DE69330355D1 - Verstärkerausgangsstufe - Google Patents

Verstärkerausgangsstufe

Info

Publication number: DE69330355D1
Authority: DE; Germany
Prior art keywords: output stage; amplifier output; amplifier; stage; output
Prior art date: 1992-02-18
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

English (en)

Other versions

DE69330355T2 (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.)

1992-02-18

Filing date

1993-02-15

Publication date

2001-07-19

1993-02-15 Application filed by Harman International Industries Inc filed Critical Harman International Industries Inc

2001-07-19 Publication of DE69330355D1 publication Critical patent/DE69330355D1/de

2001-09-20 Application granted granted Critical

2001-09-20 Publication of DE69330355T2 publication Critical patent/DE69330355T2/de

2013-02-16 Anticipated expiration legal-status Critical

Status 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 true DE69330355D1 (de)	2001-07-19
DE69330355T2 DE69330355T2 (de)	2001-09-20

Family

ID=25273699

Family Applications (2)

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

Family Applications Before (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 (de)
EP (2)	EP0776088B1 (de)
JP (2)	JP3366677B2 (de)
DE (2)	DE69318054T2 (de)
DK (1)	DK0776088T3 (de)

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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
CN1198268A (zh) *	1996-05-31	1998-11-04	菲利浦电子有限公司	具有包括安全装置的放大器和连接到放大器的滤波器的器件
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
WO1999008378A2 (en) *	1997-08-12	1999-02-18	Koninklijke Philips Electronics N.V.	Device for amplifying digital signals
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
WO2001091285A1 (en) *	2000-05-25	2001-11-29	Koninklijke Philips Electronics N.V.	Silent start
JP2003534694A (ja)	2000-05-25	2003-11-18	コーニンクレッカフィリップスエレクトロニクスエヌヴィ	復調フィルタ
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 (de) *	2004-11-12	2006-05-17	Dialog Semiconductor GmbH	Technik zur Frequenzstabilisierung für einen selbst oszillierenden 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
EP1875602A1 (de) *	2005-04-15	2008-01-09	Koninklijke Philips Electronics N.V.	Klasse-d-verstärker
CN101010873A (zh) *	2005-06-10	2007-08-01	罗姆股份有限公司	音频信号放大电路及使用它的电子设备
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
JP5065398B2 (ja) *	2007-05-07	2012-10-31	ハーマンインターナショナルインダストリーズインコーポレイテッド	自動ゼロ電圧スイッチングモードコントローラ
DE102008057234A1 (de)	2007-12-14	2009-06-25	Jens Kurrat	Aktivlautsprecher
EP2096753B1 (de) *	2008-02-29	2011-11-30	STMicroelectronics (Grenoble) SAS	Schaltverstärker
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
EP3732770B1 (de) *	2017-12-29	2023-05-10	Verily Life Sciences LLC	Hochleistungsleistungsverstärkersystem für drahtlose leistungssender
US10481193B2 (en) *	2018-02-02	2019-11-19	Texas Instruments Incorporated	Programmable load transient circuit

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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

1992
- 1992-02-18 US US07/837,166 patent/US5160896A/en not_active Expired - Lifetime
1993
- 1993-02-15 DK DK97101192T patent/DK0776088T3/da active
- 1993-02-15 DE DE69318054T patent/DE69318054T2/de not_active Expired - Lifetime
- 1993-02-15 DE DE69330355T patent/DE69330355T2/de not_active Expired - Lifetime
- 1993-02-15 EP EP97101192A patent/EP0776088B1/de not_active Expired - Lifetime
- 1993-02-15 EP EP93301064A patent/EP0557032B1/de not_active Expired - Lifetime
- 1993-02-18 JP JP02936393A patent/JP3366677B2/ja not_active Expired - Lifetime
2002
- 2002-08-23 JP JP2002243583A patent/JP3519723B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE69318054T2 (de)	1998-08-13
DE69330355T2 (de)	2001-09-20
JP3519723B2 (ja)	2004-04-19
DE69318054D1 (de)	1998-05-28
JP3366677B2 (ja)	2003-01-14
JP2003078363A (ja)	2003-03-14
EP0776088A2 (de)	1997-05-28
EP0557032B1 (de)	1998-04-22
EP0776088A3 (de)	1997-08-06
DK0776088T3 (da)	2001-09-24
EP0557032A3 (de)	1994-01-05
US5160896A (en)	1992-11-03
EP0776088B1 (de)	2001-06-13
JPH06216664A (ja)	1994-08-05
EP0557032A2 (de)	1993-08-25

Legal Events

Date

Code

Title

Description

2002-07-11

8364

No opposition during term of opposition

2013-02-16

R071

Expiry of right

Ref document number: 776088

Country of ref document: EP

Publication	Publication Date	Title
DE69330355D1 (de)	2001-07-19	Verstärkerausgangsstufe
DE69325672D1 (de)	1999-08-26	Optischer Verstärker
DE69434482D1 (de)	2005-10-13	Verstärker
DE69318834D1 (de)	1998-07-02	Differenzverstärker
DK0458071T3 (da)	1996-02-19	Standbølgeforhold-adaptivt effektforstærkersystem
DE69332392D1 (de)	2002-11-21	Leistungsverstärker
DE69316222D1 (de)	1998-02-12	Mehrstufiger faserverstärker
DE69311253D1 (de)	1997-07-10	Verstärkerwandler
DE69319008D1 (de)	1998-07-16	Verstärker
DE69119036D1 (de)	1996-05-30	Operationsverstärker
DE69422668D1 (de)	2000-02-24	Verstärkerkaskade
DE69322737D1 (de)	1999-02-04	Verstärker
DE69306959D1 (de)	1997-02-06	Pneumatischer kraftverstärker
DE69314981D1 (de)	1997-12-11	Verstärkerschaltung
DE69225898D1 (de)	1998-07-16	Verstärker
DE69315949D1 (de)	1998-02-05	Optischer Halbleiterverstärker
DE69225620D1 (de)	1998-07-02	Operationsverstärker
DE69313177D1 (de)	1997-09-25	Verstärker mit Ausgangsstrombegrenzung
NO960636L (no)	1996-04-16	Kraft-forsterker
ITMI922501A0 (it)	1992-10-30	Amplificatore ottico compatto
DE59208486D1 (de)	1997-06-19	Verstärker
DE69320776D1 (de)	1998-10-08	Transkonduktanzverstärker
DE69317240D1 (de)	1998-04-09	Eingangs-Verstärkerschaltung
DE69416474D1 (de)	1999-03-25	Verstärker
DE68927951D1 (de)	1997-05-15	Verstärkerausgangsstufe