FR2756436B1 - Amplificateur transconducteur - Google Patents

Amplificateur transconducteur

Info

Publication number
FR2756436B1
FR2756436B1 FR9614822A FR9614822A FR2756436B1 FR 2756436 B1 FR2756436 B1 FR 2756436B1 FR 9614822 A FR9614822 A FR 9614822A FR 9614822 A FR9614822 A FR 9614822A FR 2756436 B1 FR2756436 B1 FR 2756436B1
Authority
FR
France
Prior art keywords
transconductive amplifier
transconductive
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 - Fee Related
Application number
FR9614822A
Other languages
English (en)
Other versions
FR2756436A1 (fr
Inventor
Serge Ramet
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.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics SA
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 SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Priority to FR9614822A priority Critical patent/FR2756436B1/fr
Publication of FR2756436A1 publication Critical patent/FR2756436A1/fr
Application granted granted Critical
Publication of FR2756436B1 publication Critical patent/FR2756436B1/fr
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
    • H03F3/45—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
    • H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
    • H03F3/45636—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by using feedback means
    • H03F3/45641—Measuring at the loading circuit of the differential amplifier
    • H03F3/45654—Controlling the active amplifying circuit of the differential amplifier
    • 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
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45197—Pl types
    • H03F3/45206—Folded cascode stages
    • 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
    • H03F2203/45296—Indexing scheme relating to differential amplifiers the AAC comprising one or more discrete capacitive elements, e.g. a transistor coupled as capacitor
    • 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
    • H03F2203/45318—Indexing scheme relating to differential amplifiers the AAC comprising a cross coupling circuit, e.g. two extra transistors cross coupled
    • 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
    • H03F2203/45322—One or more current sources are added to the AAC
    • 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
    • H03F2203/45352—Indexing scheme relating to differential amplifiers the AAC comprising a combination of a plurality of transistors, e.g. Darlington 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
    • H03F2203/45408—Indexing scheme relating to differential amplifiers the CMCL comprising a short circuited differential output of a dif amp as an addition 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
    • H03F2203/45574—Indexing scheme relating to differential amplifiers the IC comprising four or more input leads connected to four or more AAC-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
    • H03F2203/45631—Indexing scheme relating to differential amplifiers the LC comprising one or more capacitors, e.g. coupling capacitors
FR9614822A 1996-11-27 1996-11-27 Amplificateur transconducteur Expired - Fee Related FR2756436B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9614822A FR2756436B1 (fr) 1996-11-27 1996-11-27 Amplificateur transconducteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9614822A FR2756436B1 (fr) 1996-11-27 1996-11-27 Amplificateur transconducteur

Publications (2)

Publication Number Publication Date
FR2756436A1 FR2756436A1 (fr) 1998-05-29
FR2756436B1 true FR2756436B1 (fr) 1999-01-08

Family

ID=9498286

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9614822A Expired - Fee Related FR2756436B1 (fr) 1996-11-27 1996-11-27 Amplificateur transconducteur

Country Status (1)

Country Link
FR (1) FR2756436B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2950443C2 (de) * 1979-12-14 1986-02-20 TRW Repa GmbH, 7077 Alfdorf Gurtband-Hemmvorrichtung
US8344803B2 (en) 2007-11-09 2013-01-01 Hittite Microwave Norway As Variable gain amplifier
EP2218176B1 (fr) * 2007-11-12 2013-07-03 Hittite Microwave Norway AS Amplificateur à faible bruit
WO2009141696A1 (fr) 2008-05-19 2009-11-26 Artic Silicon Devices, As Amplificateur à gain variable à entrées multiples

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8513329D0 (en) * 1985-05-28 1985-07-03 Secr Defence Transconductors
FR2687865A1 (fr) * 1992-02-20 1993-08-27 Sgs Thomson Microelectronics Transconducteur de precision et amplificateur a gain variable l'incorporant.
KR960011407B1 (ko) * 1994-04-26 1996-08-22 한국전기통신공사 저전압 고속동작의 씨모스 (cmos) 연산증폭기

Also Published As

Publication number Publication date
FR2756436A1 (fr) 1998-05-29

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060731