geräuschgeschützte Stromspiegelschaltung.

Info

Publication number
DE68917254T2
DE68917254T2 DE68917254T DE68917254T DE68917254T2 DE 68917254 T2 DE68917254 T2 DE 68917254T2 DE 68917254 T DE68917254 T DE 68917254T DE 68917254 T DE68917254 T DE 68917254T DE 68917254 T2 DE68917254 T2 DE 68917254T2
Authority
DE
Germany
Prior art keywords
noise
current mirror
mirror circuit
protected current
protected
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 - Fee Related
Application number
DE68917254T
Other languages
English (en)
Other versions
DE68917254D1 (de
Inventor
Mark W Gose
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.)
Delco Electronics LLC
Original Assignee
Delco Electronics LLC
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 Delco Electronics LLC filed Critical Delco Electronics LLC
Application granted granted Critical
Publication of DE68917254D1 publication Critical patent/DE68917254D1/de
Publication of DE68917254T2 publication Critical patent/DE68917254T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03F3/3432—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with bipolar transistors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/462—Regulating voltage or current wherein the variable actually regulated by the final control device is dc as a function of the requirements of the load, e.g. delay, temperature, specific voltage/current characteristic
    • G05F1/467—Sources with noise compensation
    • 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
    • G05F3/265—Current mirrors using bipolar transistors only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
DE68917254T 1988-10-24 1989-09-14 Geräuschgeschützte Stromspiegelschaltung. Expired - Fee Related DE68917254T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/261,550 US4866399A (en) 1988-10-24 1988-10-24 Noise immune current mirror

Publications (2)

Publication Number Publication Date
DE68917254D1 DE68917254D1 (de) 1994-09-08
DE68917254T2 true DE68917254T2 (de) 1994-11-24

Family

ID=22993826

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68917254T Expired - Fee Related DE68917254T2 (de) 1988-10-24 1989-09-14 Geräuschgeschützte Stromspiegelschaltung.

Country Status (3)

Country Link
US (1) US4866399A (de)
EP (1) EP0366253B1 (de)
DE (1) DE68917254T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5099205A (en) * 1990-11-29 1992-03-24 Brooktree Corporation Balanced cascode current mirror
DE4111584A1 (de) * 1991-04-10 1992-10-15 Thomson Brandt Gmbh Schaltung zur generierung sehr kleiner stroeme
DE4122029C1 (de) * 1991-07-03 1992-11-26 Texas Instruments Deutschland Gmbh, 8050 Freising, De
DE4136605A1 (de) * 1991-11-07 1993-05-13 Philips Patentverwaltung Verstaerker
GB2330262A (en) * 1997-10-10 1999-04-14 Motorola Ltd Compensating for power line noise in VCO input circuit
KR100468360B1 (ko) * 2002-07-25 2005-01-27 인티그런트 테크놀로지즈(주) 수신 장치의 선형성 개선을 위한 하모닉 회로
CN102289244B (zh) * 2011-06-21 2013-09-25 西安电子科技大学 电流求差型复合补偿基准电流源
KR102060204B1 (ko) * 2013-06-28 2019-12-27 솔루엠 (허페이) 세미컨덕터 씨오., 엘티디. 바이어스 전류의 가변을 이용한 스위칭 방식 전원 장치
CN103837732B (zh) * 2014-03-21 2017-07-18 上海富欣智能交通控制有限公司 无源电流检测电路
US9831892B1 (en) * 2016-07-12 2017-11-28 Mediatek Inc. Noise reduction circuit and associated delta-sigma modulator
US10848113B2 (en) * 2017-10-13 2020-11-24 Lim Nguyen High performance folded cascode current source with dual mirrors current feedback

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886435A (en) * 1973-08-03 1975-05-27 Rca Corp V' be 'voltage voltage source temperature compensation network
US3925718A (en) * 1974-11-26 1975-12-09 Rca Corp Current mirror and degenerative amplifier
US4103249A (en) * 1977-10-31 1978-07-25 Gte Sylvania Incorporated Pnp current mirror
NL8001492A (nl) * 1980-03-13 1981-10-01 Philips Nv Stroomspiegelschakeling.
US4435678A (en) * 1982-02-26 1984-03-06 Motorola, Inc. Low voltage precision current source
US4413226A (en) * 1982-02-26 1983-11-01 Motorola, Inc. Voltage regulator circuit
JPS5990412A (ja) * 1982-11-15 1984-05-24 Nec Corp 双方向性定電流駆動回路
DE3476476D1 (en) * 1983-08-31 1989-03-02 Toshiba Kk A constant current source circuit
NL193545C (nl) * 1983-12-29 2000-01-04 Mitsubishi Electric Corp Constante stroom opwekkende schakeling.
US4546307A (en) * 1984-01-03 1985-10-08 National Semiconductor Corporation NPN Transistor current mirror circuit

Also Published As

Publication number Publication date
EP0366253A1 (de) 1990-05-02
DE68917254D1 (de) 1994-09-08
EP0366253B1 (de) 1994-08-03
US4866399A (en) 1989-09-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee