DE69330355T2 - Verstärkerausgangsstufe - Google Patents

Verstärkerausgangsstufe

Info

Publication number
DE69330355T2
DE69330355T2 DE69330355T DE69330355T DE69330355T2 DE 69330355 T2 DE69330355 T2 DE 69330355T2 DE 69330355 T DE69330355 T DE 69330355T DE 69330355 T DE69330355 T DE 69330355T DE 69330355 T2 DE69330355 T2 DE 69330355T2
Authority
DE
Germany
Prior art keywords
current conduction
amplifier
terminal
fet
conduction path
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 - Lifetime
Application number
DE69330355T
Other languages
German (de)
English (en)
Other versions
DE69330355D1 (de
Inventor
David P. Mccorkle
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.)
Harman International Industries Inc
Original Assignee
Harman International Industries Inc
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 Harman International Industries Inc filed Critical Harman International Industries Inc
Application granted granted Critical
Publication of DE69330355D1 publication Critical patent/DE69330355D1/de
Publication of DE69330355T2 publication Critical patent/DE69330355T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69330355T 1992-02-18 1993-02-15 Verstärkerausgangsstufe Expired - Lifetime DE69330355T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/837,166 US5160896A (en) 1992-02-18 1992-02-18 Class D amplifier

Publications (2)

Publication Number Publication Date
DE69330355D1 DE69330355D1 (de) 2001-07-19
DE69330355T2 true DE69330355T2 (de) 2001-09-20

Family

ID=25273699

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69330355T Expired - Lifetime DE69330355T2 (de) 1992-02-18 1993-02-15 Verstärkerausgangsstufe
DE69318054T Expired - Lifetime DE69318054T2 (de) 1992-02-18 1993-02-15 Pulsweitenmodulator für Klasse-D Verstärker

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69318054T Expired - Lifetime DE69318054T2 (de) 1992-02-18 1993-02-15 Pulsweitenmodulator für Klasse-D Verstärker

Country Status (5)

Country Link
US (1) US5160896A (enExample)
EP (2) EP0557032B1 (enExample)
JP (2) JP3366677B2 (enExample)
DE (2) DE69330355T2 (enExample)
DK (1) DK0776088T3 (enExample)

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FR2686759B1 (fr) * 1992-01-29 1994-04-22 Sgs Thomson Microelectronics Dispositif de regulation de puissance pour un haut-parleur de poste de telephone pendant une sonnerie .
DE4216203A1 (de) * 1992-05-15 1993-11-18 Sgs Thomson Microelectronics Steuerschaltung
US5410592A (en) * 1993-06-04 1995-04-25 Harris Corporation Class `D` audio speaker amplifier circuit with state variable feedback control
US5608401A (en) 1994-12-28 1997-03-04 Lucent Technologies Inc. Three-level digital-to-analog converter for low-power consumption
US5594386A (en) * 1995-04-21 1997-01-14 Sipex Corporation Pulse width modulated amplifier
TW437161B (en) * 1995-08-30 2001-05-28 Sony Corp Audio signal amplifying apparatus
FR2743226B1 (fr) * 1995-12-27 1998-03-20 Sgs Thomson Microelectronics Dispositif adaptatif a l'impedance d'une ligne d'alimentation
EP0842561B1 (en) * 1996-05-31 2002-02-20 Koninklijke Philips Electronics N.V. Device with amplifier means including safety means, and with filter means connected to the amplifier means
US5973368A (en) * 1996-06-05 1999-10-26 Pearce; Lawrence G. Monolithic class D amplifier
US5767740A (en) * 1996-09-27 1998-06-16 Harris Corporation Switching amplifier closed loop dual comparator modulation technique
US5963086A (en) * 1997-08-08 1999-10-05 Velodyne Acoustics, Inc. Class D amplifier with switching control
DE69818631T2 (de) * 1997-08-12 2004-08-12 Koninklijke Philips Electronics N.V. Verstärkungsanordnung für digitale signale
JP3550022B2 (ja) * 1998-04-30 2004-08-04 松下電器産業株式会社 Ｄ級増幅器を使用したシステム
US6107875A (en) * 1998-10-15 2000-08-22 Intersil Corporation Variable frequency class D modulator with built in soft clipping and frequency limiting
US6587670B1 (en) 1998-12-22 2003-07-01 Harris Corporation Dual mode class D amplifiers
NL1011002C2 (nl) * 1999-01-12 2000-07-20 Univ Eindhoven Tech Versterkerschakeling.
US6088251A (en) * 1999-07-09 2000-07-11 Fedan; Orest Linearized duty radio, variable frequency switching regulator
US6304137B1 (en) * 1999-12-23 2001-10-16 Red Chip Company Limited Output stage for high power class D amplifiers
US6441685B1 (en) 2000-03-17 2002-08-27 Jl Audio, Inc. Amplifier circuit and method for providing negative feedback thereto
KR100809242B1 (ko) * 2000-05-25 2008-02-29 엔엑스피 비 브이 푸쉬풀 증폭기 및 불감 개시 회로
KR100762534B1 (ko) 2000-05-25 2007-10-01 엔엑스피 비 브이 푸쉬풀 증폭기 및 복조 필터
JP2003046345A (ja) * 2001-07-27 2003-02-14 Sony Corp パワーアンプ装置
CN1195353C (zh) * 2001-12-03 2005-03-30 方虎堂 脉冲面积调制数字功率处理方法及装置
PL198380B1 (pl) * 2002-01-21 2008-06-30 Adb Polska Sp Wzmacniacz elektroakustyczny klasy D i sposób kompensacji wpływu napięcia zasilającego na wyjściowy sygnał użyteczny we wzmacniaczu elekroakustycznym klasy D
JP3499235B1 (ja) * 2002-08-28 2004-02-23 株式会社フライングモール スイッチング回路及びディジタル電力増幅器
US20080122534A1 (en) * 2004-11-03 2008-05-29 Bruce Halcro Candy Amplifier Switching Output Stage With Low Distortion
EP1657815A1 (en) * 2004-11-12 2006-05-17 Dialog Semiconductor GmbH Frequency stabilization technique for self oscillating modulator
US20060181346A1 (en) * 2005-02-16 2006-08-17 Nguyen Tranh T Constant frequency self-oscillating amplifier
KR100617960B1 (ko) 2005-02-24 2006-08-30 삼성전자주식회사 자가 발진형 펄스 폭 변조회로 및 펄스 폭 변조 방법
KR20070120140A (ko) * 2005-04-15 2007-12-21 코닌클리케 필립스 일렉트로닉스 엔.브이. Ｄ급 증폭기
US20090102550A1 (en) * 2005-06-10 2009-04-23 Rohm Co., Ltd. Audio signal amplifier circuit with a mute function
US8050418B2 (en) * 2005-07-07 2011-11-01 Harman International Industries, Incorporated Update system for an audio amplifier
US7262658B2 (en) * 2005-07-29 2007-08-28 Texas Instruments Incorporated Class-D amplifier system
DE102005044710B4 (de) * 2005-09-19 2011-07-07 Conta GmbH, 45663 Rückkopplungskorrektur für Schaltverstärker sowie eine Verwendung
US7400191B2 (en) 2006-04-07 2008-07-15 Manuel De Jesus Rodriguez Switching power amplifier
JP4878227B2 (ja) * 2006-06-27 2012-02-15 旭化成エレクトロニクス株式会社 Ｐｗｍ回路
US7705672B1 (en) 2007-02-12 2010-04-27 Manuel De Jesus Rodriguez Buck converters as power amplifier
JP4932573B2 (ja) * 2007-04-09 2012-05-16 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 オーディオ再生装置
US8194424B2 (en) * 2007-05-07 2012-06-05 Harman International Industries, Incorporated Automatic zero voltage switching mode controller
DE102008057234A1 (de) 2007-12-14 2009-06-25 Jens Kurrat Aktivlautsprecher
EP2096753B1 (en) * 2008-02-29 2011-11-30 STMicroelectronics (Grenoble) SAS Switching amplifier
US8731120B1 (en) * 2011-04-08 2014-05-20 Cameron M. Pike Feedback-controlled biased inverting limiter for RFI suppression
US8410851B1 (en) 2011-09-12 2013-04-02 Wen-Hsiung Hsieh Switching amplifier with an inductor
US8228118B1 (en) 2011-09-17 2012-07-24 Wen-Hsiung Hsieh Switching amplifier using capacitor for transmitting energy
US8212613B1 (en) 2011-09-21 2012-07-03 Wen-Hsiung Hsieh Switching amplifier using flyback transformer
US8451057B2 (en) 2011-11-02 2013-05-28 Wen-Hsiung Hsieh Switching amplifier using inductor current feedback
JP6044269B2 (ja) 2011-11-04 2016-12-14 ヤマハ株式会社 自励発振型ｄ級アンプおよび自励発振型ｄ級アンプの自励発振周波数制御方法
US9602067B2 (en) 2011-11-15 2017-03-21 Wen-Hsiung Hsieh Switching amplifier with pulsed current supply
US8416020B1 (en) 2011-11-20 2013-04-09 Wen-Hsiung Hsieh Switching amplifier and switching amplifying method
US8432221B1 (en) 2011-11-27 2013-04-30 Wen-Hsiung Hsieh Switching amplifying method and switching amplifier
US8525587B2 (en) 2011-12-04 2013-09-03 Wen-Hsiung Hsieh Switching amplifier with inductance means for transmitting energy
JP2013207534A (ja) * 2012-03-28 2013-10-07 Pioneer Electronic Corp マルチチャンネルアンプ、マルチチャンネルアンプの制御方法およびプログラム
US8760230B2 (en) 2012-06-28 2014-06-24 Wen-Hsiung Hsieh Switching amplifier with pulsed current source and sink
CN104348451A (zh) * 2013-09-29 2015-02-11 深圳市伟创电气有限公司 迟滞性窗口比较器电路
US9876422B2 (en) * 2014-02-17 2018-01-23 Trw Automotive U.S. Llc RF noise reduction in switching mode power supplies
WO2019133381A1 (en) * 2017-12-29 2019-07-04 Verily Life Sciences Llc High-efficiency power amplifier system for wireless power transmitters
US10481193B2 (en) * 2018-02-02 2019-11-19 Texas Instruments Incorporated Programmable load transient circuit

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Publication number Priority date Publication date Assignee Title
US3038964A (en) * 1956-08-06 1962-06-12 Amar G Bose Loudspeaker system
US2915588A (en) * 1956-08-06 1959-12-01 Amar G Bose Pressure wave generation
US3294981A (en) * 1962-08-15 1966-12-27 Bose Corp Signal translation employing two-state techniques
US4456872A (en) * 1969-10-27 1984-06-26 Bose Corporation Current controlled two-state modulation
GB2043370B (en) * 1979-02-28 1983-03-09 Chloride Group Ltd Converters
US4516080A (en) * 1982-04-01 1985-05-07 Unisearch Limited High-efficiency low distortion parallel amplifier
NL8203428A (nl) * 1982-09-02 1984-04-02 Philips Nv Inrichting voor het omzetten van een elektrisch signaal in een akoestisch signaal.
JPS5967719A (ja) * 1982-10-09 1984-04-17 Nippon Gakki Seizo Kk パルス幅変調回路
US4602166A (en) * 1983-05-19 1986-07-22 Steve Smith Transformer driving network with primary current limiting means
US4550359A (en) * 1984-02-10 1985-10-29 Honeywell Inc. Voltage transient protection circuit for MOSFET power transistors
US4775841A (en) * 1986-06-03 1988-10-04 Trofimenkoff F N Voltage to frequency conversion circuit with a pulse width to period ratio proportional to input voltage
DE4007564A1 (de) * 1990-03-09 1991-09-12 Siemens Ag Leistungsverstaerker zur speisung induktiver lasten mit mos-feldeffekttransistoren

Also Published As

Publication number Publication date
EP0776088B1 (en) 2001-06-13
EP0776088A2 (en) 1997-05-28
JP2003078363A (ja) 2003-03-14
DE69318054T2 (de) 1998-08-13
EP0557032B1 (en) 1998-04-22
JPH06216664A (ja) 1994-08-05
JP3366677B2 (ja) 2003-01-14
DE69318054D1 (de) 1998-05-28
JP3519723B2 (ja) 2004-04-19
US5160896A (en) 1992-11-03
EP0776088A3 (en) 1997-08-06
DK0776088T3 (da) 2001-09-24
EP0557032A2 (en) 1993-08-25
EP0557032A3 (enExample) 1994-01-05
DE69330355D1 (de) 2001-07-19

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