DE60133409D1 - Schalt-leistungsverstärker der e/f-klasse - Google Patents

Schalt-leistungsverstärker der e/f-klasse

Info

Publication number
DE60133409D1
DE60133409D1 DE60133409T DE60133409T DE60133409D1 DE 60133409 D1 DE60133409 D1 DE 60133409D1 DE 60133409 T DE60133409 T DE 60133409T DE 60133409 T DE60133409 T DE 60133409T DE 60133409 D1 DE60133409 D1 DE 60133409D1
Authority
DE
Germany
Prior art keywords
class
amplifiers
switching
impedances
discloses
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
DE60133409T
Other languages
English (en)
Other versions
DE60133409T2 (de
Inventor
Scott David Kee
Ichiro Aoki
Seyed-Ali Hajimiri
David Rutledge
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.)
California Institute of Technology CalTech
Original Assignee
California Institute of Technology CalTech
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 California Institute of Technology CalTech filed Critical California Institute of Technology CalTech
Application granted granted Critical
Publication of DE60133409D1 publication Critical patent/DE60133409D1/de
Publication of DE60133409T2 publication Critical patent/DE60133409T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217Class D power amplifiers; Switching amplifiers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217Class D power amplifiers; Switching amplifiers
    • H03F3/2173Class D power amplifiers; Switching amplifiers of the bridge type
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217Class D power amplifiers; Switching amplifiers
    • H03F3/2176Class E amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE60133409T 2000-10-10 2001-10-09 Schalt-leistungsverstärker der e/f-klasse Expired - Lifetime DE60133409T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23947300P 2000-10-10 2000-10-10
US239473P 2000-10-10
PCT/US2001/031808 WO2002031966A2 (en) 2000-10-10 2001-10-09 Class e/f switching power amplifiers

Publications (2)

Publication Number Publication Date
DE60133409D1 true DE60133409D1 (de) 2008-05-08
DE60133409T2 DE60133409T2 (de) 2008-07-24

Family

ID=22902282

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60133409T Expired - Lifetime DE60133409T2 (de) 2000-10-10 2001-10-09 Schalt-leistungsverstärker der e/f-klasse

Country Status (9)

Country Link
US (2) US6724255B2 (de)
EP (1) EP1344315B1 (de)
JP (2) JP5255744B2 (de)
KR (1) KR100852314B1 (de)
CN (1) CN1295865C (de)
AT (1) ATE390755T1 (de)
AU (1) AU2002213122A1 (de)
DE (1) DE60133409T2 (de)
WO (1) WO2002031966A2 (de)

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7180758B2 (en) * 1999-07-22 2007-02-20 Mks Instruments, Inc. Class E amplifier with inductive clamp
US6856199B2 (en) * 2000-10-10 2005-02-15 California Institute Of Technology Reconfigurable distributed active transformers
EP1400012B1 (de) 2000-10-10 2011-08-31 California Institute Of Technology Verteilte leistungsverstärkerarchitektur mit kreisförmiger geometrie
US6577199B2 (en) * 2000-12-07 2003-06-10 Ericsson, Inc. Harmonic matching network for a saturated amplifier
US7119623B2 (en) * 2002-02-01 2006-10-10 Koninklijke Philips Electronics N.V. Output circuit for a semiconductor amplifier element
TWI326967B (en) * 2002-03-11 2010-07-01 California Inst Of Techn Differential amplifier
DE10211609B4 (de) * 2002-03-12 2009-01-08 Hüttinger Elektronik GmbH & Co. KG Verfahren und Leistungsverstärker zur Erzeugung von sinusförmigen Hochfrequenzsignalen zum Betreiben einer Last
US6806767B2 (en) * 2002-07-09 2004-10-19 Anadigics, Inc. Power amplifier with load switching circuit
US7555057B2 (en) * 2003-01-17 2009-06-30 Texas Instruments Incorporated Predistortion calibration in a transceiver assembly
US6879209B2 (en) 2003-07-08 2005-04-12 Icefyre Semiconductor Corp. Switched-mode power amplifier using lumped element impedance inverter for parallel combining
GB0404121D0 (en) * 2004-02-25 2004-03-31 Univ Belfast Class E power amplifier circuit and associated transmitter circuits
JP4520204B2 (ja) * 2004-04-14 2010-08-04 三菱電機株式会社 高周波電力増幅器
US7660562B2 (en) * 2004-06-21 2010-02-09 M/A-Com Technology Solutions Holdings, Inc. Combined matching and filter circuit
US7457380B2 (en) * 2004-06-28 2008-11-25 Broadcom Corporation Low noise circuit and applications thereof
WO2006016299A1 (en) * 2004-08-09 2006-02-16 Koninklijke Philips Electronics N.V. Integrated f-class amplifier with output parasitic capacitance compensation
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
US7236053B2 (en) * 2004-12-31 2007-06-26 Cree, Inc. High efficiency switch-mode power amplifier
US7345539B2 (en) 2005-02-10 2008-03-18 Raytheon Company Broadband microwave amplifier
US7315212B2 (en) * 2005-04-13 2008-01-01 International Business Machines Corporation Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies
US7265619B2 (en) * 2005-07-06 2007-09-04 Raytheon Company Two stage microwave Class E power amplifier
US7548112B2 (en) * 2005-07-21 2009-06-16 Cree, Inc. Switch mode power amplifier using MIS-HEMT with field plate extension
US8334722B2 (en) 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US7411458B2 (en) * 2006-02-01 2008-08-12 Motorola, Inc. Method and apparatus for controlling an output voltage in a power amplifier
ATE515105T1 (de) * 2006-02-10 2011-07-15 Nxp Bv Leistungsverstärker
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
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
DE102006019887B4 (de) * 2006-04-28 2012-09-27 Infineon Technologies Ag Multifunktions-RF-Schaltung
JP4257346B2 (ja) * 2006-06-27 2009-04-22 株式会社東芝 電力増幅器
JP5085179B2 (ja) * 2007-04-12 2012-11-28 株式会社東芝 F級増幅回路
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2008156800A1 (en) 2007-06-19 2008-12-24 Parkervision, Inc. Combiner-less multiple input single output (miso) amplification with blended control
US8040185B2 (en) * 2007-07-05 2011-10-18 Telefonaktiebolaget L M Ericsson (Publ) Amplifying device
US7710197B2 (en) * 2007-07-11 2010-05-04 Axiom Microdevices, Inc. Low offset envelope detector and method of use
US7489202B1 (en) 2007-08-20 2009-02-10 Freescale Semiconductor, Inc. RF amplifier with stacked transistors, transmitting device, and method therefor
JP2009081605A (ja) * 2007-09-26 2009-04-16 Univ Of Electro-Communications 逆f級増幅回路
JP2009130472A (ja) * 2007-11-20 2009-06-11 Univ Of Electro-Communications 逆f級増幅回路
US7760018B2 (en) * 2007-12-31 2010-07-20 Tialinx, Inc. High-efficiency switching power amplifiers with low harmonic distortion
US7560994B1 (en) * 2008-01-03 2009-07-14 Samsung Electro-Mechanics Company Systems and methods for cascode switching power amplifiers
US7746173B1 (en) * 2008-04-30 2010-06-29 Triquint Semiconductor, Inc. Power amplifier with output harmonic resonators
WO2009149464A2 (en) * 2008-06-06 2009-12-10 University Of Florida Research Foundation, Inc. Method and apparatus for contactless power transfer
CN104953965B (zh) * 2008-09-01 2018-07-24 艾利森电话股份有限公司 混合类放大器
US8054135B2 (en) * 2008-12-05 2011-11-08 General Electric Company Class-E amplifier and lighting ballast using the amplifier
KR101042311B1 (ko) * 2009-01-15 2011-06-17 금오공과대학교 산학협력단 가변 역 e-급 증폭기
US20120194070A1 (en) * 2009-09-09 2012-08-02 Koninklijke Philips Electronics N.V. Operating an electrodeless discharge lamp
US8772975B2 (en) 2009-12-07 2014-07-08 Qualcomm Incorporated Apparatus and method for implementing a differential drive amplifier and a coil arrangement
WO2011084592A2 (en) * 2009-12-16 2011-07-14 Auriga Measurement Systems, LLC Amplifier circuit
US8344801B2 (en) * 2010-04-02 2013-01-01 Mks Instruments, Inc. Variable class characteristic amplifier
WO2012000129A1 (en) 2010-06-29 2012-01-05 Telefonaktiebolaget L M Ericsson (Publ) Multi-band power amplifier
KR101314145B1 (ko) * 2010-09-02 2013-10-04 삼성전자주식회사 공진 전력 전송 시스템의 전력 변환기 및 공진 전력 전송 장치
WO2012040879A1 (en) * 2010-09-30 2012-04-05 Telefonaktiebolaget Lm Ericsson (Publ) Multi-band switched-mode power amplifier
WO2012138795A1 (en) * 2011-04-04 2012-10-11 The Trustees Of Columbia University In The City Of New York Circuits for providing class-e power amplifiers
KR20140026458A (ko) 2011-04-08 2014-03-05 파커비전, 인크. Rf 전력 송신, 변조 및 증폭 시스템들 및 방법들
KR20140034895A (ko) 2011-06-02 2014-03-20 파커비전, 인크. 안테나 제어
WO2013066466A2 (en) * 2011-08-12 2013-05-10 Bae Systems Integration And Electronic Systems Integration Inc. Low voltage high efficiency gallium arsenide power amplifier
US8736368B2 (en) * 2011-08-16 2014-05-27 Qualcomm Incorporated Class E amplifier overload detection and prevention
JP5979559B2 (ja) 2011-08-29 2016-08-24 国立大学法人電気通信大学 高効率電力増幅器
US8717102B2 (en) * 2011-09-27 2014-05-06 Infineon Technologies Ag RF device with compensatory resonator matching topology
JP5773364B2 (ja) * 2011-11-09 2015-09-02 国立大学法人 千葉大学 Em級増幅器
JP6156148B2 (ja) * 2011-11-17 2017-07-05 日本電気株式会社 逆f級増幅回路及び逆f級増幅回路の寄生回路補償方法
US8816769B2 (en) * 2012-07-31 2014-08-26 Intel Mobile Communications GmbH Differential stacked output stage for power amplifiers
GB201215152D0 (en) 2012-08-24 2012-10-10 Imp Innovations Ltd Maximising DC to load efficiency for inductive power transfer
GB201303849D0 (en) * 2012-12-31 2013-04-17 Continental Automotive Systems Tuned power amplifier with multiple loaded chokes for inductively heated fuel injectors
GB201301208D0 (en) * 2012-12-31 2013-03-06 Continental Automotive Systems Turned power amplifier with loaded choke for inductively heated fuel injector
CN103337964A (zh) * 2013-04-27 2013-10-02 南京航空航天大学 一种超高频隔离推挽谐振功率变换器
US9024691B2 (en) * 2013-05-17 2015-05-05 Georgia Tech Research Corporation Adaptive power amplifier and methods of making same
GB201321267D0 (en) 2013-12-02 2014-01-15 Imp Innovations Ltd Inductive power transfer system
EP3047348A4 (de) 2013-09-17 2016-09-07 Parkervision Inc Verfahren, vorrichtung und system für die darstellung einer datenträgerzeitfunktion
CN103684271A (zh) * 2013-11-22 2014-03-26 小米科技有限责任公司 提高射频功率放大器效率的装置和方法
US10063197B2 (en) 2014-03-05 2018-08-28 The Trustees Of Columbia University In The City Of New York Circuits for power-combined power amplifier arrays
US9503025B2 (en) 2014-07-11 2016-11-22 Skyworks Solutions, Inc. Power amplifier with termination circuit and resonant circuit
CN105471393B (zh) * 2014-09-12 2018-12-18 通用电气公司 以零电压开关及热平衡控制算法运作的开关放大器
US9614541B2 (en) 2014-10-01 2017-04-04 The Trustees Of Columbia University In The City Of New York Wireless-transmitter circuits including power digital-to-amplitude converters
EP3219017B1 (de) * 2014-10-03 2021-11-10 Short Circuit Technologies LLC Transformatorbasiertes impedanzanpassungsnetzwerk
JP6336504B2 (ja) 2015-03-31 2018-06-06 スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. 多重帯域電力増幅器
CN104953966B (zh) * 2015-06-16 2018-05-18 深圳市华讯方舟微电子科技有限公司 一种e类功率放大器的补偿电路及其器件参数获取方法
CN105048971B (zh) * 2015-09-11 2019-03-08 上海无线电设备研究所 基于开关谐振结构的高效率Doherty功率放大器实现方法
US9929704B2 (en) * 2015-12-14 2018-03-27 Qualcomm Incorporated Class E2 amplifier
US10170940B2 (en) * 2016-05-04 2019-01-01 Imperial Innovations Limited Wireless power transfer system
US9673766B1 (en) * 2016-05-18 2017-06-06 Nxp Usa, Inc. Class F amplifiers using resonant circuits in an output matching network
JP2017208729A (ja) 2016-05-19 2017-11-24 株式会社村田製作所 電力増幅モジュール
JP6787071B2 (ja) * 2016-11-21 2020-11-18 Tdk株式会社 電力変換装置
DE102017208917A1 (de) * 2017-05-26 2018-11-29 TRUMPF Hüttinger GmbH + Co. KG Hochfrequenzverstärkeranordnung und Verfahren zur Auslegung einer Hochfrequenzverstärkeranordnung
JP6812911B2 (ja) * 2017-06-22 2021-01-13 Tdk株式会社 電力変換装置
US10381988B2 (en) * 2017-09-15 2019-08-13 Qualcomm Incorporated Methods and apparatuses for ruggedizing a power amplifier against breakdown using harmonic tuning
US10714985B2 (en) * 2017-10-11 2020-07-14 Spark Connected LLC Wireless power transfer system and method
EP3783788B1 (de) 2018-04-20 2023-05-10 Nissan Motor Co., Ltd. Verfahren zur steuerung eines resonanzleistungswandlers und resonanzleistungswandler
EP3562036B1 (de) * 2018-04-26 2021-02-24 Nxp B.V. Leistungsverstärker
CN108923755B (zh) * 2018-06-12 2022-01-28 合肥工业大学 一种带减压负载电路的小直流馈电电感e类功率放大器
US10784822B2 (en) * 2018-12-19 2020-09-22 Nxp Usa, Inc. High power radio frequency amplifiers and methods of manufacture thereof
US10784821B2 (en) 2018-12-19 2020-09-22 Nxp Usa, Inc. High power radio frequency amplifiers and methods of manufacture thereof
US11515123B2 (en) * 2018-12-21 2022-11-29 Advanced Energy Industries, Inc. Apparatus and system for modulated plasma systems
KR102501647B1 (ko) 2019-01-10 2023-02-20 삼성전자 주식회사 출력단에서 발생하는 로컬 주파수 신호를 감소시키기 위한 믹서
US11469724B2 (en) * 2020-11-09 2022-10-11 Aira, Inc. Free-boost class-e amplifier
WO2022265728A2 (en) * 2021-04-25 2022-12-22 University Of Southern California Millimeter-wave class ef power amplifier with concurrent harmonic and subharmonic tuning

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430157A (en) 1966-11-10 1969-02-25 John W Wood High efficiency class c amplifier
US3919656A (en) 1973-04-23 1975-11-11 Nathan O Sokal High-efficiency tuned switching power amplifier
US4667305A (en) * 1982-06-30 1987-05-19 International Business Machines Corporation Circuits for accessing a variable width data bus with a variable width data field
US4607323A (en) 1984-04-17 1986-08-19 Sokal Nathan O Class E high-frequency high-efficiency dc/dc power converter
US4644532A (en) * 1985-06-10 1987-02-17 International Business Machines Corporation Automatic update of topology in a hybrid network
US4717884A (en) 1986-04-14 1988-01-05 Motorola, Inc. High efficiency RF power amplifier
JPH0682998B2 (ja) * 1986-07-30 1994-10-19 日本電信電話株式会社 電力増幅器
US4747100A (en) * 1986-08-11 1988-05-24 Allen-Bradley Company, Inc. Token passing network utilizing active node table
US4864563A (en) * 1989-01-09 1989-09-05 E-Systems, Inc. Method for establishing and maintaining a nodal network in a communication system
US5276912A (en) * 1990-02-06 1994-01-04 Motorola, Inc. Radio frequency power amplifier having variable output power
JPH0732335B2 (ja) 1990-11-16 1995-04-10 日本電信電話株式会社 高周波増幅器
WO1993026140A1 (en) * 1992-06-05 1993-12-23 Diablo Research Corporation Electrodeless discharge lamp containing push-pull class e amplifier and bifilar coil
US5327337A (en) * 1992-09-01 1994-07-05 Broadcast Electronics, Inc. Resonant push-pull switching power amplifier
JP2831257B2 (ja) * 1994-01-26 1998-12-02 松下電工株式会社 E級プッシュプル電力増幅回路
JP2616464B2 (ja) * 1994-10-31 1997-06-04 日本電気株式会社 高効率電力増幅回路
JPH08148949A (ja) * 1994-11-18 1996-06-07 Fujitsu Ltd 高周波増幅器
JP3145640B2 (ja) * 1996-08-16 2001-03-12 日本無線株式会社 スイッチング電力増幅器
DE19731691C1 (de) * 1997-07-23 1998-10-08 Siemens Ag Leistungs-Schaltverstärker
JPH1146122A (ja) * 1997-07-28 1999-02-16 Japan Radio Co Ltd スイッチング電力増幅回路
US5969575A (en) * 1997-12-11 1999-10-19 Alcatel Class A/F amplifier having second and third order harmonic input and output filtering and self bias distortion correction
TR200002850T2 (tr) * 1998-04-02 2000-12-21 Ericsson Inc. Melez chireix/doherty amplifikatörlerinin güç dalga biçimi sentezi.
US6285251B1 (en) * 1998-04-02 2001-09-04 Ericsson Inc. Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control
JP3888785B2 (ja) * 1998-09-28 2007-03-07 三菱電機株式会社 高周波電力増幅器
US6232841B1 (en) * 1999-07-01 2001-05-15 Rockwell Science Center, Llc Integrated tunable high efficiency power amplifier

Also Published As

Publication number Publication date
DE60133409T2 (de) 2008-07-24
ATE390755T1 (de) 2008-04-15
JP2011101408A (ja) 2011-05-19
US6784732B2 (en) 2004-08-31
EP1344315A2 (de) 2003-09-17
CN1479969A (zh) 2004-03-03
JP5255744B2 (ja) 2013-08-07
US20040113689A1 (en) 2004-06-17
WO2002031966A2 (en) 2002-04-18
US20020101284A1 (en) 2002-08-01
KR100852314B1 (ko) 2008-08-18
US6724255B2 (en) 2004-04-20
EP1344315B1 (de) 2008-03-26
CN1295865C (zh) 2007-01-17
JP2004520730A (ja) 2004-07-08
JP5318083B2 (ja) 2013-10-16
WO2002031966A3 (en) 2002-08-08
AU2002213122A1 (en) 2002-04-22
KR20040004398A (ko) 2004-01-13

Similar Documents

Publication Publication Date Title
DE60133409D1 (de) Schalt-leistungsverstärker der e/f-klasse
ATE487271T1 (de) Zusammengesetzter leistungsverstärker
KR101368251B1 (ko) 오디오 전력 변환 시스템
SE0100063D0 (sv) Förstärkare
FI104864B (fi) Suuntauserotin/kytkentäpiiri keskitaajuuskantovirtoja varten pienjännitesähkölinjassa
DE50104527D1 (de) Hochspannungs-Gleichstromwandler
WO2003049145A3 (en) Switched-mode power amplifier integrally performing power combining
ATE526733T1 (de) Hocheffizienter unrichter zur bereitstellung einer schaltverstärkervorspannung
ATE484096T1 (de) Gleichstrom-aufwärts-/abwärts-wandler
AU2002227013A1 (en) Envelope restoration scheme for linear high-efficiency power amplification
ATE518301T1 (de) Ein leistungsverstärkermodul mit verzerrungskompensation
DE602004003586D1 (de) Schutzsystem für mittelspannung- spannungswandler
EP1331730A3 (de) Abgestimmter Schaltverstärker mit einer Übertragungsleitung
BR0012751A (pt) Benzofuranos serotonérgicos
ATE280169T1 (de) Serotonerge benzothiophene
AU2003260419A1 (en) Transformer
DE60316555D1 (de) Ladungspumpeschaltung
MY135177A (en) Clamp-on ct
BR9902583A (pt) Rede de comutação e método de reduzir distorção harmÈnica total de corrente de entrada para um conversor de impulso
AU2002231051A1 (en) Multiplexed input envelope restoration scheme for linear high-efficiency power amplification
ATE400922T1 (de) Stromgesteuerter leistungsverstärker
ATE291289T1 (de) Resonanzumsetzer
TW200409452A (en) Isolated converter with synchronized switching leg
TW200605484A (en) Power converter
EP1777814A2 (de) Verfahren und Vorrichtung zur Umschaltung zwischen Klasse-A-Betrieb und Klasse-A/B-Betrieb eines Leistungsverstärkers

Legal Events

Date Code Title Description
8364 No opposition during term of opposition