ES8308458A1 - Un circuito amplificador que comprende un paso de entrada diferencial con dos ramas similares. - Google Patents

Un circuito amplificador que comprende un paso de entrada diferencial con dos ramas similares.

Info

Publication number
ES8308458A1
ES8308458A1 ES517550A ES517550A ES8308458A1 ES 8308458 A1 ES8308458 A1 ES 8308458A1 ES 517550 A ES517550 A ES 517550A ES 517550 A ES517550 A ES 517550A ES 8308458 A1 ES8308458 A1 ES 8308458A1
Authority
ES
Spain
Prior art keywords
input stage
amplifier circuit
symmetric input
branch
differential amplifier
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
ES517550A
Other languages
English (en)
Other versions
ES517550A0 (es
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES517550A0 publication Critical patent/ES517550A0/es
Publication of ES8308458A1 publication Critical patent/ES8308458A1/es
Expired 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
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
    • H03F3/45968—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction
    • H03F3/45991—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction by using balancing means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
    • H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
    • H01L27/082—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including bipolar components only
    • H01L27/0823—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including bipolar components only including vertical bipolar transistors only
    • H01L27/0825—Combination of vertical direct transistors of the same conductivity type having different characteristics,(e.g. Darlington transistors)
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45085—Long tailed pairs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/4517—Complementary non-cross coupled types
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45484—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with bipolar transistors as the active amplifying circuit
    • H03F3/45596—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with bipolar transistors as the active amplifying circuit by offset reduction
    • H03F3/45618—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with bipolar transistors as the active amplifying circuit by offset reduction by using balancing means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45596—Indexing scheme relating to differential amplifiers the IC comprising one or more biasing resistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45702—Indexing scheme relating to differential amplifiers the LC comprising two resistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Amplifiers (AREA)

Abstract

CIRCUITO AMPLIFICADOR QUE COMPRENDE UN PASO DE ENTRADA DIFERENCIAL CON DOS RAMAS SIMILARES, EN LAS QUE CIRCULA UNA CORRIENTE DE ESTADO DE REPOSO ALIMENTADA POR UNA FUENTE DE TENSION CONTINUA A TRAVES DE UNA RESISTENCIA EN SERIE. CONSTA DE DOS TRANSISTORES (11, 12) CUYOS EMISORES ESTAN INTERCONECTADOS Y CUYAS CONEXIONES DE BASE FORMAN LA ENTRADA NO INVERSORA (2) Y LA ENTRADA INVERSORA (3), RESPECTIVAMENTE; DE UNA FUENTE DE CORRIENTE CONTINUA PREVISTA EN LA LINEA DE EMISOR COMUN DE LOS TRANSISTORES BIPOLARES (11, 12), CUYA FUENTE COMPRENDE EL TRAYECTO COLECTOR-EMISOR DE UN TRANSISTOR (13) CON UNA RESISTENCIA DE EMISOR (14), UNO DE CUYOS EXTREMOS ESTA CONECTADO A MASA; DE UNA DISPOSICION EN SERIE DE DOS DIODOS (15, 16), POLARIZADOS EN SENTIDO DIRECTO, QUE ESTA CONECTADA A LA BASE DEL TRANSISTOR (13) CON UNA RESISTENCIA DE EMISOR (14); Y DE DOS RESISTENCIAS (18, 19) SITUADAS EN LA ZONA DE ALIMENTACION DE LA FUENTE DE CORRIENTE CONTINUA.
ES517550A 1981-11-23 1982-11-22 Un circuito amplificador que comprende un paso de entrada diferencial con dos ramas similares. Expired ES8308458A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813146357 DE3146357A1 (de) 1981-11-23 1981-11-23 Verstaerkerschaltung mit einer symmetrisch aufgebauten eingangsstufe

Publications (2)

Publication Number Publication Date
ES517550A0 ES517550A0 (es) 1983-08-16
ES8308458A1 true ES8308458A1 (es) 1983-08-16

Family

ID=6146991

Family Applications (1)

Application Number Title Priority Date Filing Date
ES517550A Expired ES8308458A1 (es) 1981-11-23 1982-11-22 Un circuito amplificador que comprende un paso de entrada diferencial con dos ramas similares.

Country Status (4)

Country Link
EP (1) EP0080242A1 (es)
JP (1) JPS5896408A (es)
DE (1) DE3146357A1 (es)
ES (1) ES8308458A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19527384C2 (de) * 1995-07-27 1997-08-21 Zentr Mikroelekt Dresden Gmbh Schaltungsanordnung zur Analogsignalverarbeitung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761787A (en) * 1971-09-01 1973-09-25 Motorola Inc Method and apparatus for adjusting transistor current
US4064527A (en) * 1976-09-20 1977-12-20 Intersil, Inc. Integrated circuit having a buried load device
US4207536A (en) * 1978-03-02 1980-06-10 Michigan Technological University Dual-adjustment balance circuit for operational amplifiers
US4210875A (en) * 1978-12-29 1980-07-01 Harris Corporation Integrated amplifier with adjustable offset voltage

Also Published As

Publication number Publication date
EP0080242A1 (de) 1983-06-01
DE3146357A1 (de) 1983-06-01
ES517550A0 (es) 1983-08-16
JPS5896408A (ja) 1983-06-08

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20040601