SE516145C2 - Sammansatt förstärkare - Google Patents

Sammansatt förstärkare

Info

Publication number
SE516145C2
SE516145C2 SE0002148A SE0002148A SE516145C2 SE 516145 C2 SE516145 C2 SE 516145C2 SE 0002148 A SE0002148 A SE 0002148A SE 0002148 A SE0002148 A SE 0002148A SE 516145 C2 SE516145 C2 SE 516145C2
Authority
SE
Sweden
Prior art keywords
amplifier
auxiliary
composite
power
doherty
Prior art date
Application number
SE0002148A
Other languages
English (en)
Swedish (sv)
Other versions
SE0002148L (sv
SE0002148D0 (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
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0002148A priority Critical patent/SE516145C2/sv
Publication of SE0002148D0 publication Critical patent/SE0002148D0/xx
Priority to SE0004420A priority patent/SE520760C2/sv
Priority to TW090112539A priority patent/TW557626B/zh
Priority to EP01944001A priority patent/EP1301989B1/de
Priority to AU2001264461A priority patent/AU2001264461A1/en
Priority to AU2001266450A priority patent/AU2001266450B2/en
Priority to EP01938890A priority patent/EP1301988A1/de
Priority to JP2002502905A priority patent/JP2003536313A/ja
Priority to JP2002502904A priority patent/JP4693334B2/ja
Priority to CA002411450A priority patent/CA2411450C/en
Priority to PCT/SE2001/001202 priority patent/WO2001095481A1/en
Priority to PCT/SE2001/001201 priority patent/WO2001095480A1/en
Priority to DE60124720T priority patent/DE60124720D1/de
Priority to AU6645001A priority patent/AU6645001A/xx
Priority to AT01944001T priority patent/ATE346421T1/de
Publication of SE0002148L publication Critical patent/SE0002148L/xx
Publication of SE516145C2 publication Critical patent/SE516145C2/sv
Priority to US10/310,064 priority patent/US6639464B2/en
Priority to US10/310,065 priority patent/US20030076167A1/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
    • H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying 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)
  • Microwave Amplifiers (AREA)
SE0002148A 2000-06-06 2000-06-06 Sammansatt förstärkare SE516145C2 (sv)

Priority Applications (17)

Application Number Priority Date Filing Date Title
SE0002148A SE516145C2 (sv) 2000-06-06 2000-06-06 Sammansatt förstärkare
SE0004420A SE520760C2 (sv) 2000-06-06 2000-11-30 Doherty-förstärkare av flerstegstyp
TW090112539A TW557626B (en) 2000-06-06 2001-05-24 Composite amplifier
AT01944001T ATE346421T1 (de) 2000-06-06 2001-05-30 Zusammengesetzter verstärker
JP2002502904A JP4693334B2 (ja) 2000-06-06 2001-05-30 複合増幅器
PCT/SE2001/001202 WO2001095481A1 (en) 2000-06-06 2001-05-30 Multistage doherty amplifier
AU2001266450A AU2001266450B2 (en) 2000-06-06 2001-05-30 Composite amplifier
EP01938890A EP1301988A1 (de) 2000-06-06 2001-05-30 Mehrstufiger doherty-verstärker
JP2002502905A JP2003536313A (ja) 2000-06-06 2001-05-30 マルチステージドハティ増幅器
EP01944001A EP1301989B1 (de) 2000-06-06 2001-05-30 Zusammengesetzter verstärker
CA002411450A CA2411450C (en) 2000-06-06 2001-05-30 Composite amplifier
AU2001264461A AU2001264461A1 (en) 2000-06-06 2001-05-30 Multistage doherty amplifier
PCT/SE2001/001201 WO2001095480A1 (en) 2000-06-06 2001-05-30 Composite amplifier
DE60124720T DE60124720D1 (de) 2000-06-06 2001-05-30 Zusammengesetzter verstärker
AU6645001A AU6645001A (en) 2000-06-06 2001-05-30 Composite amplifier
US10/310,065 US20030076167A1 (en) 2000-06-06 2002-12-05 Multistage doherty amplifier
US10/310,064 US6639464B2 (en) 2000-06-06 2002-12-05 Composite amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0002148A SE516145C2 (sv) 2000-06-06 2000-06-06 Sammansatt förstärkare

Publications (3)

Publication Number Publication Date
SE0002148D0 SE0002148D0 (sv) 2000-06-06
SE0002148L SE0002148L (sv) 2001-11-26
SE516145C2 true SE516145C2 (sv) 2001-11-26

Family

ID=20280021

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0002148A SE516145C2 (sv) 2000-06-06 2000-06-06 Sammansatt förstärkare

Country Status (10)

Country Link
US (1) US6639464B2 (de)
EP (1) EP1301989B1 (de)
JP (1) JP4693334B2 (de)
AT (1) ATE346421T1 (de)
AU (2) AU2001266450B2 (de)
CA (1) CA2411450C (de)
DE (1) DE60124720D1 (de)
SE (1) SE516145C2 (de)
TW (1) TW557626B (de)
WO (1) WO2001095480A1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE516847C2 (sv) * 2000-07-07 2002-03-12 Ericsson Telefon Ab L M Sammansatt förstärkare samt sändare som innefattar en sådan förstärkare
SE516852C2 (sv) * 2000-07-07 2002-03-12 Ericsson Telefon Ab L M Sammansatt förstärkare, sändare med sådan förstärkare samt förfarande för att driva en dylik förstärkare resp. sändare
KR100450744B1 (ko) * 2002-08-29 2004-10-01 학교법인 포항공과대학교 도허티 증폭기
JP2004222151A (ja) * 2003-01-17 2004-08-05 Nec Corp ドハーティ増幅器
JP4033794B2 (ja) 2003-03-24 2008-01-16 株式会社エヌ・ティ・ティ・ドコモ 高効率線形電力増幅器
SE0302586D0 (sv) * 2003-09-26 2003-09-26 Ericsson Telefon Ab L M Composite power amplifier
KR100735418B1 (ko) 2003-10-22 2007-07-04 삼성전자주식회사 도허티 앰프
US7135931B2 (en) * 2004-07-29 2006-11-14 Agere Systems Inc. Negative conductance power amplifier
US7148746B2 (en) * 2004-10-26 2006-12-12 Andrew Corporation High efficiency amplifier
KR20060077818A (ko) * 2004-12-31 2006-07-05 학교법인 포항공과대학교 비대칭 전력 구동을 이용한 전력 증폭 장치
JP4927351B2 (ja) * 2005-05-27 2012-05-09 ルネサスエレクトロニクス株式会社 ドハティ型増幅器
JP4792273B2 (ja) * 2005-10-18 2011-10-12 株式会社日立国際電気 増幅器
US7831221B2 (en) * 2005-12-13 2010-11-09 Andrew Llc Predistortion system and amplifier for addressing group delay modulation
EP1966884A1 (de) 2005-12-30 2008-09-10 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Effizienter zusammengesetzter verstärker
JP4753255B2 (ja) * 2006-09-01 2011-08-24 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 電力増幅装置および携帯電話端末
US7541866B2 (en) * 2006-09-29 2009-06-02 Nortel Networks Limited Enhanced doherty amplifier with asymmetrical semiconductors
JP5234006B2 (ja) * 2007-11-21 2013-07-10 富士通株式会社 電力増幅器
US8180304B2 (en) * 2008-04-02 2012-05-15 Quantenna Communications, Inc. Efficient power amplifier
US8441321B2 (en) 2008-12-09 2013-05-14 Telefonaktiebolaget L M Ericsson (Publ) Multi-stage amplifier
US9523730B2 (en) 2009-04-08 2016-12-20 Analog Devices, Inc. Architecture and method to determine leakage impedance and leakage voltage node
US8222907B2 (en) 2009-04-08 2012-07-17 Analog Devices, Inc. Architecture and method to determine leakage impedance and leakage voltage node
DE102011079613A1 (de) 2011-06-30 2013-01-03 Rohde & Schwarz Gmbh & Co. Kg Doherty-Verstärker mit Wirkungsgradoptimierung
US8593218B2 (en) * 2011-11-08 2013-11-26 Analog Devices, Inc. Fast settling low power low noise amplifier
WO2013091905A1 (en) * 2011-12-20 2013-06-27 Telefonaktiebolaget L M Ericsson (Publ) Radio frequency power amplifier circuit and method
WO2013126427A1 (en) * 2012-02-22 2013-08-29 Analog Devices, Inc. Architecture and method to determine leakage impedance and leakage voltage node
CN102594266A (zh) * 2012-03-07 2012-07-18 武汉正维电子技术有限公司 一种多级多路Doherty放大器
JP2014082749A (ja) * 2012-09-28 2014-05-08 Fordan Kk 複合電力増幅器を有する複合送信機
US9831835B2 (en) 2016-02-26 2017-11-28 Nxp Usa, Inc. Multiple path amplifier with pre-cancellation
WO2021021934A1 (en) * 2019-07-30 2021-02-04 The Regents Of The University Of California Method for enhancing power amplifier efficiency and linearity and power amplifier
WO2021228396A1 (en) * 2020-05-14 2021-11-18 Telefonaktiebolaget Lm Ericsson (Publ) Envelope controlled biasing of an auxiliary transmitter of a doherty power amplifier

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3906448C1 (de) * 1989-03-01 1990-03-15 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
US5739723A (en) * 1995-12-04 1998-04-14 Motorola, Inc. Linear power amplifier using active bias for high efficiency and method thereof
US5757229A (en) * 1996-06-28 1998-05-26 Motorola, Inc. Bias circuit for a power amplifier
US5880633A (en) * 1997-05-08 1999-03-09 Motorola, Inc. High efficiency power amplifier
US5886575A (en) * 1997-09-30 1999-03-23 Motorola, Inc. Apparatus and method for amplifying a signal
US6262629B1 (en) * 1999-07-06 2001-07-17 Motorola, Inc. High efficiency power amplifier having reduced output matching networks for use in portable devices
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
US20030076166A1 (en) 2003-04-24
ATE346421T1 (de) 2006-12-15
CA2411450A1 (en) 2001-12-13
JP4693334B2 (ja) 2011-06-01
WO2001095480A1 (en) 2001-12-13
EP1301989A1 (de) 2003-04-16
SE0002148L (sv) 2001-11-26
EP1301989B1 (de) 2006-11-22
US6639464B2 (en) 2003-10-28
SE0002148D0 (sv) 2000-06-06
DE60124720D1 (de) 2007-01-04
AU2001266450B2 (en) 2005-09-22
JP2003536312A (ja) 2003-12-02
TW557626B (en) 2003-10-11
CA2411450C (en) 2009-10-13
AU6645001A (en) 2001-12-17

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