AU2001228678A1 - Amplifier arrangement - Google Patents

Amplifier arrangement

Info

Publication number
AU2001228678A1
AU2001228678A1 AU2001228678A AU2867801A AU2001228678A1 AU 2001228678 A1 AU2001228678 A1 AU 2001228678A1 AU 2001228678 A AU2001228678 A AU 2001228678A AU 2867801 A AU2867801 A AU 2867801A AU 2001228678 A1 AU2001228678 A1 AU 2001228678A1
Authority
AU
Australia
Prior art keywords
amplifier arrangement
amplifier
arrangement
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.)
Abandoned
Application number
AU2001228678A
Inventor
Peter Kenington
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.)
Wireless Systems International Ltd
Original Assignee
Wireless Systems International Ltd
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 Wireless Systems International Ltd filed Critical Wireless Systems International Ltd
Publication of AU2001228678A1 publication Critical patent/AU2001228678A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H03F3/20—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
    • H03F3/2175—Class D power amplifiers; Switching amplifiers using analogue-digital or digital-analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/74—Simultaneous conversion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Amplifiers (AREA)
AU2001228678A 2000-02-08 2001-01-29 Amplifier arrangement Abandoned AU2001228678A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0002847A GB2359206B (en) 2000-02-08 2000-02-08 Amplifier arrangement
GB0002847 2000-02-08
PCT/GB2001/000352 WO2001059923A2 (en) 2000-02-08 2001-01-29 Amplifier arrangement

Publications (1)

Publication Number Publication Date
AU2001228678A1 true AU2001228678A1 (en) 2001-08-20

Family

ID=9885152

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001228678A Abandoned AU2001228678A1 (en) 2000-02-08 2001-01-29 Amplifier arrangement

Country Status (5)

Country Link
US (1) US6819171B2 (en)
JP (1) JP2003523123A (en)
AU (1) AU2001228678A1 (en)
GB (1) GB2359206B (en)
WO (1) WO2001059923A2 (en)

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US6882781B2 (en) * 2001-11-16 2005-04-19 Hrl Laboratories, Llc Coherent power combining of single-mode sources in waveguide fiber couplers
DE60217188T2 (en) * 2002-09-06 2007-10-04 Telefonaktiebolaget Lm Ericsson (Publ) COMPOSED POWER AMPLIFIER
US6891432B2 (en) * 2002-11-14 2005-05-10 Mia-Com, Inc. Apparatus, methods and articles of manufacture for electromagnetic processing
JP2006502667A (en) * 2002-10-08 2006-01-19 メイコム インコーポレイテッド Apparatus, method, and article of manufacture for linear signal modification
US7526260B2 (en) * 2002-11-14 2009-04-28 M/A-Com Eurotec, B.V. Apparatus, methods and articles of manufacture for linear signal modification
KR100774385B1 (en) * 2003-08-07 2007-11-08 가부시키가이샤 엔티티 도코모 Power amplifier
ATE463076T1 (en) * 2003-08-07 2010-04-15 Ntt Docomo Inc POWER AMPLIFIER
WO2005015732A2 (en) * 2003-08-07 2005-02-17 Nokia Corporation, Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers
KR101065903B1 (en) 2003-12-17 2011-09-19 재단법인서울대학교산학협력재단 High-Efficiency Linear Power Amplification System Using Oscillator
WO2006039510A2 (en) * 2004-09-30 2006-04-13 The Trustees Of Columbia University In The City Ofnew York Continuous-time digital 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
KR100758854B1 (en) * 2005-03-29 2007-09-19 인티그런트 테크놀로지즈(주) Low noise amplifier and differential amplifier with variable gain mode
KR100656333B1 (en) * 2005-04-27 2006-12-13 한국과학기술원 Power amplifier with automatically switching facility
WO2007029119A2 (en) * 2005-05-27 2007-03-15 Ahmed Birafane High effeciency rf transmitter system using non-linear amplifiers
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
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
US8411788B2 (en) * 2005-11-18 2013-04-02 Qualcomm, Incorporated Digital transmitters for wireless communication
GB2432982A (en) * 2005-11-30 2007-06-06 Toshiba Res Europ Ltd An EER RF amplifier with PWM signal switching
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
JP4257346B2 (en) * 2006-06-27 2009-04-22 株式会社東芝 Power amplifier
JP4790652B2 (en) * 2007-03-29 2011-10-12 富士通株式会社 Digitally controlled transmitter and control method thereof
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
JP5126234B2 (en) * 2007-11-05 2013-01-23 日本電気株式会社 Power amplifier and radio wave transmitter having the same
WO2009123566A1 (en) * 2008-03-31 2009-10-08 Agency For Science, Technology & Research High efficiency linear amplifier
CN102265509A (en) * 2008-12-31 2011-11-30 Nxp股份有限公司 Power amplifier protection
US8233846B2 (en) * 2009-02-26 2012-07-31 Broadcom Corporation Configurable transceiver and methods for use therewith
US8138829B2 (en) * 2010-05-27 2012-03-20 Texas Instruments Incorporated Segmented power amplifier with varying segment activation
US8364103B2 (en) * 2010-09-21 2013-01-29 Intel Mobile Communications GmbH Adaptive adjustment of active area for power amplifier
US8908751B2 (en) 2011-02-28 2014-12-09 Intel Mobile Communications GmbH Joint adaptive bias point adjustment and digital pre-distortion for power amplifier
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
DE102011100742B4 (en) 2011-05-06 2018-07-12 Austriamicrosystems Ag Signal processing arrangement and signal processing method, in particular for electronic circuits
EP2523344B1 (en) * 2011-05-12 2014-11-12 Alcatel Lucent Device and method to amplify a digital multibit signal
WO2012167111A2 (en) 2011-06-02 2012-12-06 Parkervision, Inc. Antenna control
KR101800728B1 (en) * 2011-10-14 2017-11-24 삼성전자주식회사 Apparatus and method for expanding dynamic range of power amplifier
US8836424B2 (en) * 2012-07-16 2014-09-16 Intel Mobile Communications GmbH Amplifier circuit, method and mobile communication device
JP5902070B2 (en) * 2012-08-27 2016-04-13 株式会社東芝 Power amplifier and transmitter
EP2897288A4 (en) * 2012-09-14 2016-05-11 Nec Corp Transmitter, signal-synthesizing circuit, signal-synthesizing method
US8948306B2 (en) * 2013-01-11 2015-02-03 Gatesair, Inc. Broadband high efficiency amplifier system
JP5897529B2 (en) * 2013-03-07 2016-03-30 株式会社東芝 Power amplifier and transmitter
EP3047348A4 (en) 2013-09-17 2016-09-07 Parkervision Inc Method, apparatus and system for rendering an information bearing function of time
US10135409B1 (en) * 2016-02-02 2018-11-20 Marvell International Ltd. High-efficiency RF digital power amplifier with joint duty-cycle/amplitude modulation
US11271536B2 (en) * 2020-04-24 2022-03-08 Gm Cruise Holdings Llc Multistage variable gain amplifier for sensor application

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US3884170A (en) * 1960-02-26 1975-05-20 Us Navy Control system for torpedoes
US3325778A (en) * 1965-08-13 1967-06-13 Sanders Associates Inc Seismic sonobuoy
JPS6063517A (en) * 1983-09-16 1985-04-11 Sumitomo Electric Ind Ltd Phase modulator
US5304943A (en) * 1992-11-16 1994-04-19 Harris Corporation In-phase combiner and RF recovery system
JP2885660B2 (en) * 1995-01-31 1999-04-26 日本無線株式会社 Amplitude modulation circuit
US5872481A (en) * 1995-12-27 1999-02-16 Qualcomm Incorporated Efficient parallel-stage power amplifier
SE9601619L (en) 1996-04-29 1997-10-30 Radio Design Innovation Tj Ab Device with transmitter combiner
US6463269B2 (en) * 1997-03-31 2002-10-08 Bellsouth Corporation Power amplification system with intelligent control of amplifier modules
US5886573A (en) * 1998-03-06 1999-03-23 Fujant, Inc. Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier

Also Published As

Publication number Publication date
GB2359206A (en) 2001-08-15
WO2001059923A3 (en) 2002-03-14
GB2359206B (en) 2004-06-23
JP2003523123A (en) 2003-07-29
WO2001059923A2 (en) 2001-08-16
US6819171B2 (en) 2004-11-16
GB0002847D0 (en) 2000-03-29
US20030132800A1 (en) 2003-07-17

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