DE69029838D1 - Eine Verstärkerschaltung - Google Patents

Eine Verstärkerschaltung

Info

Publication number
DE69029838D1
DE69029838D1 DE69029838T DE69029838T DE69029838D1 DE 69029838 D1 DE69029838 D1 DE 69029838D1 DE 69029838 T DE69029838 T DE 69029838T DE 69029838 T DE69029838 T DE 69029838T DE 69029838 D1 DE69029838 D1 DE 69029838D1
Authority
DE
Germany
Prior art keywords
amplifier circuit
amplifier
circuit
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 - Lifetime
Application number
DE69029838T
Other languages
English (en)
Inventor
Osamu Kobayashi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69029838D1 publication Critical patent/DE69029838D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • 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
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/523—Circuit arrangements for protecting such amplifiers for amplifiers using field-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69029838T 1989-11-10 1990-11-09 Eine Verstärkerschaltung Expired - Lifetime DE69029838D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1293728A JP2790496B2 (ja) 1989-11-10 1989-11-10 増幅回路

Publications (1)

Publication Number Publication Date
DE69029838D1 true DE69029838D1 (de) 1997-03-13

Family

ID=17798475

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69029838T Expired - Lifetime DE69029838D1 (de) 1989-11-10 1990-11-09 Eine Verstärkerschaltung

Country Status (5)

Country Link
US (1) US5162749A (de)
EP (1) EP0427557B1 (de)
JP (1) JP2790496B2 (de)
KR (1) KR950003140B1 (de)
DE (1) DE69029838D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5444413A (en) * 1991-09-12 1995-08-22 Kabushiki Kaisha Toshiba Operational amplifier circuit with variable bias driven feedback voltage controller
US5349304A (en) * 1993-02-12 1994-09-20 Sgs-Thomson Microelectronics, Inc. Operational amplifier having multiple positive inputs
JPH0878971A (ja) * 1994-06-30 1996-03-22 Fujitsu Ltd 出力回路および演算増幅器
US5793247A (en) * 1994-12-16 1998-08-11 Sgs-Thomson Microelectronics, Inc. Constant current source with reduced sensitivity to supply voltage and process variation
US5581209A (en) * 1994-12-20 1996-12-03 Sgs-Thomson Microelectronics, Inc. Adjustable current source
US5596297A (en) * 1994-12-20 1997-01-21 Sgs-Thomson Microelectronics, Inc. Output driver circuitry with limited output high voltage
US5576656A (en) * 1994-12-20 1996-11-19 Sgs-Thomson Microelectronics, Inc. Voltage regulator for an output driver with reduced output impedance
US5598122A (en) * 1994-12-20 1997-01-28 Sgs-Thomson Microelectronics, Inc. Voltage reference circuit having a threshold voltage shift
DE19713832C1 (de) * 1997-04-03 1998-11-12 Siemens Ag Eingangsverstärker für Eingangssignale mit steilen Flanken
KR20010106448A (ko) * 1998-08-18 2001-11-29 추후제출 드라이버 회로
DE10128772B4 (de) 2001-06-13 2009-10-15 Infineon Technologies Ag Verfahren und Vorrichtung zur Einschaltstrombegrenzung in Gegentaktverstärkerendstufen
US7486140B2 (en) 2004-04-02 2009-02-03 Fujitsu Limited Differential amplifier
JP4759030B2 (ja) * 2004-04-02 2011-08-31 富士通セミコンダクター株式会社 差動増幅器
JP2007171225A (ja) * 2005-12-19 2007-07-05 Sony Corp 増幅回路、液晶表示装置用駆動回路及び液晶表示装置
EP1978636B1 (de) * 2007-04-06 2010-06-30 STMicroelectronics Design and Application S.R.O. Verstärker mit Ausgangsschutz, insbesondere Operationsverstärker für Audioanwendung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845405A (en) * 1973-05-24 1974-10-29 Rca Corp Composite transistor device with over current protection
NL7309767A (nl) * 1973-07-13 1975-01-15 Philips Nv Versterkerschakeling.
JPS6038047B2 (ja) * 1977-12-09 1985-08-29 日本電気株式会社 トランジスタ回路
NL8302902A (nl) * 1983-08-18 1985-03-18 Philips Nv Transistorbeveiligingsschakeling.
FR2562739B1 (fr) * 1984-04-06 1989-05-26 Efcis Amplificateur a large bande a double contre-reaction de mode commun
JP2594585B2 (ja) * 1987-11-25 1997-03-26 富士通株式会社 演算増幅回路
JPH07113861B2 (ja) * 1988-01-29 1995-12-06 株式会社日立製作所 半導体素子の状態検出及び保護回路とそれを用いたインバータ回路

Also Published As

Publication number Publication date
EP0427557B1 (de) 1997-01-29
KR950003140B1 (ko) 1995-04-01
KR910010834A (ko) 1991-06-29
JPH03154412A (ja) 1991-07-02
US5162749A (en) 1992-11-10
JP2790496B2 (ja) 1998-08-27
EP0427557A1 (de) 1991-05-15

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Legal Events

Date Code Title Description
8332 No legal effect for de