DE69419957T2 - Eine Differenzverstärkerschaltung mit automatisch eingestelltem Gleichstrompegel an dem Ausgangsanschluss - Google Patents

Eine Differenzverstärkerschaltung mit automatisch eingestelltem Gleichstrompegel an dem Ausgangsanschluss

Info

Publication number
DE69419957T2
DE69419957T2 DE69419957T DE69419957T DE69419957T2 DE 69419957 T2 DE69419957 T2 DE 69419957T2 DE 69419957 T DE69419957 T DE 69419957T DE 69419957 T DE69419957 T DE 69419957T DE 69419957 T2 DE69419957 T2 DE 69419957T2
Authority
DE
Germany
Prior art keywords
level
output terminal
amplifier circuit
differential amplifier
automatically set
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
DE69419957T
Other languages
English (en)
Other versions
DE69419957D1 (de
Inventor
Yoshiaki Takahashi
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co 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
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of DE69419957D1 publication Critical patent/DE69419957D1/de
Application granted granted Critical
Publication of DE69419957T2 publication Critical patent/DE69419957T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0244—Stepped control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/307—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in push-pull amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69419957T 1993-03-29 1994-03-14 Eine Differenzverstärkerschaltung mit automatisch eingestelltem Gleichstrompegel an dem Ausgangsanschluss Expired - Fee Related DE69419957T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6991693 1993-03-29
JP16786493A JP3459442B2 (ja) 1993-03-29 1993-07-07 差動増幅回路及びそれを用いた電力増幅装置

Publications (2)

Publication Number Publication Date
DE69419957D1 DE69419957D1 (de) 1999-09-16
DE69419957T2 true DE69419957T2 (de) 2000-03-09

Family

ID=26411087

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69419957T Expired - Fee Related DE69419957T2 (de) 1993-03-29 1994-03-14 Eine Differenzverstärkerschaltung mit automatisch eingestelltem Gleichstrompegel an dem Ausgangsanschluss

Country Status (5)

Country Link
US (1) US5424683A (de)
EP (1) EP0618673B1 (de)
JP (1) JP3459442B2 (de)
KR (1) KR0142149B1 (de)
DE (1) DE69419957T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19514450A1 (de) * 1995-04-25 1996-10-31 Thomson Brandt Gmbh Leistungsverstärker für ein niederfrequentes Signal
JPH10508452A (ja) * 1995-08-29 1998-08-18 フィリップス、エレクトロニクス、ネムローゼ、フェンノートシャップ 電圧−電流変換器を備えた回路装置
DE19534873A1 (de) * 1995-09-20 1997-03-27 Philips Patentverwaltung Schaltungsanordnung mit einem Differenzverstärker
US5798668A (en) * 1995-11-28 1998-08-25 Thomson Consumer Electronics, Inc. Low-power transconductance driver amplifier
US5757167A (en) * 1996-07-12 1998-05-26 Cardiac Pacemakers, Inc. Voltage regulator
JP3986105B2 (ja) * 1996-10-31 2007-10-03 三洋電機株式会社 電力増幅装置
JPH10150334A (ja) * 1996-11-19 1998-06-02 Sanyo Electric Co Ltd 電力増幅装置
US5973547A (en) * 1997-06-27 1999-10-26 Sun Microsystems, Inc Self-biasing, offset-nulling power supply monitor circuit
JPH1127068A (ja) * 1997-06-30 1999-01-29 Nec Ic Microcomput Syst Ltd 利得制御増幅器及びその制御方法
US6631293B2 (en) * 1997-09-15 2003-10-07 Cardiac Pacemakers, Inc. Method for monitoring end of life for battery
US6167309A (en) * 1997-09-15 2000-12-26 Cardiac Pacemakers, Inc. Method for monitoring end of life for battery
JPH11136039A (ja) * 1997-10-31 1999-05-21 Sanyo Electric Co Ltd 電力増幅装置
US6005438A (en) * 1997-12-10 1999-12-21 National Semiconductor Corporation Output high voltage clamped circuit for low voltage differential swing applications in the case of overload
DE19919140B4 (de) 1998-04-29 2011-03-31 National Semiconductor Corp.(N.D.Ges.D.Staates Delaware), Santa Clara Niederspannungs-Differenzsignaltreiber mit Vorverstärkerschaltung
US6023193A (en) * 1998-05-01 2000-02-08 Qsc Audio Products, Inc. High power bridge amplifier
WO2000011779A1 (en) * 1998-08-19 2000-03-02 Ryszard Parosa Circuit for precise sensing and regulation of quiescent dc current in transistor power amplifiers
JP3765684B2 (ja) * 1999-03-31 2006-04-12 株式会社リコー 相互コンダクタンス増幅器及びこれを用いた自動利得制御装置
JP3664224B2 (ja) * 1999-12-07 2005-06-22 ローム株式会社 パワードライブ回路
US6304138B1 (en) 2000-03-17 2001-10-16 National Semiconductor Corporation Audio-frequency power amplifier that utilizes a bridged amplified configuration
US6437648B1 (en) 2000-09-01 2002-08-20 William Van Beylen Audio amplifier with transformerless power supply
US6584355B2 (en) 2001-04-10 2003-06-24 Cardiac Pacemakers, Inc. System and method for measuring battery current
JP4604396B2 (ja) * 2001-05-30 2011-01-05 パナソニック株式会社 音声出力制御回路
US7276954B2 (en) * 2002-06-26 2007-10-02 Kabushiki Kaisha Toyota Jidoshokki Driver for switching device
EP1658671A1 (de) 2003-06-16 2006-05-24 Paragon Communications Ltd. Verfahren und vorrichtung zur dynamischen regelung der versorgungsspannung eines leistungsverstärkers
US6940255B2 (en) * 2003-10-23 2005-09-06 Cardiac Pacemakers, Inc. Battery charge indicator such as for an implantable medical device
US7342420B2 (en) * 2004-09-24 2008-03-11 Integrated Device Technology, Inc. Low power output driver
US7262663B2 (en) * 2005-10-26 2007-08-28 Agilent Technologies, Inc. Ultra high linearity amplifier
US8958575B2 (en) * 2007-06-29 2015-02-17 Qualcomm Incorporated Amplifier with configurable DC-coupled or AC-coupled output
US7737784B2 (en) * 2008-10-09 2010-06-15 Maxim Integrated Products, Inc. Self configuring output stages of precision amplifiers
US7944302B2 (en) * 2009-08-24 2011-05-17 Fender Musical Instruments Corporation Method and apparatus for biasing an amplifier
WO2015190030A1 (ja) * 2014-06-12 2015-12-17 富士電機株式会社 演算増幅器及びこれを使用したチャージアンプ
US10476447B2 (en) 2016-12-08 2019-11-12 Mediatek Inc. Source follower
CN106602891B (zh) * 2017-01-24 2023-05-23 维尔纳集电电子科技(福建)有限公司 一种高频三相四线数字电源
TWI638515B (zh) * 2017-03-10 2018-10-11 新唐科技股份有限公司 放大器
CN109245730B (zh) * 2018-08-21 2022-08-02 中国科学院微电子研究所 开关功率放大器和数字发射机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107619A (en) * 1977-12-20 1978-08-15 Threshold Corporation Constant voltage - constant current high fidelity amplifier
JPS6012807B2 (ja) * 1978-08-28 1985-04-03 株式会社東芝 Ｂｔｌ方式増幅装置
JPS58123615U (ja) * 1982-02-17 1983-08-23 山水電気株式会社 Ｂｔｌ増幅器
JPS5970307A (ja) * 1982-10-15 1984-04-20 Matsushita Electric Ind Co Ltd 増幅器
US5162752A (en) * 1990-09-25 1992-11-10 Josef Lakatos Working point adjusting circuit for a single power amplifier having multiple output channels
JP3409053B2 (ja) * 1991-05-29 2003-05-19 Ｎｅｃエレクトロニクス株式会社 複合差動増幅器

Also Published As

Publication number Publication date
JP3459442B2 (ja) 2003-10-20
EP0618673B1 (de) 1999-08-11
KR0142149B1 (ko) 1998-07-15
JPH06338738A (ja) 1994-12-06
DE69419957D1 (de) 1999-09-16
KR940023011A (ko) 1994-10-22
US5424683A (en) 1995-06-13
EP0618673A3 (de) 1995-12-06
EP0618673A2 (de) 1994-10-05

Similar Documents

Publication Publication Date Title
DE69419957T2 (de) Eine Differenzverstärkerschaltung mit automatisch eingestelltem Gleichstrompegel an dem Ausgangsanschluss
DE69320922D1 (de) Differenzverstärkerschaltung
DE68919383D1 (de) Verstärkerschaltung.
DE69110595D1 (de) Verstärkerschaltungsanordnung.
GB2280052B (en) Logarithmic amplifying circuit based on the bias-offset technique
EP0639000A3 (de) Verstärkerschaltung des Flipflop-Typs.
EP0523380A3 (en) Comparator circuit including at least one differential amplifier
DE69527030D1 (de) Integrierte Verstärkerschaltung mit mehreren komplementären Stufen
DE69314981D1 (de) Verstärkerschaltung
DE68921502T2 (de) Verstärkerschaltung.
DE59207081D1 (de) Integrierte Schaltungsanordnung mit einem Differenzverstärker
DE58908646D1 (de) Differentieller Operationsverstärker mit Gleichtakt-Rückkoppelschaltung.
DE69112104T2 (de) Verstärkerschaltung.
DE69111504T2 (de) Verzerrungsausgleichende Differenzschaltung.
DE59813064D1 (de) Schaltungsanordnung mit Differenzverstärkerstufen
DE69008958T2 (de) Kombinierte Stromdifferenz- und Operationsverstärkerschaltung.
DE68919086T2 (de) Abtast-halte-verstärkerschaltung.
DE69208282D1 (de) Differenzverstärker mit Ausgangsstrombegrenzung
DE69110363D1 (de) Differenzverstärkerschaltung.
FI915031A0 (fi) Anordning foer att infoera vaerdekort in i en kortkanal.
FI912647A0 (fi) Straolkastare foer belysning av miniatyrmodell i skala.
KR950007475U (ko) 차동증폭회로
FI86235B (fi) Koppling foer att daempa felaotergivning i en mottagare av en radiotelefon.
ITMI921648A0 (it) Stadio differenziale di corrente a duplicatore di corrente
FI912424A0 (fi) Foerflyttare/omformare av torvstraeng foer att foerbaettra torvs flyttning i en straenglaeggare.

Legal Events

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