FR2809244B1 - Circuit d'amplificateur operationnel - Google Patents

Circuit d'amplificateur operationnel

Info

Publication number
FR2809244B1
FR2809244B1 FR0103594A FR0103594A FR2809244B1 FR 2809244 B1 FR2809244 B1 FR 2809244B1 FR 0103594 A FR0103594 A FR 0103594A FR 0103594 A FR0103594 A FR 0103594A FR 2809244 B1 FR2809244 B1 FR 2809244B1
Authority
FR
France
Prior art keywords
current
transistors
transistor
bias
differential pair
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
FR0103594A
Other languages
English (en)
Other versions
FR2809244A1 (fr
Inventor
Hisao Suzuki
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
Priority claimed from JP2000142960A external-priority patent/JP4429475B2/ja
Priority claimed from JP2000230497A external-priority patent/JP4627106B2/ja
Priority claimed from JP2000230498A external-priority patent/JP3863355B2/ja
Priority claimed from JP2000230995A external-priority patent/JP4485665B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2809244A1 publication Critical patent/FR2809244A1/fr
Application granted granted Critical
Publication of FR2809244B1 publication Critical patent/FR2809244B1/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
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
    • H03F3/265—Push-pull amplifiers; Phase-splitters therefor with field-effect transistors 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
    • 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
    • H03F3/45695—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 feedforward means
    • H03F3/45699—Measuring at the input circuit of the differential amplifier
    • H03F3/45717—Controlling the loading 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
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
    • H03F3/3022—CMOS common source output SEPP amplifiers
    • H03F3/3023—CMOS common source output SEPP amplifiers with asymmetrical driving of the end stage
    • H03F3/3027—CMOS common source output SEPP amplifiers with asymmetrical driving of the end stage using a common source driving stage, i.e. inverting stage
    • 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
    • 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
    • H03F3/4521—Complementary long tailed pairs having parallel inputs and being supplied in parallel
    • 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
    • H03F3/4521—Complementary long tailed pairs having parallel inputs and being supplied in parallel
    • H03F3/45219—Folded cascode stages
    • 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
    • H03F3/45237—Complementary long tailed pairs having parallel inputs and being supplied in series
    • 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
    • H03F3/45695—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 feedforward means
    • H03F3/45699—Measuring at the input 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
    • H03F3/45479—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
    • H03F3/45695—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 feedforward means
    • H03F3/45699—Measuring at the input circuit of the differential amplifier
    • H03F3/45708—Controlling the common source circuit of the differential amplifier
    • 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
    • H03F2203/45508—Indexing scheme relating to differential amplifiers the CSC comprising a voltage generating circuit as bias circuit for the CSC

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR0103594A 2000-05-16 2001-03-16 Circuit d'amplificateur operationnel Expired - Fee Related FR2809244B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000142960A JP4429475B2 (ja) 2000-05-16 2000-05-16 オペアンプ回路
JP2000230497A JP4627106B2 (ja) 2000-07-31 2000-07-31 オペアンプ回路、電流出力回路及び半導体装置
JP2000230498A JP3863355B2 (ja) 2000-07-31 2000-07-31 オペアンプ回路のバイアス電流制御方法、オペアンプ回路及び半導体装置
JP2000230995A JP4485665B2 (ja) 2000-07-31 2000-07-31 電流出力回路、オペアンプ回路及び半導体装置

Publications (2)

Publication Number Publication Date
FR2809244A1 FR2809244A1 (fr) 2001-11-23
FR2809244B1 true FR2809244B1 (fr) 2004-11-26

Family

ID=27481294

Family Applications (4)

Application Number Title Priority Date Filing Date
FR0103594A Expired - Fee Related FR2809244B1 (fr) 2000-05-16 2001-03-16 Circuit d'amplificateur operationnel
FR0114593A Expired - Fee Related FR2814554B1 (fr) 2000-05-16 2001-11-12 Circuit d'amplificateur operationnel
FR0114590A Expired - Fee Related FR2814609B1 (fr) 2000-05-16 2001-11-12 Circuit d'amplificateur operationnel
FR0114592A Expired - Fee Related FR2814608B1 (fr) 2000-05-16 2001-11-12 Circuit d'amplificateur operationnel

Family Applications After (3)

Application Number Title Priority Date Filing Date
FR0114593A Expired - Fee Related FR2814554B1 (fr) 2000-05-16 2001-11-12 Circuit d'amplificateur operationnel
FR0114590A Expired - Fee Related FR2814609B1 (fr) 2000-05-16 2001-11-12 Circuit d'amplificateur operationnel
FR0114592A Expired - Fee Related FR2814608B1 (fr) 2000-05-16 2001-11-12 Circuit d'amplificateur operationnel

Country Status (3)

Country Link
US (3) US6605993B2 (fr)
KR (3) KR100731226B1 (fr)
FR (4) FR2809244B1 (fr)

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Also Published As

Publication number Publication date
FR2814608B1 (fr) 2005-06-24
FR2814609A1 (fr) 2002-03-29
FR2814609B1 (fr) 2005-09-30
FR2814608A1 (fr) 2002-03-29
US20010052818A1 (en) 2001-12-20
FR2814554B1 (fr) 2005-05-27
FR2809244A1 (fr) 2001-11-23
KR20010105154A (ko) 2001-11-28
FR2814554A1 (fr) 2002-03-29
US20030206060A1 (en) 2003-11-06
KR20060113624A (ko) 2006-11-02
KR100742803B1 (ko) 2007-07-25
US6794940B2 (en) 2004-09-21
KR100731226B1 (ko) 2007-06-22
US6919766B2 (en) 2005-07-19
US6605993B2 (en) 2003-08-12
US20030206059A1 (en) 2003-11-06
KR100719419B1 (ko) 2007-05-18
KR20070032987A (ko) 2007-03-23

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