ITMI20040355A1 - Stadio amplificatore d'ingresso in classe ab con corrente di polarizzazione controllata - Google Patents

Stadio amplificatore d'ingresso in classe ab con corrente di polarizzazione controllata

Info

Publication number
ITMI20040355A1
ITMI20040355A1 IT000355A ITMI20040355A ITMI20040355A1 IT MI20040355 A1 ITMI20040355 A1 IT MI20040355A1 IT 000355 A IT000355 A IT 000355A IT MI20040355 A ITMI20040355 A IT MI20040355A IT MI20040355 A1 ITMI20040355 A1 IT MI20040355A1
Authority
IT
Italy
Prior art keywords
class
amplifier stage
input amplifier
polarization current
controlled polarization
Prior art date
Application number
IT000355A
Other languages
English (en)
Inventor
Giulio Ricotti
Original Assignee
St Microelectronics Srl
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 St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT000355A priority Critical patent/ITMI20040355A1/it
Publication of ITMI20040355A1 publication Critical patent/ITMI20040355A1/it
Priority to US11/069,838 priority patent/US7274256B2/en

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
    • H03F3/4565—Controlling the common source 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
    • H03F3/3022—CMOS common source output SEPP amplifiers
    • 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
    • H03F3/45183—Long tailed pairs
    • 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
    • H03F2203/30—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor
    • H03F2203/30015—An input signal dependent control signal controls the bias of an output stage in the SEPP

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
IT000355A 2004-02-27 2004-02-27 Stadio amplificatore d'ingresso in classe ab con corrente di polarizzazione controllata ITMI20040355A1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT000355A ITMI20040355A1 (it) 2004-02-27 2004-02-27 Stadio amplificatore d'ingresso in classe ab con corrente di polarizzazione controllata
US11/069,838 US7274256B2 (en) 2004-02-27 2005-02-28 Input amplifier stage in the AB class having a controlled bias current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000355A ITMI20040355A1 (it) 2004-02-27 2004-02-27 Stadio amplificatore d'ingresso in classe ab con corrente di polarizzazione controllata

Publications (1)

Publication Number Publication Date
ITMI20040355A1 true ITMI20040355A1 (it) 2004-05-27

Family

ID=34985631

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000355A ITMI20040355A1 (it) 2004-02-27 2004-02-27 Stadio amplificatore d'ingresso in classe ab con corrente di polarizzazione controllata

Country Status (2)

Country Link
US (1) US7274256B2 (it)
IT (1) ITMI20040355A1 (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7554405B2 (en) 2007-05-02 2009-06-30 Samsung Electronics Co., Ltd. Adaptive biasing input stage and amplifiers including the same
US7633280B2 (en) * 2008-01-11 2009-12-15 Texas Instruments Incorporated Low drop voltage regulator with instant load regulation and method
US8188792B1 (en) * 2010-09-24 2012-05-29 Altera Corporation Techniques for current mirror circuits
TWI602394B (zh) * 2016-12-07 2017-10-11 矽統科技股份有限公司 源極隨耦器
US11656642B2 (en) 2021-02-05 2023-05-23 Analog Devices, Inc. Slew rate improvement in multistage differential amplifiers for fast transient response linear regulator applications

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2555990B2 (ja) * 1994-08-03 1996-11-20 日本電気株式会社 マルチプライヤ
JP3338771B2 (ja) * 1997-09-04 2002-10-28 山形日本電気株式会社 演算増幅器
US6008667A (en) * 1997-11-19 1999-12-28 Texas Instruments Incorporated Emitter-coupled logic to CMOS logic converter and method of operation
US6771126B2 (en) * 2001-03-30 2004-08-03 Winbond Electronics Corporation Slew rate enhancement circuit and method
JP2003098933A (ja) 2001-09-20 2003-04-04 Canon Inc 画像形成装置及び制御方法並びに記憶媒体

Also Published As

Publication number Publication date
US7274256B2 (en) 2007-09-25
US20050206451A1 (en) 2005-09-22

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