SE516852C2 - Sammansatt förstärkare, sändare med sådan förstärkare samt förfarande för att driva en dylik förstärkare resp. sändare - Google Patents

Sammansatt förstärkare, sändare med sådan förstärkare samt förfarande för att driva en dylik förstärkare resp. sändare

Info

Publication number
SE516852C2
SE516852C2 SE0100063A SE0100063A SE516852C2 SE 516852 C2 SE516852 C2 SE 516852C2 SE 0100063 A SE0100063 A SE 0100063A SE 0100063 A SE0100063 A SE 0100063A SE 516852 C2 SE516852 C2 SE 516852C2
Authority
SE
Sweden
Prior art keywords
amplifier
main
auxiliary
output
frequency dependence
Prior art date
Application number
SE0100063A
Other languages
English (en)
Swedish (sv)
Other versions
SE0100063D0 (sv
SE0100063L (sv
Inventor
Richard Hellberg
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
Priority claimed from SE0002584A external-priority patent/SE516847C2/sv
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0100063A priority Critical patent/SE516852C2/sv
Publication of SE0100063D0 publication Critical patent/SE0100063D0/xx
Priority to EP01944023A priority patent/EP1312158B1/en
Priority to PCT/SE2001/001392 priority patent/WO2002005420A1/en
Priority to CA2414364A priority patent/CA2414364C/en
Priority to AT01944023T priority patent/ATE385066T1/de
Priority to JP2002509166A priority patent/JP4993836B2/ja
Priority to DE60132601T priority patent/DE60132601D1/de
Priority to ES01944023T priority patent/ES2298240T3/es
Priority to AU2001266472A priority patent/AU2001266472A1/en
Publication of SE0100063L publication Critical patent/SE0100063L/xx
Publication of SE516852C2 publication Critical patent/SE516852C2/sv
Priority to US10/336,897 priority patent/US6774717B2/en

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
    • H03F1/0288—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/168—Two amplifying stages are coupled by means of a filter circuit
    • 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)
  • Transmitters (AREA)
SE0100063A 2000-07-07 2001-01-10 Sammansatt förstärkare, sändare med sådan förstärkare samt förfarande för att driva en dylik förstärkare resp. sändare SE516852C2 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE0100063A SE516852C2 (sv) 2000-07-07 2001-01-10 Sammansatt förstärkare, sändare med sådan förstärkare samt förfarande för att driva en dylik förstärkare resp. sändare
AU2001266472A AU2001266472A1 (en) 2000-07-07 2001-06-19 Transmitter including a composit amplifier
ES01944023T ES2298240T3 (es) 2000-07-07 2001-06-19 Transmisor que incluye un amplificador compuesto.
CA2414364A CA2414364C (en) 2000-07-07 2001-06-19 Transmitter including a composite amplifier
PCT/SE2001/001392 WO2002005420A1 (en) 2000-07-07 2001-06-19 Transmitter including a composit amplifier
EP01944023A EP1312158B1 (en) 2000-07-07 2001-06-19 Transmitter including a composit amplifier
AT01944023T ATE385066T1 (de) 2000-07-07 2001-06-19 Sender mit einem zusammensetzungsverstärker
JP2002509166A JP4993836B2 (ja) 2000-07-07 2001-06-19 複合増幅器を有する送信機
DE60132601T DE60132601D1 (ja) 2000-07-07 2001-06-19
US10/336,897 US6774717B2 (en) 2000-07-07 2003-01-06 Transmitter including a composite amplifier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0002584A SE516847C2 (sv) 2000-07-07 2000-07-07 Sammansatt förstärkare samt sändare som innefattar en sådan förstärkare
SE0100063A SE516852C2 (sv) 2000-07-07 2001-01-10 Sammansatt förstärkare, sändare med sådan förstärkare samt förfarande för att driva en dylik förstärkare resp. sändare

Publications (3)

Publication Number Publication Date
SE0100063D0 SE0100063D0 (sv) 2001-01-10
SE0100063L SE0100063L (sv) 2002-01-08
SE516852C2 true SE516852C2 (sv) 2002-03-12

Family

ID=26655174

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0100063A SE516852C2 (sv) 2000-07-07 2001-01-10 Sammansatt förstärkare, sändare med sådan förstärkare samt förfarande för att driva en dylik förstärkare resp. sändare

Country Status (10)

Country Link
US (1) US6774717B2 (ja)
EP (1) EP1312158B1 (ja)
JP (1) JP4993836B2 (ja)
AT (1) ATE385066T1 (ja)
AU (1) AU2001266472A1 (ja)
CA (1) CA2414364C (ja)
DE (1) DE60132601D1 (ja)
ES (1) ES2298240T3 (ja)
SE (1) SE516852C2 (ja)
WO (1) WO2002005420A1 (ja)

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WO2005124994A1 (ja) * 2004-06-18 2005-12-29 Mitsubishi Denki Kabushiki Kaisha 高効率増幅器
US7424867B2 (en) 2004-07-15 2008-09-16 Lawrence Kates Camera system for canines, felines, or other animals
US7847630B2 (en) * 2004-11-05 2010-12-07 Hitachi Kokusai Electric Inc. Amplifier
KR20060077818A (ko) * 2004-12-31 2006-07-05 학교법인 포항공과대학교 비대칭 전력 구동을 이용한 전력 증폭 장치
US7474880B2 (en) * 2005-03-24 2009-01-06 Broadcom Corporation Linear and non-linear dual mode transmitter
US7183858B2 (en) * 2005-03-31 2007-02-27 Broadcom Corporation Wireless transmitter having multiple programmable gain amplifiers (PGAs) with tuned impedance to provide substantially linear magnitude and phase responses
US7548733B2 (en) * 2005-03-31 2009-06-16 Broadcom Corporation Wireless transmitter having multiple power amplifier drivers (PADs) that are selectively biased to provide substantially linear magnitude and phase responses
US7336127B2 (en) * 2005-06-10 2008-02-26 Rf Micro Devices, Inc. Doherty amplifier configuration for a collector controlled power amplifier
JP2007006164A (ja) * 2005-06-24 2007-01-11 Hitachi Kokusai Electric Inc 増幅器
JP2007019578A (ja) * 2005-07-05 2007-01-25 Hitachi Ltd 電力増幅器およびそれを用いた送信機
JP2007124460A (ja) * 2005-10-31 2007-05-17 Hitachi Kokusai Electric Inc 増幅器
US8219040B2 (en) * 2007-06-27 2012-07-10 International Business Machines Corporation Transmitter bandwidth optimization circuit
US8219041B2 (en) * 2007-11-19 2012-07-10 International Business Machines Corporation Design structure for transmitter bandwidth optimization circuit
WO2009066353A1 (ja) 2007-11-21 2009-05-28 Fujitsu Limited 電力増幅器
US8180304B2 (en) * 2008-04-02 2012-05-15 Quantenna Communications, Inc. Efficient power amplifier
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
US9203489B2 (en) 2010-05-05 2015-12-01 Google Technology Holdings LLC Method and precoder information feedback in multi-antenna wireless communication systems
IN2014CN03801A (ja) 2011-12-20 2015-10-16 Ericsson Telefon Ab L M
US9813262B2 (en) 2012-12-03 2017-11-07 Google Technology Holdings LLC Method and apparatus for selectively transmitting data using spatial diversity
US9591508B2 (en) 2012-12-20 2017-03-07 Google Technology Holdings LLC Methods and apparatus for transmitting data between different peer-to-peer communication groups
US9979531B2 (en) 2013-01-03 2018-05-22 Google Technology Holdings LLC Method and apparatus for tuning a communication device for multi band operation
US10229697B2 (en) 2013-03-12 2019-03-12 Google Technology Holdings LLC Apparatus and method for beamforming to obtain voice and noise signals
US9386542B2 (en) 2013-09-19 2016-07-05 Google Technology Holdings, LLC Method and apparatus for estimating transmit power of a wireless device
US9549290B2 (en) 2013-12-19 2017-01-17 Google Technology Holdings LLC Method and apparatus for determining direction information for a wireless device
US9491007B2 (en) 2014-04-28 2016-11-08 Google Technology Holdings LLC Apparatus and method for antenna matching
US9478847B2 (en) 2014-06-02 2016-10-25 Google Technology Holdings LLC Antenna system and method of assembly for a wearable electronic device
CN105245192A (zh) * 2015-10-31 2016-01-13 中国人民解放军空军工程大学 一种多尔蒂功率放大器
US9948246B1 (en) * 2016-10-18 2018-04-17 Mitsubishi Electric Research Laboratories, Inc. Impedance flattening network for high efficiency wideband doherty power amplifier
US10978999B2 (en) * 2018-06-11 2021-04-13 Qorvo Us, Inc. Doherty radio frequency amplifier circuitry

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56165410A (en) * 1980-05-26 1981-12-19 Kokusai Denshin Denwa Co Ltd <Kdd> High frequency transistor amplifying circuit
JPS63290005A (ja) * 1987-05-21 1988-11-28 Oki Electric Ind Co Ltd 電力増幅器の過負荷防止装置
JPH048524U (ja) * 1990-05-09 1992-01-27
US5420541A (en) * 1993-06-04 1995-05-30 Raytheon Company Microwave doherty amplifier
JP3176191B2 (ja) * 1993-08-06 2001-06-11 株式会社モリタ製作所 Ｅｒ：ＹＡＧレーザ治療装置
US6085074A (en) * 1997-02-28 2000-07-04 Motorola, Inc. Apparatus and method for amplifying an amplitude-varying signal
US5880633A (en) * 1997-05-08 1999-03-09 Motorola, Inc. High efficiency power amplifier
US6097252A (en) * 1997-06-02 2000-08-01 Motorola, Inc. Method and apparatus for high efficiency power amplification
US6008694A (en) * 1998-07-10 1999-12-28 National Scientific Corp. Distributed amplifier and method therefor
US6128478A (en) * 1998-07-31 2000-10-03 Motorola, Inc. Apparatus and method for amplifying a radio frequency signal
SE516145C2 (sv) * 2000-06-06 2001-11-26 Ericsson Telefon Ab L M Sammansatt förstärkare
US6396341B1 (en) * 2000-12-29 2002-05-28 Ericsson Inc. Class E Doherty amplifier topology for high efficiency signal transmitters

Also Published As

Publication number Publication date
CA2414364C (en) 2011-04-12
AU2001266472A1 (en) 2002-01-21
JP2004503160A (ja) 2004-01-29
SE0100063D0 (sv) 2001-01-10
SE0100063L (sv) 2002-01-08
ATE385066T1 (de) 2008-02-15
DE60132601D1 (ja) 2008-03-13
ES2298240T3 (es) 2008-05-16
WO2002005420A1 (en) 2002-01-17
US20040051583A1 (en) 2004-03-18
JP4993836B2 (ja) 2012-08-08
EP1312158A1 (en) 2003-05-21
EP1312158B1 (en) 2008-01-23
CA2414364A1 (en) 2002-01-17
US6774717B2 (en) 2004-08-10

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