ES401276A1 - Un dispositivo de circuito electrico para un amplificador diferencial. - Google Patents

Un dispositivo de circuito electrico para un amplificador diferencial.

Info

Publication number
ES401276A1
ES401276A1 ES401276A ES401276A ES401276A1 ES 401276 A1 ES401276 A1 ES 401276A1 ES 401276 A ES401276 A ES 401276A ES 401276 A ES401276 A ES 401276A ES 401276 A1 ES401276 A1 ES 401276A1
Authority
ES
Spain
Prior art keywords
pair
transistor
current
base
transistors
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
ES401276A
Other languages
English (en)
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of ES401276A1 publication Critical patent/ES401276A1/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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
    • 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
    • H03F2203/45024—Indexing scheme relating to differential amplifiers the differential amplifier amplifying transistors are cascode coupled transistors
    • 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
    • H03F2203/45031—Indexing scheme relating to differential amplifiers the differential amplifier amplifying transistors are compositions of multiple transistors
    • 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
    • H03F2203/45178—Indexing scheme relating to differential amplifiers the differential amplifier contains one or more extra resistors in the active load circuit
    • 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
    • H03F2203/45188—Indexing scheme relating to differential amplifiers the differential amplifier contains one or more current sources in the load

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

Un dispositivo de circuito eléctrico para un amplificador diferencial , que incluye primera y segunda vías de corriente conectadas a una primera fuente de corriente que es portadora de la corriente de fuente, teniendo cada una de las vías un electrodo de control para controlar la división de la corriente entre dichas vías en respuesta a señales de diferencia aplicadas entre los electrodos de control, medios para el control de la conducción de dichas primera y segunda vías de corriente, que comprenden un primer y segundo transistores conectados en sus emisores a una segunda fuente de corriente estando conectada la base del primer transistor al electrodo de control de la primera vías y estando conectada la base del segundo transistor al electrodo de control de la segunda vía de corriente, en combinación además con, un tercer transistor que tiene su base conectada en común con el colector del primer transistor en un primer terminal de entrada y que tiene su emisor conectado a la base del primer transistor y al electrodo de control de la primera vía y un cuatro transistor que tiene su base conectada en común con el colector del segundo transistor en un segundo terminal de entrada y que tiene su emisor conectado a la base del segundo transistor y al electrodo de control de la segunda vía con lo cual dichos primer , segundo , tercero y cuarto transistores controlan la subdivisión de corriente en la primera y segunda vías de corriente en respuesta a la señal aplicada entre el primer y segundo terminales de entrada.
ES401276A 1971-04-05 1972-03-28 Un dispositivo de circuito electrico para un amplificador diferencial. Expired ES401276A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00130974A US3790897A (en) 1971-04-05 1971-04-05 Differential amplifier and bias circuit

Publications (1)

Publication Number Publication Date
ES401276A1 true ES401276A1 (es) 1975-10-01

Family

ID=22447286

Family Applications (1)

Application Number Title Priority Date Filing Date
ES401276A Expired ES401276A1 (es) 1971-04-05 1972-03-28 Un dispositivo de circuito electrico para un amplificador diferencial.

Country Status (12)

Country Link
US (1) US3790897A (es)
JP (1) JPS5147510B1 (es)
AU (1) AU462921B2 (es)
CA (1) CA974610A (es)
DE (2) DE2216409C2 (es)
ES (1) ES401276A1 (es)
FR (1) FR2136189A5 (es)
GB (1) GB1347182A (es)
IT (1) IT951159B (es)
MY (1) MY7500032A (es)
NL (1) NL187186C (es)
SE (1) SE370477B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625815B2 (es) * 1974-02-14 1981-06-15
JPS5334321A (en) * 1976-09-10 1978-03-30 Taisei Corp Method of outer heat insulating construction of precast concrete block
CA1134463A (en) * 1978-10-13 1982-10-26 Kyoichi Murakami Circuit for converting single-ended input signals to a pair of differential output signals
US4260955A (en) * 1979-07-12 1981-04-07 Rca Corporation Current amplifier with regenerative latch switch
JPS5713804A (en) * 1980-06-27 1982-01-23 Mitsubishi Electric Corp Automatic level adjusting circuit
GB2155264A (en) * 1984-03-02 1985-09-18 Standard Telephones Cables Ltd Amplifier circuits for radio receivers
DE3477284D1 (de) * 1984-06-25 1989-04-20 Ibm Four quadrant multiplier
US4639684A (en) * 1984-11-06 1987-01-27 Harris Corporation Differential input stage for the realization of low noise and high precision bipolar transistor amplifiers
US5006815A (en) * 1988-10-26 1991-04-09 U.S. Philips Corporation Linear-gain amplifier arrangement
DE69110363T2 (de) * 1990-07-17 1995-10-26 Nippon Electric Co Differenzverstärkerschaltung.
JP3188298B2 (ja) * 1991-12-28 2001-07-16 ローム株式会社 メンバーシップ関数発生装置
GB2284719B (en) * 1993-12-13 1998-03-11 Nec Corp Differential circuit capable of accomplishing a desirable characteritic
US6373338B1 (en) * 2000-05-12 2002-04-16 National Semiconductor Corporation Differential current mirror system and methods
US6956410B2 (en) * 2003-11-13 2005-10-18 Delphi Technologies, Inc. Automotive ignition system with battery dependent over-dwell protection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6707080A (es) * 1967-05-22 1968-11-25
US3548333A (en) * 1968-01-12 1970-12-15 Ibm Differential amplifier
NL6911358A (es) * 1969-07-23 1971-01-26
BE756912A (fr) * 1969-10-01 1971-03-01 Rca Corp Etage de transmission de signaux
US3626825A (en) * 1970-05-28 1971-12-14 Texas Instruments Inc Radiation-sensitive camera shutter and aperture control systems

Also Published As

Publication number Publication date
SE370477B (es) 1974-10-14
FR2136189A5 (es) 1972-12-22
MY7500032A (en) 1975-12-31
AU462921B2 (en) 1975-06-24
DE2216409A1 (de) 1972-10-12
AU4070272A (en) 1973-10-11
CA974610A (en) 1975-09-16
NL187186C (nl) 1991-06-17
GB1347182A (en) 1974-02-27
JPS5147510B1 (es) 1976-12-15
NL187186B (nl) 1991-01-16
DE2265734C1 (de) 1986-03-06
IT951159B (it) 1973-06-30
US3790897A (en) 1974-02-05
DE2216409C2 (de) 1982-05-19
NL7204467A (es) 1972-10-09

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