ATE349804T1 - Zusammengesetzter leistungsverstärker - Google Patents

Zusammengesetzter leistungsverstärker

Info

Publication number
ATE349804T1
ATE349804T1 AT02807774T AT02807774T ATE349804T1 AT E349804 T1 ATE349804 T1 AT E349804T1 AT 02807774 T AT02807774 T AT 02807774T AT 02807774 T AT02807774 T AT 02807774T AT E349804 T1 ATE349804 T1 AT E349804T1
Authority
AT
Austria
Prior art keywords
power amplifier
composite power
chireix
pairs
composite amplifier
Prior art date
Application number
AT02807774T
Other languages
English (en)
Inventor
Richard Hellberg
Mats Klingberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE349804T1 publication Critical patent/ATE349804T1/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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • 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
    • H03F1/0294—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using vector summing of two or more constant amplitude phase-modulated signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
    • H03F3/602—Combinations of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/423—Amplifier output adaptation especially for transmission line coupling purposes, e.g. impedance adaptation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT02807774T 2002-09-06 2002-09-06 Zusammengesetzter leistungsverstärker ATE349804T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2002/001605 WO2004023647A1 (en) 2002-09-06 2002-09-06 Composite power amplifier

Publications (1)

Publication Number Publication Date
ATE349804T1 true ATE349804T1 (de) 2007-01-15

Family

ID=31974208

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02807774T ATE349804T1 (de) 2002-09-06 2002-09-06 Zusammengesetzter leistungsverstärker

Country Status (6)

Country Link
US (1) US7279971B2 (de)
EP (1) EP1540815B1 (de)
AT (1) ATE349804T1 (de)
AU (1) AU2002334520A1 (de)
DE (1) DE60217188T2 (de)
WO (1) WO2004023647A1 (de)

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FR2858492B1 (fr) 2003-07-31 2006-09-08 Cit Alcatel Amplificateur a grande dynamique de puissance de sortie
SE0302586D0 (sv) * 2003-09-26 2003-09-26 Ericsson Telefon Ab L M Composite power amplifier
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
US8334722B2 (en) 2007-06-28 2012-12-18 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
US7893762B2 (en) 2005-12-30 2011-02-22 Telefonaktiebolaget Lm Ericsson (Publ) Efficient composite amplifier
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
US8018276B2 (en) * 2006-09-28 2011-09-13 Motorola Mobility, Inc. Signal processing method and power amplifier device
EP2097973B1 (de) * 2006-11-01 2013-04-03 Telefonaktiebolaget LM Ericsson (publ) Verbesserungen des dynamikumfangs für lastmodulierte verstärker
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2009145887A1 (en) 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
JP5237462B2 (ja) 2008-12-09 2013-07-17 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 多段増幅器
EP2380276B1 (de) * 2008-12-22 2012-10-10 Telefonaktiebolaget L M Ericsson (publ) Mehrstufiger verstärker
US8290086B2 (en) * 2009-12-09 2012-10-16 Tamal Bose Efficient outphasing transmitter
US9141832B2 (en) 2010-02-03 2015-09-22 Massachusetts Institute Of Technology Multiway lossless power combining and outphasing incorporating transmission lines
US8451053B2 (en) * 2010-02-03 2013-05-28 Massachusetts Institute Of Technology Radio-frequency (RF) amplifier circuits and related techniques
US9912303B2 (en) 2010-02-03 2018-03-06 Massachusetts Institute Of Technology RF-input / RF-output outphasing amplifier
KR101101515B1 (ko) * 2010-02-03 2012-01-05 삼성전기주식회사 전력 증폭기
US8174322B2 (en) * 2010-05-04 2012-05-08 Nxp B.V. Power control of reconfigurable outphasing chireix amplifiers and methods
KR20140026458A (ko) 2011-04-08 2014-03-05 파커비전, 인크. Ｒｆ 전력 송신, 변조 및 증폭 시스템들 및 방법들
US8836421B2 (en) 2011-12-15 2014-09-16 Telefonaktiebolaget L M Ericsson (Publ) Apparatus and method for use with an amplifier circuit
US8830710B2 (en) 2012-06-25 2014-09-09 Eta Devices, Inc. RF energy recovery system
US8824978B2 (en) 2012-10-30 2014-09-02 Eta Devices, Inc. RF amplifier architecture and related techniques
US9166536B2 (en) 2012-10-30 2015-10-20 Eta Devices, Inc. Transmitter architecture and related methods
US9537456B2 (en) 2012-10-30 2017-01-03 Eta Devices, Inc. Asymmetric multilevel backoff amplifier with radio-frequency splitter
US8829993B2 (en) 2012-10-30 2014-09-09 Eta Devices, Inc. Linearization circuits and methods for multilevel power amplifier systems
US9712118B2 (en) 2013-05-27 2017-07-18 Telefonaktiebolaget L M Ericsson (Publ) Amplifier circuit and method
US20150080063A1 (en) 2013-09-17 2015-03-19 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time
WO2015139746A1 (en) 2014-03-19 2015-09-24 Telefonaktiebolaget L M Ericsson (Publ) Amplifier circuit and method
US9866190B2 (en) 2014-04-03 2018-01-09 Telefonaktiebolaget Lm Ericsson (Publ) Multi-stage amplifiers with low loss
EP3140908B1 (de) 2014-05-08 2018-02-21 Telefonaktiebolaget LM Ericsson (publ) Verstärkerschaltung und verfahren
WO2015171026A1 (en) 2014-05-08 2015-11-12 Telefonaktiebolaget L M Ericsson (Publ) Amplifier circuit and method
US9768731B2 (en) 2014-07-23 2017-09-19 Eta Devices, Inc. Linearity and noise improvement for multilevel power amplifier systems using multi-pulse drain transitions
US10187014B2 (en) 2014-10-07 2019-01-22 Telefonaktiebolaget Lm Ericsson (Publ) Driver circuit for composite power amplifier
US9979421B2 (en) 2015-03-02 2018-05-22 Eta Devices, Inc. Digital pre-distortion (DPD) training and calibration system and related techniques
US10123286B2 (en) * 2016-06-30 2018-11-06 Qorvo Us, Inc. Outphasing power management circuit for radio frequency (RF) beamforming
CN111865236B (zh) 2019-04-25 2022-07-26 华为技术有限公司 信号处理方法、装置及系统

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DE04029691T1 (de) 1998-02-02 2007-11-08 Trustees Of Tufts College, Medford Verwendung von Dipetidylpeptidasehemmer zur Regulierung des Glukosemetabolismus
CA2274414A1 (en) 1999-06-11 2000-12-11 Universite Laval Dietary fish protein for use in restoring normal insulin function insulin-resistant individuals
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Also Published As

Publication number Publication date
EP1540815B1 (de) 2006-12-27
US7279971B2 (en) 2007-10-09
DE60217188D1 (de) 2007-02-08
US20050248401A1 (en) 2005-11-10
WO2004023647A1 (en) 2004-03-18
AU2002334520A1 (en) 2004-03-29
DE60217188T2 (de) 2007-10-04
EP1540815A1 (de) 2005-06-15

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