ATE362218T1 - Schaltungen und verfahren zum kompensieren von schaltverstärkern - Google Patents

Schaltungen und verfahren zum kompensieren von schaltverstärkern

Info

Publication number
ATE362218T1
ATE362218T1 AT02756873T AT02756873T ATE362218T1 AT E362218 T1 ATE362218 T1 AT E362218T1 AT 02756873 T AT02756873 T AT 02756873T AT 02756873 T AT02756873 T AT 02756873T AT E362218 T1 ATE362218 T1 AT E362218T1
Authority
AT
Austria
Prior art keywords
transfer function
adaptive filter
inverse transfer
output
switching amplifier
Prior art date
Application number
AT02756873T
Other languages
English (en)
Inventor
John Laurence Melanson
Original Assignee
Cirrus Logic 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 Cirrus Logic Inc filed Critical Cirrus Logic Inc
Application granted granted Critical
Publication of ATE362218T1 publication Critical patent/ATE362218T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—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
    • 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
    • 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
    • H03F3/2178—Class D power amplifiers; Switching amplifiers using more than one switch or switching amplifier in parallel or in series
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier
AT02756873T 2001-08-10 2002-08-01 Schaltungen und verfahren zum kompensieren von schaltverstärkern ATE362218T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/927,808 US6593806B1 (en) 2001-08-10 2001-08-10 Circuits and methods for compensating switched mode amplifiers

Publications (1)

Publication Number Publication Date
ATE362218T1 true ATE362218T1 (de) 2007-06-15

Family

ID=25455284

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02756873T ATE362218T1 (de) 2001-08-10 2002-08-01 Schaltungen und verfahren zum kompensieren von schaltverstärkern

Country Status (6)

Country Link
US (1) US6593806B1 (de)
EP (1) EP1425850B1 (de)
JP (1) JP2004538701A (de)
AT (1) ATE362218T1 (de)
DE (1) DE60220071T2 (de)
WO (1) WO2003015263A1 (de)

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JP3896894B2 (ja) * 2002-05-13 2007-03-22 ソニー株式会社 電力増幅装置
US7248649B2 (en) * 2003-06-25 2007-07-24 Interdigital Technology Corporation Digital baseband receiver including a time domain compensation module for suppressing group delay variation distortion incurred due to analog low pass filter deficiencies
US6885330B2 (en) * 2003-09-05 2005-04-26 Cirrus Logic, Inc. Data converters with ternary pulse width modulation output stages and methods and systems using the same
JP2005142983A (ja) * 2003-11-10 2005-06-02 Sony Corp 電力増幅回路
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
JP2006180198A (ja) * 2004-12-22 2006-07-06 Alpine Electronics Inc デジタルアンプ搭載装置
KR100565103B1 (ko) * 2005-05-10 2006-03-30 (주)유비아이사운드 스위칭 증폭기에서의 출력 펄스 폭 변조 방법 및 그 장치
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US7312654B2 (en) * 2005-12-20 2007-12-25 Freescale Semiconductor, Inc. Quiet power up and power down of a digital audio amplifier
US7576606B2 (en) * 2007-07-25 2009-08-18 D2Audio Corporation Digital PWM amplifier having a low delay corrector
US7286009B2 (en) * 2005-12-30 2007-10-23 D2Audio Corporation Digital PWM amplifier with simulation-based feedback
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
ITMI20070009A1 (it) 2007-01-05 2008-07-06 St Microelectronics Srl Un sistema elettronico interattivo di intrattenimento
DE102007007357B4 (de) 2007-02-14 2018-06-21 Infineon Technologies Ag Integrierte Schaltungsanordnung
KR100858292B1 (ko) * 2007-02-26 2008-09-11 (주)유비아이사운드 기동소음을 감소시키는 스위칭 증폭 드라이버 및 상기스위칭 증폭 드라이버를 구비하는 오디오 증폭기
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US7728658B2 (en) * 2007-07-25 2010-06-01 D2Audio Corporation Low-noise, low-distortion digital PWM amplifier
CN103069714B (zh) * 2010-08-13 2016-05-04 皇家飞利浦电子股份有限公司 切换模式的供电设备和方法
KR20140026458A (ko) 2011-04-08 2014-03-05 파커비전, 인크. Ｒｆ 전력 송신, 변조 및 증폭 시스템들 및 방법들
EP2715867A4 (de) 2011-06-02 2014-12-17 Parkervision Inc Antennensteuerung
US20150080063A1 (en) 2013-09-17 2015-03-19 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time
US9319011B2 (en) * 2014-04-21 2016-04-19 Taiwan Semiconductor Manufacturing Company, Ltd. Class-D amplifier having mixed signal feedback control
WO2016208410A1 (ja) * 2015-06-22 2016-12-29 株式会社日立国際電気 電力増幅装置
GB2563094A (en) 2017-06-02 2018-12-05 Cirrus Logic Int Semiconductor Ltd Audio amplifiers
GB2563092A (en) * 2017-06-02 2018-12-05 Cirrus Logic Int Semiconductor Ltd Audio amplifiers
IT201900005268A1 (it) 2019-04-05 2020-10-05 Wise S R L Dispositivo per elettroterapia e/o elettrofisiologia, kit e assieme
US11539331B2 (en) 2021-04-12 2022-12-27 Cirrus Logic, Inc. Signal amplitude-selected signal predistortion in an amplifier

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US4831334A (en) * 1987-06-08 1989-05-16 Hughes Aircraft Company Envelope amplifier
EP0465709A1 (de) * 1990-07-12 1992-01-15 Thomcast Ag Verfahren zur Kompensation von Nichtlinearitäten einer Verstärkerschaltung
US5132637A (en) * 1991-03-25 1992-07-21 Harris Corporation RF power amplifier system having improved distortion reduction
FR2705844B1 (fr) * 1993-05-28 1995-07-21 Thomson Csf Procédé et dispositif de modulation en amplitude d'un signal radiofréquence.
US5438694A (en) * 1993-08-09 1995-08-01 Motorola, Inc. Distortion compensation for a pulsewidth-modulated circuit
JP2967699B2 (ja) * 1995-03-06 1999-10-25 日本電気株式会社 送信装置
US5617058A (en) 1995-11-13 1997-04-01 Apogee Technology, Inc. Digital signal processing for linearization of small input signals to a tri-state power switch
US5959499A (en) * 1997-09-30 1999-09-28 Motorola, Inc. Predistortion system and method using analog feedback loop for look-up table training
US5886573A (en) 1998-03-06 1999-03-23 Fujant, Inc. Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier
US6078216A (en) * 1998-03-31 2000-06-20 Spectrian Corporation Aliased wide band performance monitor for adjusting predistortion and vector modulator control parameters of RF amplifier
US6054896A (en) * 1998-12-17 2000-04-25 Datum Telegraphic Inc. Controller and associated methods for a linc linear power amplifier
US6342810B1 (en) * 1999-07-13 2002-01-29 Pmc-Sierra, Inc. Predistortion amplifier system with separately controllable amplifiers
GB2357915B (en) * 1999-12-30 2001-12-05 John Francis Hope A scheme for correcting distortion in an all-digital power amplifier
ATE522023T1 (de) * 2000-01-07 2011-09-15 Powerwave Technologies Inc Trägerunterdrückungsmechanismus für einen abtastdetector zum messen und korrigieren der verzerrung des hf-leistungsverstärkers
US6373334B1 (en) 2000-06-12 2002-04-16 Cirrus Logic, Inc. Real time correction of a digital PWM amplifier

Also Published As

Publication number Publication date
DE60220071T2 (de) 2008-01-10
US6593806B1 (en) 2003-07-15
EP1425850A1 (de) 2004-06-09
DE60220071D1 (de) 2007-06-21
JP2004538701A (ja) 2004-12-24
EP1425850A4 (de) 2005-12-07
WO2003015263A1 (en) 2003-02-20
EP1425850B1 (de) 2007-05-09

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Legal Events

Date Code Title Description
EEK Proclamation as to paragraph 128 patent law
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties