DE69729466D1 - Mehrstufiger linearer leistungsverstärker mit hohem wirkungsgrad - Google Patents

Mehrstufiger linearer leistungsverstärker mit hohem wirkungsgrad

Info

Publication number
DE69729466D1
DE69729466D1 DE69729466T DE69729466T DE69729466D1 DE 69729466 D1 DE69729466 D1 DE 69729466D1 DE 69729466 T DE69729466 T DE 69729466T DE 69729466 T DE69729466 T DE 69729466T DE 69729466 D1 DE69729466 D1 DE 69729466D1
Authority
DE
Germany
Prior art keywords
high efficiency
stage linear
linear performance
performance amplifier
amplifier
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
DE69729466T
Other languages
English (en)
Other versions
DE69729466T2 (de
Inventor
Eugene Sigmon
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.)
Motorola Mobility LLC
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of DE69729466D1 publication Critical patent/DE69729466D1/de
Application granted granted Critical
Publication of DE69729466T2 publication Critical patent/DE69729466T2/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
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • 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
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
DE69729466T 1996-10-15 1997-08-13 Mehrstufiger linearer leistungsverstärker mit hohem wirkungsgrad Expired - Lifetime DE69729466T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/730,045 US5786727A (en) 1996-10-15 1996-10-15 Multi-stage high efficiency linear power amplifier and method therefor
US730045 1996-10-15
PCT/US1997/014392 WO1998016997A1 (en) 1996-10-15 1997-08-13 Multi-stage high efficiency linear power amplifier

Publications (2)

Publication Number Publication Date
DE69729466D1 true DE69729466D1 (de) 2004-07-15
DE69729466T2 DE69729466T2 (de) 2004-11-11

Family

ID=24933681

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69729466T Expired - Lifetime DE69729466T2 (de) 1996-10-15 1997-08-13 Mehrstufiger linearer leistungsverstärker mit hohem wirkungsgrad

Country Status (7)

Country Link
US (1) US5786727A (de)
EP (1) EP0932933B1 (de)
JP (1) JP4027988B2 (de)
KR (1) KR100306722B1 (de)
DE (1) DE69729466T2 (de)
TW (1) TW399362B (de)
WO (1) WO1998016997A1 (de)

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US7148746B2 (en) * 2004-10-26 2006-12-12 Andrew Corporation High efficiency amplifier
US7295065B2 (en) * 2004-11-18 2007-11-13 Beecem Communications Inc. High efficiency doherty amplifier with a segmented main amplifier
JP4387936B2 (ja) * 2004-12-13 2009-12-24 株式会社東芝 高周波用のドハティ型の高効率増幅器、およびその信号処理方法
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US20060267689A1 (en) * 2005-05-24 2006-11-30 Intel Corporation Parallel power amplifier apparatus, method, and system
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US8334722B2 (en) 2007-06-28 2012-12-18 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
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US7362170B2 (en) * 2005-12-01 2008-04-22 Andrew Corporation High gain, high efficiency power amplifier
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US8125399B2 (en) 2006-01-14 2012-02-28 Paratek Microwave, Inc. Adaptively tunable antennas incorporating an external probe to monitor radiated power
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
KR101083920B1 (ko) * 2006-08-11 2011-11-15 엘지에릭슨 주식회사 다중 입출력 경로 도허티 증폭기
US8299867B2 (en) 2006-11-08 2012-10-30 Research In Motion Rf, Inc. Adaptive impedance matching module
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US7714676B2 (en) 2006-11-08 2010-05-11 Paratek Microwave, Inc. Adaptive impedance matching apparatus, system and method
US7813777B2 (en) * 2006-12-12 2010-10-12 Paratek Microwave, Inc. Antenna tuner with zero volts impedance fold back
WO2008136080A1 (ja) * 2007-04-20 2008-11-13 Fujitsu Limited 増幅装置
US7917104B2 (en) 2007-04-23 2011-03-29 Paratek Microwave, Inc. Techniques for improved adaptive impedance matching
US8213886B2 (en) 2007-05-07 2012-07-03 Paratek Microwave, Inc. Hybrid techniques for antenna retuning utilizing transmit and receive power information
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US7991363B2 (en) 2007-11-14 2011-08-02 Paratek Microwave, Inc. Tuning matching circuits for transmitter and receiver bands as a function of transmitter metrics
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EP2159912A1 (de) * 2008-08-29 2010-03-03 Alcatel, Lucent Mehrband-Doherty-Verstärker
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CN101534093B (zh) * 2009-04-14 2011-08-10 武汉正维电子技术有限公司 用于移动通信基站系统功率放大器的末级三路功率合成放大电路
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EP2339746B1 (de) * 2009-12-15 2013-02-20 Nxp B.V. Doherty-Verstärker mit zusammengesetzter Übertragungseigenschaft mit mehreren Spitzenverstärkern
US8803631B2 (en) 2010-03-22 2014-08-12 Blackberry Limited Method and apparatus for adapting a variable impedance network
US8860525B2 (en) 2010-04-20 2014-10-14 Blackberry Limited Method and apparatus for managing interference in a communication device
US9379454B2 (en) 2010-11-08 2016-06-28 Blackberry Limited Method and apparatus for tuning antennas in a communication device
US8712340B2 (en) 2011-02-18 2014-04-29 Blackberry Limited Method and apparatus for radio antenna frequency tuning
US8655286B2 (en) 2011-02-25 2014-02-18 Blackberry Limited Method and apparatus for tuning a communication device
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US8626083B2 (en) 2011-05-16 2014-01-07 Blackberry Limited Method and apparatus for tuning a communication device
US8594584B2 (en) 2011-05-16 2013-11-26 Blackberry Limited Method and apparatus for tuning a communication device
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US8948889B2 (en) 2012-06-01 2015-02-03 Blackberry Limited Methods and apparatus for tuning circuit components of a communication device
US9853363B2 (en) 2012-07-06 2017-12-26 Blackberry Limited Methods and apparatus to control mutual coupling between antennas
US9246223B2 (en) 2012-07-17 2016-01-26 Blackberry Limited Antenna tuning for multiband operation
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CN103580623A (zh) * 2012-08-10 2014-02-12 中兴通讯股份有限公司 一种射频功放装置以及一种射频功率放大方法
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CN103199798B (zh) * 2013-03-20 2015-12-02 华为技术有限公司 一种多赫蒂功率放大电路及功率放大器
CN106415435B (zh) 2013-09-17 2020-08-11 帕克维辛股份有限公司 用于呈现信息承载时间函数的方法、装置和系统
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Also Published As

Publication number Publication date
TW399362B (en) 2000-07-21
US5786727A (en) 1998-07-28
EP0932933B1 (de) 2004-06-09
JP2001502493A (ja) 2001-02-20
WO1998016997A1 (en) 1998-04-23
EP0932933A1 (de) 1999-08-04
KR20000049254A (ko) 2000-07-25
JP4027988B2 (ja) 2007-12-26
EP0932933A4 (de) 2002-10-16
KR100306722B1 (ko) 2001-09-29
DE69729466T2 (de) 2004-11-11

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Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US