DE69824873D1 - Verfahren und vorrichtung zum verstärken eines signals - Google Patents

Verfahren und vorrichtung zum verstärken eines signals

Info

Publication number
DE69824873D1
DE69824873D1 DE69824873T DE69824873T DE69824873D1 DE 69824873 D1 DE69824873 D1 DE 69824873D1 DE 69824873 T DE69824873 T DE 69824873T DE 69824873 T DE69824873 T DE 69824873T DE 69824873 D1 DE69824873 D1 DE 69824873D1
Authority
DE
Germany
Prior art keywords
amplifying
signal
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
DE69824873T
Other languages
English (en)
Other versions
DE69824873T2 (de
Inventor
Frank Long
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 DE69824873D1 publication Critical patent/DE69824873D1/de
Application granted granted Critical
Publication of DE69824873T2 publication Critical patent/DE69824873T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3036Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216Continuous control
    • H03F1/0233Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
    • H03F1/0238Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply using supply converters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0277Selecting one or more amplifiers from a plurality of amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0288Modifications 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G2201/00Indexing scheme relating to subclass H03G
    • H03G2201/10Gain control characterised by the type of controlled element
    • H03G2201/106Gain control characterised by the type of controlled element being attenuating element

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE69824873T 1997-09-30 1998-05-08 Verfahren und vorrichtung zum verstärken eines signals Expired - Lifetime DE69824873T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US940563 1997-09-30
US08/940,563 US5886575A (en) 1997-09-30 1997-09-30 Apparatus and method for amplifying a signal
PCT/US1998/009543 WO1999017443A1 (en) 1997-09-30 1998-05-08 Apparatus and method for amplifying a signal

Publications (2)

Publication Number Publication Date
DE69824873D1 true DE69824873D1 (de) 2004-08-05
DE69824873T2 DE69824873T2 (de) 2005-06-30

Family

ID=25475057

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69824873T Expired - Lifetime DE69824873T2 (de) 1997-09-30 1998-05-08 Verfahren und vorrichtung zum verstärken eines signals

Country Status (7)

Country Link
US (1) US5886575A (de)
EP (1) EP1020026B1 (de)
JP (1) JP4088415B2 (de)
KR (1) KR100329133B1 (de)
BR (1) BR9812398A (de)
DE (1) DE69824873T2 (de)
WO (1) WO1999017443A1 (de)

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US20030123566A1 (en) * 2001-12-27 2003-07-03 Jaime Hasson Transmitter having a sigma-delta modulator with a non-uniform polar quantizer and methods thereof
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JP4209652B2 (ja) * 2002-09-24 2009-01-14 三菱電機株式会社 高周波電力増幅器
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JP4715994B2 (ja) * 2004-08-26 2011-07-06 日本電気株式会社 ドハティ増幅器並列運転回路
US7327803B2 (en) * 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
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US7148746B2 (en) 2004-10-26 2006-12-12 Andrew Corporation High efficiency amplifier
US7142053B2 (en) * 2004-12-06 2006-11-28 Skyworks Solutions, Inc. Voltage clamp for improved transient performance of a collector voltage controlled power 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
WO2006068546A1 (en) * 2004-12-21 2006-06-29 Telefonaktiebolaget Lm Ericsson (Publ) Power amplifier system
EP1708358A3 (de) * 2005-03-11 2006-12-06 LG Electronics Inc. Mobiles Kommunikationsendgerät mit Steuerspannungsvorrichtung und Verfahren
JP2007053540A (ja) * 2005-08-17 2007-03-01 Nec Corp ドハティ型増幅器
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US7248110B2 (en) * 2005-12-06 2007-07-24 Harris Corporation Modified doherty amplifier
US7831221B2 (en) * 2005-12-13 2010-11-09 Andrew Llc Predistortion system and amplifier for addressing group delay modulation
US7382194B2 (en) * 2006-01-18 2008-06-03 Triquint Semiconductor, Inc. Switched distributed power amplifier
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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
JP4831571B2 (ja) * 2006-05-02 2011-12-07 富士通株式会社 増幅器ユニット及びその故障検出方法
JP2008035487A (ja) * 2006-06-19 2008-02-14 Renesas Technology Corp Rf電力増幅器
WO2008012898A1 (fr) * 2006-07-27 2008-01-31 Panasonic Corporation Appareil d'amplification de puissance
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
JPWO2008053534A1 (ja) * 2006-10-31 2010-02-25 パナソニック株式会社 ドハティ増幅器
JPWO2008075561A1 (ja) * 2006-12-19 2010-04-08 三菱電機株式会社 電力増幅装置
US7620129B2 (en) * 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
US7541868B2 (en) * 2007-05-31 2009-06-02 Andrew, Llc Delay modulator pre-distortion circuit for an amplifier
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JP5169122B2 (ja) * 2007-10-09 2013-03-27 住友電気工業株式会社 ドハティ増幅装置
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US7619468B1 (en) * 2008-09-30 2009-11-17 Nortel Networks Limited Doherty amplifier with drain bias supply modulation
US8736364B2 (en) * 2009-10-13 2014-05-27 Nec Corporation Power amplifier and method of operation thereof
WO2011048893A1 (ja) * 2009-10-23 2011-04-28 日本碍子株式会社 ドハティ増幅器用合成器
EP2339745A1 (de) 2009-12-15 2011-06-29 Nxp B.V. Doherty-Verstärker
EP2362541A1 (de) * 2010-02-25 2011-08-31 Alcatel Lucent Parallelverstärker
KR20140026458A (ko) 2011-04-08 2014-03-05 파커비전, 인크. Rf 전력 송신, 변조 및 증폭 시스템들 및 방법들
DE102011075314B4 (de) 2011-05-05 2018-08-30 Rohde & Schwarz Gmbh & Co. Kg Geregelter Hochleistungsverstärker
WO2012167111A2 (en) 2011-06-02 2012-12-06 Parkervision, Inc. Antenna control
WO2014110187A1 (en) 2013-01-08 2014-07-17 Aviat Networks, Inc. Systems and methods for biasing amplifiers with adaptive closed loop control
US9059666B2 (en) * 2013-01-08 2015-06-16 Aviat U.S., Inc. Systems and methods for biasing amplifiers during high-power operation with adaptive closed-loop control
US9160284B2 (en) 2013-01-08 2015-10-13 Aviat U.S., Inc. Systems and methods for biasing amplifiers using adaptive closed-loop control and adaptive predistortion
US9083350B1 (en) * 2013-02-12 2015-07-14 Aethercomm, Inc. Method and apparatus for a digital non-linear loop control circuit
DE102013207898A1 (de) 2013-04-30 2014-10-30 Novero Dabendorf Gmbh Kompensation einer Signal-Dämpfung bei der Übertragung von Sendesignalen eines Mobilfunkgeräts
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JP5833094B2 (ja) * 2013-12-26 2015-12-16 株式会社東芝 電力増幅装置、及び電力増幅装置の制御方法
JP2016225777A (ja) * 2015-05-29 2016-12-28 日本電信電話株式会社 振幅検出回路
CN208710425U (zh) 2017-10-06 2019-04-09 原星股份有限公司 助行车的座面结构
JP2019092131A (ja) 2017-11-17 2019-06-13 株式会社村田製作所 電力増幅モジュール
CN110635698B (zh) * 2019-05-28 2021-04-30 电子科技大学 一种具有高回退范围的射频信号整流器

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Also Published As

Publication number Publication date
WO1999017443A1 (en) 1999-04-08
EP1020026B1 (de) 2004-06-30
BR9812398A (pt) 2000-09-12
EP1020026A4 (de) 2001-04-04
JP4088415B2 (ja) 2008-05-21
JP2001518731A (ja) 2001-10-16
EP1020026A1 (de) 2000-07-19
US5886575A (en) 1999-03-23
KR20010024337A (ko) 2001-03-26
KR100329133B1 (ko) 2002-03-18
DE69824873T2 (de) 2005-06-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

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