ATE335303T1 - Zeitlich gemultiplexter pwm-verstärker - Google Patents

Zeitlich gemultiplexter pwm-verstärker

Info

Publication number
ATE335303T1
ATE335303T1 AT02769051T AT02769051T ATE335303T1 AT E335303 T1 ATE335303 T1 AT E335303T1 AT 02769051 T AT02769051 T AT 02769051T AT 02769051 T AT02769051 T AT 02769051T AT E335303 T1 ATE335303 T1 AT E335303T1
Authority
AT
Austria
Prior art keywords
channel
time multiplexed
common conductor
signal
pwm amplifier
Prior art date
Application number
AT02769051T
Other languages
English (en)
Inventor
Michael S Danielson
Original Assignee
Apogee Technology 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 Apogee Technology Inc filed Critical Apogee Technology Inc
Application granted granted Critical
Publication of ATE335303T1 publication Critical patent/ATE335303T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3264—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits in audio amplifiers
    • 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
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
AT02769051T 2001-11-12 2002-10-11 Zeitlich gemultiplexter pwm-verstärker ATE335303T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/054,144 US6552607B1 (en) 2001-11-12 2001-11-12 Time division multiplexed PWM amplifier

Publications (1)

Publication Number Publication Date
ATE335303T1 true ATE335303T1 (de) 2006-08-15

Family

ID=21989039

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02769051T ATE335303T1 (de) 2001-11-12 2002-10-11 Zeitlich gemultiplexter pwm-verstärker

Country Status (6)

Country Link
US (1) US6552607B1 (de)
EP (1) EP1456942B1 (de)
JP (2) JP4185456B2 (de)
AT (1) ATE335303T1 (de)
DE (1) DE60213659T2 (de)
WO (1) WO2003043184A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602004006974T2 (de) * 2003-03-10 2008-02-28 Koninklijke Philips Electronics N.V. Dreizustands-klasse-d-verstärker
US7145300B2 (en) * 2003-05-05 2006-12-05 International Rectifier Corporation Multi-axis AC servo control system and method
EP1487100A1 (de) * 2003-06-09 2004-12-15 STMicroelectronics S.r.l. Mehrkanal-Leistungsverstärker mit kanalunabhängigem selbstkonfigurierendem Ausgang in Eintaktanordnung oder in Brückenanordnung, insbesondere für Audioanwendungen
EP1496611A1 (de) * 2003-07-09 2005-01-12 STMicroelectronics S.r.l. Selbstkonfigurierender Mehrkanal-Leistungsverstärker in Eintaktanordnung oder in Brückenanordnung, insbesondere für Audioanwendungen
US7298209B1 (en) 2003-11-06 2007-11-20 Marvell World Trade Ltd. Class D amplifier
US7190224B2 (en) * 2003-11-06 2007-03-13 Marvell World Trade Ltd. Class D amplifier
WO2005101650A1 (en) * 2004-04-14 2005-10-27 Gpe International Ltd. Digital amplifier and methods for enhancing resolution and dynamic range of a digital amplifier
WO2005117253A1 (en) * 2004-05-28 2005-12-08 Tc Electronic A/S Pulse width modulator system
DE102004037856B4 (de) * 2004-08-04 2006-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sprachkonferenzvorrichtung, Sprachkonferenzsystem und Verfahren zur Realisierung einer Sprachkonferenz
US7023269B2 (en) * 2004-09-08 2006-04-04 Gpe International Limited Digital amplifier and methods for enhancing resolution and dynamic range of a digital amplifier
JP2007166190A (ja) * 2005-12-13 2007-06-28 Matsushita Electric Ind Co Ltd Ｄ級アンプ
US8081785B2 (en) * 2006-03-21 2011-12-20 Fairchild Semiconductor Corporation High efficiency converter providing switching amplifier bias
US8081777B2 (en) * 2006-03-21 2011-12-20 Fairchild Semiconductor Corporation Volume-based adaptive biasing
KR100626987B1 (ko) * 2006-06-19 2006-09-22 (주)유비아이사운드 헤드폰 드라이버 및 헤드폰 드라이버 구동방법
US7391346B1 (en) 2007-02-05 2008-06-24 Sigmatel, Inc. Switching amplifier system and method
JP4865667B2 (ja) * 2007-10-09 2012-02-01 旭化成エレクトロニクス株式会社 スピーカ用駆動装置及びスイッチングアンプ
US8625820B2 (en) * 2007-11-16 2014-01-07 Freescale Semiconductor, Inc. Amplifier circuit audio circuit and electronic device
US7598895B1 (en) * 2008-04-01 2009-10-06 Silicon Laboratories, Inc. System and method of altering a PWM carrier power spectrum
US7791521B2 (en) * 2008-04-01 2010-09-07 Silicon Laboratories, Inc. System and method of changing a PWM power spectrum
US7701307B2 (en) * 2008-04-01 2010-04-20 Silicon Laboratories, Inc. System and method of changing a PWM power spectrum
US7986102B2 (en) * 2008-09-12 2011-07-26 General Electric Company Adjustable color solid state lighting
US8130128B2 (en) 2010-03-30 2012-03-06 Silicon Laboratores Inc. System and method for generating shaped noise
EP2393202B1 (de) * 2010-06-02 2014-10-15 Dialog Semiconductor B.V. Dreiweg-Audiotreiber und Verfahren zur Herstellung eines Dreiweg-Audioantriebssignals
CN103108891B (zh) 2010-09-24 2014-08-27 日本曹达株式会社 末端丙烯酸改性聚丁二烯或末端丙烯酸改性氢化聚丁二烯的制造方法以及含有它们的组合物
US10146732B2 (en) * 2013-01-22 2018-12-04 Apple Inc. Time-division multiplexed data bus interface
US10587232B2 (en) 2018-05-17 2020-03-10 Cirrus Logic, Inc. Class D amplifiers
CN110545082B (zh) * 2018-05-28 2023-06-16 晶豪科技股份有限公司 音频放大器的调制选择电路
CN113285683B (zh) * 2021-05-28 2025-06-24 珠海格力电器股份有限公司 一种功率放大器的控制装置、方法和磁悬浮系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119883A (en) * 1980-02-26 1981-09-19 Citizen Watch Co Ltd Sound timepiece
JPS5936422A (ja) * 1982-08-24 1984-02-28 Sanyo Electric Co Ltd スピ−カ駆動用ｄ／ａ変換器
JPS59107699A (ja) * 1982-12-13 1984-06-21 Toshiba Corp ステレオ再生装置
DE3416494A1 (de) * 1984-05-04 1985-11-07 Standard Elektrik Lorenz Ag, 7000 Stuttgart Wiedergabeanordnung fuer tonsignale
IT1241387B (it) * 1990-12-28 1994-01-10 Sgs Thomson Microelectronics Stadio amplificatore del tipo a doppio ponte per due segnali di ingresso, in particolare per applicazioni stereo
DE69314933T2 (de) * 1993-02-24 1998-06-10 St Microelectronics Srl Selbstkonfigurierbarer Doppelbrückenverstärker
US5382915A (en) * 1993-07-06 1995-01-17 Motorola, Inc. Pulsewidth-modulated amplifier having analog mode
DE69429660T2 (de) * 1994-10-07 2002-11-14 Stmicroelectronics S.R.L., Agrate Brianza Brückenverstärker mit hohem Wirkungsgrad
DE19525411A1 (de) * 1995-07-12 1997-01-16 Philips Patentverwaltung Signalverstärker
GB2310577A (en) * 1996-02-24 1997-08-27 Ford Motor Co Automatic switching amplifier
WO2000035082A1 (en) * 1998-12-08 2000-06-15 Koninklijke Philips Electronics N.V. Device for amplifying signals
US6294957B1 (en) * 2000-01-21 2001-09-25 Harris Corporation RF power amplifier having synchronous RF drive
JP2001244756A (ja) * 2000-03-01 2001-09-07 Nippon Columbia Co Ltd 電力増幅器

Also Published As

Publication number Publication date
EP1456942A4 (de) 2005-07-27
JP2005510107A (ja) 2005-04-14
EP1456942B1 (de) 2006-08-02
DE60213659D1 (de) 2006-09-14
EP1456942A1 (de) 2004-09-15
WO2003043184A1 (en) 2003-05-22
DE60213659T2 (de) 2007-07-26
US6552607B1 (en) 2003-04-22
JP2008187747A (ja) 2008-08-14
JP4185456B2 (ja) 2008-11-26
JP5032386B2 (ja) 2012-09-26

Similar Documents

Publication Publication Date Title
DE60213659D1 (de) Zeitlich gemultiplexter pwm-verstärker
WO2004059848A3 (en) Modulation of a digital input signal using a digital signal modulator and signal splitting
ATE279811T1 (de) Pulzreferiertes steuerverfahren für verbesserte leistungsverstärkung eines pulsmodulierten signals
ATE264569T1 (de) Pegelverschiebungsschaltung
GR1001619B (el) Παράγωγα ινδόλης.
ATE216158T1 (de) Ankoppeln von kommunikationssignalen an eine netzleitung
TW200605015A (en) Gate driving portion and display device having the same
DE60131755D1 (de) Digitaler klasse-d-audioverstärker
CA2402704A1 (en) System and method of producing direct audio from a power supply
SE9802498D0 (sv) Arrangement and method relating to radio communication
EP0226853A3 (en) Optical receiver
AU2001275158A1 (en) Multi-phase pulse width modulated voltage regulator
ATE341920T1 (de) Mikrofon mit zugeordnetem verstärker
SE9901233D0 (sv) Offsetkompensering i analog-digital-omvandlare
DK1101497T3 (da) Stabiliserende olieagtige præparationer af tobicillin (beta-lactam antibiotikum)
AU7760800A (en) Power booster amplifier
DE69011919D1 (de) Ausgangsstufe für einen Operationsverstärker.
ES470229A1 (es) Un sistema de amplificacion para senales de video y audiofrecuencia
TW429673B (en) Differential amplifying circuit and load driving circuit
SE8003864L (sv) Anordning for att mata signaler till en telefonledning
ATE421190T1 (de) Mehrkanaliges impulsmodulatorsystem
ATE162666T1 (de) Stabilisierter telefonkombinierer
WO1999046854A8 (en) A comb linear amplifier combiner (clac)
ATE345592T1 (de) Integrierte verstärkeranordnung
DE69303063D1 (de) Gegentaktausgangsstufe für integrierten Verstärker

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties