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DE60220071D1 - Schaltungen und verfahren zum kompensieren von schaltverstärkern - Google Patents

Schaltungen und verfahren zum kompensieren von schaltverstärkern

Info

Publication number
DE60220071D1
DE60220071D1 DE60220071T DE60220071T DE60220071D1 DE 60220071 D1 DE60220071 D1 DE 60220071D1 DE 60220071 T DE60220071 T DE 60220071T DE 60220071 T DE60220071 T DE 60220071T DE 60220071 D1 DE60220071 D1 DE 60220071D1
Authority
DE
Germany
Prior art keywords
transfer function
adaptive filter
inverse transfer
output
circuits
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
DE60220071T
Other languages
English (en)
Other versions
DE60220071T2 (de
Inventor
John Laurence Melanson
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.)
Cirrus Logic Inc
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
Publication of DE60220071D1 publication Critical patent/DE60220071D1/de
Application granted granted Critical
Publication of DE60220071T2 publication Critical patent/DE60220071T2/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE60220071T 2001-08-10 2002-08-01 Schaltungen und verfahren zum kompensieren von schaltverstärkern Expired - Lifetime DE60220071T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US927808 2001-08-10
US09/927,808 US6593806B1 (en) 2001-08-10 2001-08-10 Circuits and methods for compensating switched mode amplifiers
PCT/US2002/024397 WO2003015263A1 (en) 2001-08-10 2002-08-01 Circuits and methods for compensating switched mode amplifiers

Publications (2)

Publication Number Publication Date
DE60220071D1 true DE60220071D1 (de) 2007-06-21
DE60220071T2 DE60220071T2 (de) 2008-01-10

Family

ID=25455284

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60220071T Expired - Lifetime DE60220071T2 (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)

Families Citing this family (33)

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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
US7286009B2 (en) * 2005-12-30 2007-10-23 D2Audio Corporation Digital PWM amplifier with simulation-based feedback
US7576606B2 (en) * 2007-07-25 2009-08-18 D2Audio Corporation Digital PWM amplifier having a low delay corrector
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
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
ITMI20070009A1 (it) 2007-01-05 2008-07-06 St Microelectronics Srl Un sistema elettronico interattivo di intrattenimento
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
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
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
RU2571393C2 (ru) 2010-08-13 2015-12-20 Конинклейке Филипс Электроникс Н.В. Устройство и способ подачи мощности в переключаемом режиме
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
EP2715867A4 (de) 2011-06-02 2014-12-17 Parkervision Inc Antennensteuerung
EP4538829A3 (de) 2013-09-17 2025-06-25 Parkervision, Inc. Verfahren, vorrichtung und system zur darstellung einer informationstragenden zeitfunktion
US9319011B2 (en) 2014-04-21 2016-04-19 Taiwan Semiconductor Manufacturing Company, Ltd. Class-D amplifier having mixed signal feedback control
US10250205B2 (en) 2015-06-22 2019-04-02 Hitachi Kokusai Electric Inc. Power amplifying device
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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US4178557A (en) * 1978-12-15 1979-12-11 Bell Telephone Laboratories, Incorporated Linear amplification with nonlinear devices
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
WO2001052408A1 (en) * 2000-01-07 2001-07-19 Spectrian Corporation Carrier-blanking mechanism for sweeping detector used to measure and correct rf power amplifier distortion
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
EP1425850A1 (de) 2004-06-09
US6593806B1 (en) 2003-07-15
EP1425850B1 (de) 2007-05-09
WO2003015263A1 (en) 2003-02-20
EP1425850A4 (de) 2005-12-07
JP2004538701A (ja) 2004-12-24
ATE362218T1 (de) 2007-06-15
DE60220071T2 (de) 2008-01-10

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Legal Events

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