JP2008511247A5 - - Google Patents

Download PDF

Info

Publication number
JP2008511247A5
JP2008511247A5 JP2007529784A JP2007529784A JP2008511247A5 JP 2008511247 A5 JP2008511247 A5 JP 2008511247A5 JP 2007529784 A JP2007529784 A JP 2007529784A JP 2007529784 A JP2007529784 A JP 2007529784A JP 2008511247 A5 JP2008511247 A5 JP 2008511247A5
Authority
JP
Japan
Prior art keywords
amplifier
signal
load
output
input signal
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.)
Pending
Application number
JP2007529784A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008511247A (ja
Filing date
Publication date
Priority claimed from US10/927,351 external-priority patent/US7106135B2/en
Application filed filed Critical
Publication of JP2008511247A publication Critical patent/JP2008511247A/ja
Publication of JP2008511247A5 publication Critical patent/JP2008511247A5/ja
Pending legal-status Critical Current

Links

JP2007529784A 2004-08-26 2005-08-22 増幅器装置及び方法 Pending JP2008511247A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/927,351 US7106135B2 (en) 2004-08-26 2004-08-26 Amplifier system and method
PCT/SG2005/000286 WO2006022596A1 (en) 2004-08-26 2005-08-22 An amplifier apparatus and method

Publications (2)

Publication Number Publication Date
JP2008511247A JP2008511247A (ja) 2008-04-10
JP2008511247A5 true JP2008511247A5 (https=) 2008-09-04

Family

ID=35942253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007529784A Pending JP2008511247A (ja) 2004-08-26 2005-08-22 増幅器装置及び方法

Country Status (8)

Country Link
US (1) US7106135B2 (https=)
EP (1) EP1787386A4 (https=)
JP (1) JP2008511247A (https=)
KR (1) KR101236690B1 (https=)
CN (1) CN100525076C (https=)
AU (1) AU2005275555B2 (https=)
TW (1) TWI365600B (https=)
WO (1) WO2006022596A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7408414B2 (en) * 2006-03-21 2008-08-05 Leadis Technology, Inc. Distributed class G type amplifier switching method
US7522433B2 (en) * 2006-03-21 2009-04-21 Fairchild Semiconductor Corporation Efficient voltage rail generation
US20070285176A1 (en) * 2006-03-21 2007-12-13 Leadis Technology, Inc. Phase-Slipping Phase-Locked Loop
US20070236295A1 (en) * 2006-03-21 2007-10-11 Leadis Technology, Inc. FM Power Amplifier With Antenna Power Control
US8081785B2 (en) * 2006-03-21 2011-12-20 Fairchild Semiconductor Corporation High efficiency converter providing switching amplifier bias
US7498880B2 (en) * 2006-03-21 2009-03-03 Leadis Technology, Inc. Class L amplifier
US8081777B2 (en) 2006-03-21 2011-12-20 Fairchild Semiconductor Corporation Volume-based adaptive biasing
US8179372B1 (en) 2007-10-01 2012-05-15 Integrated Device Technology, Inc. Electronic display with array context-sensitive search (ACS) technology
US7733178B1 (en) 2007-10-24 2010-06-08 Fairchild Semiconductor Corporation High efficiency audio amplifier
US7750732B1 (en) 2007-12-04 2010-07-06 Fairchild Semiconductor Corporation Adaptive rail amplifier (ARA) technology
US8514015B2 (en) 2008-12-10 2013-08-20 Qualcomm, Incorporated Amplifier with programmable off voltage

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319175A (en) 1964-07-27 1967-05-09 Hugh L Dryden Electronic amplifier with power supply switching
US3585517A (en) 1968-05-01 1971-06-15 Westinghouse Electric Corp High-efficiency power amplifier
JPS51121239A (en) 1975-04-17 1976-10-23 Sony Corp An amplification circuit
JPS59212006A (ja) * 1983-05-18 1984-11-30 Nippon Gakki Seizo Kk 増幅器
JPS61234106A (ja) * 1986-01-29 1986-10-18 Nippon Gakki Seizo Kk 電力増幅器
JPH01137706A (ja) * 1987-11-25 1989-05-30 Nec Corp パルスステップ音声増幅器
US5115203A (en) * 1990-06-25 1992-05-19 Rockwell International Corporation Digital power amplifier
US5329245A (en) * 1993-06-28 1994-07-12 The United States Of America As Represented By The Secretary Of The Navy Hybrid high power amplifier
KR100226226B1 (ko) 1997-02-24 1999-10-15 윤덕용 혼합형 증폭기
JP3369503B2 (ja) * 1998-03-10 2003-01-20 シャープ株式会社 ディジタルスイッチングアンプ
KR20000002541A (ko) * 1998-06-22 2000-01-15 김덕중 오디오 전원 증폭기
JP3514978B2 (ja) * 1998-07-31 2004-04-05 シャープ株式会社 ディジタルスイッチングアンプ
DE69934966T2 (de) * 1999-01-28 2007-11-08 Alcatel Lucent Leistungsverstärkervorrichtung
US6229390B1 (en) * 1999-03-09 2001-05-08 Tripath Technology, Inc. Methods and apparatus for noise shaping a mixed signal power output
US6373340B1 (en) 2000-08-14 2002-04-16 K. S. Waves, Ltd. High-efficiency audio power amplifier
US6496059B1 (en) 2000-11-17 2002-12-17 Tranh T. Nguyen Clas-N amplifer
US6486643B2 (en) * 2000-11-30 2002-11-26 Analog Technologies, Inc. High-efficiency H-bridge circuit using switched and linear stages
JP3820947B2 (ja) * 2001-09-21 2006-09-13 ヤマハ株式会社 Ｄ級増幅器
DE60334600D1 (de) * 2002-12-17 2010-12-02 Ask Ind Spa Audioleistungsverstärker
JP4072765B2 (ja) * 2003-05-12 2008-04-09 日本ビクター株式会社 電力増幅回路

Similar Documents

Publication Publication Date Title
US9225303B1 (en) Method and apparatus for Class AB audio amplifier output stage voltage protection
JP2008511247A5 (https=)
GB2451536B (en) Amplifier circuit and method of amplying a signal in an amplifier circuit
DE60327052D1 (de) Verarbeitungssystem für Stereo Audiosignale
TW200943697A (en) Compensating for non-linear capacitance effects in a power amplifier
DK2317778T3 (da) Høreapparat og fremgangsmåde til at anvende forstærkningsbegrænsning i et høreapparat
ATE413017T1 (de) Mehrstufiges komparatorsystem und -verfahren mit schneller erholungszeit und geringem offset
JP2016504004A5 (https=)
SE0700315L (sv) Ljudåtergivningssystem
ATE447257T1 (de) Dynamisch vorgespannter verstärker
US10404248B2 (en) Calibration of a dual-path pulse width modulation system
TW200618458A (en) An amplifier system and method
SG131904A1 (en) Amplifiers with compensation
WO2008028034A3 (en) High speed, high current gain voltage buffer and method
JP6925695B2 (ja) 音声増幅器
WO2006030363A3 (en) Arrangement for pulse-width modulating an input signal
TW200607227A (en) Method and apparatus for self-oscillating differential feedback class-d amplifier
KR101601381B1 (ko) 차량용 오디오 시스템 및 그 음향 출력 방법
KR20200003401A (ko) 증폭기 공급 전압을 사용한 증폭기 오프셋 상쇄
TW200713798A (en) Wide dynamic range switching variable gain amplifier and control
TW200707897A (en) Amplifier circuit having a compensating amplifier unit for improving loop gain and linearity
ATE364928T1 (de) Verstärkerschaltung zur erhöhung der empfindlichkeit der eingangsstufe
DE602005011605D1 (de) Plopgeräusch-vermeidung für einen verstärker
WO2005053150A3 (en) An operational amplifier selecting one of inputs, and an amplifying apparatus using the op amplifier the verification method
WO2010021803A3 (en) Two wire autobias vehicular microphone system having user input functionality and method of forming same