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DE69216626D1 - Leistungsverstärker mit signalabhängiger Ruhestromeinstellung - Google Patents

Leistungsverstärker mit signalabhängiger Ruhestromeinstellung

Info

Publication number
DE69216626D1
DE69216626D1 DE69216626T DE69216626T DE69216626D1 DE 69216626 D1 DE69216626 D1 DE 69216626D1 DE 69216626 T DE69216626 T DE 69216626T DE 69216626 T DE69216626 T DE 69216626T DE 69216626 D1 DE69216626 D1 DE 69216626D1
Authority
DE
Germany
Prior art keywords
signal
power amplifier
current setting
quiescent current
dependent
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
DE69216626T
Other languages
English (en)
Other versions
DE69216626T2 (de
Inventor
Gerald Molnar
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.)
Microsemi Semiconductor ULC
Original Assignee
Mitel 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 Mitel Corp filed Critical Mitel Corp
Application granted granted Critical
Publication of DE69216626D1 publication Critical patent/DE69216626D1/de
Publication of DE69216626T2 publication Critical patent/DE69216626T2/de
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
    • H03F3/45183—Long tailed pairs
    • H03F3/45192—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
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • 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
    • H03F2203/45398—Indexing scheme relating to differential amplifiers the AAC comprising a voltage generating circuit as bias circuit for 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
    • H03F2203/45651—Indexing scheme relating to differential amplifiers the LC comprising two cascode current sources
    • 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
    • H03F2203/45732—Indexing scheme relating to differential amplifiers the LC comprising a voltage generating circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69216626T 1991-09-06 1992-09-03 Leistungsverstärker mit signalabhängiger Ruhestromeinstellung Expired - Fee Related DE69216626T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002050878A CA2050878C (en) 1991-09-06 1991-09-06 Power amplifier with quiescent current control
PCT/CA1992/000381 WO1993005572A1 (en) 1991-09-06 1992-09-03 Power amplifier with quiescent current control

Publications (2)

Publication Number Publication Date
DE69216626D1 true DE69216626D1 (de) 1997-02-20
DE69216626T2 DE69216626T2 (de) 1997-05-28

Family

ID=4148320

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69216626T Expired - Fee Related DE69216626T2 (de) 1991-09-06 1992-09-03 Leistungsverstärker mit signalabhängiger Ruhestromeinstellung

Country Status (6)

Country Link
US (1) US5428316A (de)
EP (1) EP0602163B1 (de)
JP (1) JP3261532B2 (de)
CA (1) CA2050878C (de)
DE (1) DE69216626T2 (de)
WO (1) WO1993005572A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2725718B2 (ja) * 1993-08-25 1998-03-11 日本電気株式会社 差動増幅器の同相帰還回路
FR2719425B1 (fr) * 1994-04-29 1996-08-09 Sgs Thomson Microelectronics Amplificateur différentiel à réglage de mode commun.
US5742204A (en) * 1996-02-29 1998-04-21 Harris Corporation Digitally programmable differential attenuator with tracking common mode reference
SE513677C2 (sv) * 1996-11-08 2000-10-23 Ericsson Telefon Ab L M Anordning för att stabilisera slutsteg jämte slutsteg
SE519691C2 (sv) * 1997-07-08 2003-04-01 Ericsson Telefon Ab L M Operationsförstärkare med hög hastighet och hög förstärkning
US5973563A (en) * 1997-12-10 1999-10-26 National Semiconductor Corporation High power output stage with temperature stable precisely controlled quiescent current and inherent short circuit protection
US6046642A (en) * 1998-09-08 2000-04-04 Motorola, Inc. Amplifier with active bias compensation and method for adjusting quiescent current
US6118341A (en) * 1998-11-02 2000-09-12 Philips Electronics North America Corporation Device with common mode feedback for a differential output
GB2344902B (en) 1998-12-18 2003-04-23 Ericsson Telefon Ab L M Level shift circuit
US6943618B1 (en) * 1999-05-13 2005-09-13 Honeywell International Inc. Compensation mechanism for compensating bias levels of an operation circuit in response to supply voltage changes
GB0003067D0 (en) * 2000-02-11 2000-03-29 Univ Catholique Louvain Compact instrumentation or sensor fully differential preamlifier with low temperature with low temperature dependence
US6556081B2 (en) 2000-12-15 2003-04-29 Texas Instruments Incorporated Single-ended, ultra low voltage class AB power amplifier architecture having a common-mode feedback quiescent current control circuit
US7262664B1 (en) 2005-06-02 2007-08-28 Adtran, Inc. Circuit and method for controlling quiescent current of an amplifier
DE102006023710B4 (de) * 2006-05-19 2012-03-29 Xignal Technologies Ag Klasse-AB-Verstärkerschaltung mit kombinierter Ruhestrom- und Gleichtaktregelung
JP4246222B2 (ja) * 2006-07-18 2009-04-02 シャープ株式会社 キャリア検出回路、それを備えた赤外線信号処理回路、ならびにキャリア検出回路の制御方法
JP4290721B2 (ja) 2006-11-15 2009-07-08 シャープ株式会社 バンドパスフィルタ回路、並びに赤外線信号処理回路
WO2009063276A1 (en) 2007-11-15 2009-05-22 Freescale Semiconductor, Inc. Amplifier circuit
US7768353B2 (en) * 2008-06-13 2010-08-03 Samsung Electro-Mechanics Company, Ltd. Systems and methods for switching mode power amplifier control
US8148962B2 (en) 2009-05-12 2012-04-03 Sandisk Il Ltd. Transient load voltage regulator
US8305144B1 (en) 2010-11-09 2012-11-06 Adtran, Inc. Circuits and methods for controlling quiescent current in amplifiers
EP2645565B1 (de) * 2012-03-27 2019-03-06 Dialog Semiconductor GmbH Vollständig differenzielle Verstärkertopologie zur Ansteuerung dynamischer Lautsprecher in Klasse-AB-Modus
US9760533B2 (en) 2014-08-14 2017-09-12 The Regents On The University Of Michigan Floating-gate transistor array for performing weighted sum computation
US9698729B2 (en) 2015-11-04 2017-07-04 Infineon Technologies Ag Optimum current control CMOS cascode amplifier
KR102160673B1 (ko) * 2020-01-13 2020-09-29 서울대학교산학협력단 전류를 재사용하는 저전력 계측 증폭기 및 이에 포함되는 완전 차동 차분 증폭기

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533876A (en) * 1983-10-18 1985-08-06 American Microsystems, Inc. Differential operational amplifier with common mode feedback
US4963834A (en) * 1988-01-21 1990-10-16 Nec Corporation Operational amplifier
US4933644A (en) * 1988-12-23 1990-06-12 Texas Instruments, Incorporated Common-mode feedback bias generator for operational amplifiers
US5166635A (en) * 1991-03-27 1992-11-24 Level One Communications, Inc. Digital data line driver

Also Published As

Publication number Publication date
DE69216626T2 (de) 1997-05-28
JPH06510407A (ja) 1994-11-17
CA2050878C (en) 1999-10-19
US5428316A (en) 1995-06-27
EP0602163A1 (de) 1994-06-22
EP0602163B1 (de) 1997-01-08
WO1993005572A1 (en) 1993-03-18
CA2050878A1 (en) 1993-03-07
JP3261532B2 (ja) 2002-03-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee