FI20055430A - Piiri Doherty-vahvistimien rinnankäyttöä varten - Google Patents

Piiri Doherty-vahvistimien rinnankäyttöä varten Download PDF

Info

Publication number
FI20055430A
FI20055430A FI20055430A FI20055430A FI20055430A FI 20055430 A FI20055430 A FI 20055430A FI 20055430 A FI20055430 A FI 20055430A FI 20055430 A FI20055430 A FI 20055430A FI 20055430 A FI20055430 A FI 20055430A
Authority
FI
Finland
Prior art keywords
circuit
parallel use
doherty amplifiers
doherty
amplifiers
Prior art date
Application number
FI20055430A
Other languages
English (en)
Swedish (sv)
Other versions
FI124916B (fi
FI20055430A0 (fi
Inventor
Kazumi Shiikuma
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of FI20055430A0 publication Critical patent/FI20055430A0/fi
Publication of FI20055430A publication Critical patent/FI20055430A/fi
Application granted granted Critical
Publication of FI124916B publication Critical patent/FI124916B/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • 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
    • 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
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
    • H03F1/07—Doherty-type amplifiers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
FI20055430A 2004-08-26 2005-08-10 Piiri Doherty-vahvistimien rinnankäyttöä varten FI124916B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004246593 2004-08-26
JP2004246593A JP4715994B2 (ja) 2004-08-26 2004-08-26 ドハティ増幅器並列運転回路

Publications (3)

Publication Number Publication Date
FI20055430A0 FI20055430A0 (fi) 2005-08-10
FI20055430A true FI20055430A (fi) 2006-02-27
FI124916B FI124916B (fi) 2015-03-31

Family

ID=34909599

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20055430A FI124916B (fi) 2004-08-26 2005-08-10 Piiri Doherty-vahvistimien rinnankäyttöä varten

Country Status (6)

Country Link
US (1) US7262656B2 (fi)
JP (1) JP4715994B2 (fi)
KR (1) KR100779641B1 (fi)
CN (1) CN100492894C (fi)
FI (1) FI124916B (fi)
SE (1) SE528200C2 (fi)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7710202B2 (en) * 2003-09-17 2010-05-04 Nec Corporation Amplifier
US7453320B2 (en) * 2003-09-17 2008-11-18 Nec Corporation Amplifier
SE0302586D0 (sv) * 2003-09-26 2003-09-26 Ericsson Telefon Ab L M Composite power amplifier
JP2007312031A (ja) * 2006-05-17 2007-11-29 Matsushita Electric Ind Co Ltd 電子デバイス
KR100749870B1 (ko) * 2006-06-07 2007-08-17 (주) 와이팜 도허티 전력 증폭 장치
KR100760519B1 (ko) * 2006-07-28 2007-09-20 김종헌 2단 도허티 전력 증폭 장치
WO2008053534A1 (en) * 2006-10-31 2008-05-08 Panasonic Corporation Doherty amplifier
US20100026387A1 (en) * 2006-11-23 2010-02-04 Nxp, B.V. Integrated doherty type amplifier arrangement with high power efficiency
US8274332B2 (en) * 2007-04-23 2012-09-25 Dali Systems Co. Ltd. N-way Doherty distributed power amplifier with power tracking
CN101803181A (zh) * 2007-09-03 2010-08-11 Nxp股份有限公司 多路多赫尔蒂放大器
US7629844B2 (en) * 2008-01-01 2009-12-08 Intel Corporation Device, system, and method of semi-Doherty outphasing amplification
US8508295B2 (en) * 2008-04-24 2013-08-13 Nec Corporation Amplifier
US7764120B2 (en) * 2008-08-19 2010-07-27 Cree, Inc. Integrated circuit with parallel sets of transistor amplifiers having different turn on power levels
WO2010068152A1 (en) * 2008-12-09 2010-06-17 Telefonaktiebolaget L M Ericsson (Publ) Multi-stage amplifier
US8190110B2 (en) 2009-02-02 2012-05-29 Fujitsu Semiconductor Limited Power amplifier comprising a slotted power combiner
KR101066640B1 (ko) 2009-10-05 2011-09-22 주식회사 피플웍스 2단 연결 바이어스 혼합 전력 증폭 장치
WO2011046031A1 (ja) * 2009-10-13 2011-04-21 日本電気株式会社 電力増幅器およびその動作方法
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
KR101124425B1 (ko) * 2010-01-20 2012-03-22 포항공과대학교 산학협력단 분포 도허티 전력 증폭기
EP2362541A1 (en) * 2010-02-25 2011-08-31 Alcatel Lucent Parallel amplifier
EP2393201A1 (en) 2010-06-02 2011-12-07 Nxp B.V. Two stage doherty amplifier
JP2012029239A (ja) * 2010-07-27 2012-02-09 Sumitomo Electric Device Innovations Inc ドハティ増幅器
KR101057736B1 (ko) * 2010-09-27 2011-08-18 (주)파트론 결합기-써큘레이터 일체형 통신소자 및 그를 포함하는 도허티 증폭기
EP2458730B8 (en) * 2010-11-29 2015-08-05 Nxp B.V. Radiofrequency amplifier
EP2521257B1 (en) 2011-05-06 2014-11-12 Nxp B.V. Doherty amplifier circuit
US9306502B2 (en) 2011-05-09 2016-04-05 Qualcomm Incorporated System providing switchable impedance transformer matching for power amplifiers
KR101255821B1 (ko) * 2011-06-17 2013-04-24 주식회사 피플웍스 삽입형 바이어스 혼합 전력 증폭장치
US8912846B2 (en) * 2011-07-25 2014-12-16 Kathrein-Werke Kg Doherty amplifier arrangement
US8798561B2 (en) * 2011-09-08 2014-08-05 Alcatel Lucent Radio-frequency circuit having a transcoupling element
US8649744B2 (en) 2011-09-08 2014-02-11 Alcatel Lucent Radio-frequency transmitter, such as for broadcasting and cellular base stations
US8581662B2 (en) * 2011-09-27 2013-11-12 Harris Corporation Amplifying system
US8670732B2 (en) 2011-11-11 2014-03-11 Hbc Solutions, Inc. Broadband amplifier system using a 3dB quadrature combiner to dynamically modulate load impedance
US8718580B2 (en) 2011-11-11 2014-05-06 Hbc Solutions, Inc. Broadband high efficiency amplifier system incorporating dynamic modulation of load impedance
CN102427332B (zh) 2011-11-28 2015-04-08 华为技术有限公司 Doherty功率放大器及提高其功放效率的方法、设备
US8514007B1 (en) 2012-01-27 2013-08-20 Freescale Semiconductor, Inc. Adjustable power splitter and corresponding methods and apparatus
US9203348B2 (en) 2012-01-27 2015-12-01 Freescale Semiconductor, Inc. Adjustable power splitters and corresponding methods and apparatus
US8970297B2 (en) 2012-03-19 2015-03-03 Qualcomm Incorporated Reconfigurable input power distribution doherty amplifier with improved efficiency
KR101712254B1 (ko) * 2012-05-29 2017-03-03 닛본 덴끼 가부시끼가이샤 다계통 증폭 장치
US9219444B2 (en) 2012-08-02 2015-12-22 Imagine Communications Corp. Broadband high efficiency amplifier system and a method of constructing high power amplitude modulated RF signal
US9503029B2 (en) 2012-09-14 2016-11-22 Nec Corporation Transmitting amplifier and transmitter
JP5900630B2 (ja) 2012-09-14 2016-04-06 日本電気株式会社 送信機、信号合成回路、信号合成方法
WO2014061333A1 (ja) * 2012-10-17 2014-04-24 日本電気株式会社 送信増幅器
US9031518B2 (en) 2012-12-17 2015-05-12 Qualcomm Incorporated Concurrent hybrid matching network
US8948306B2 (en) 2013-01-11 2015-02-03 Gatesair, Inc. Broadband high efficiency amplifier system
US8952754B2 (en) 2013-03-15 2015-02-10 Imagine Communications Corp. Linearization of heterogeneous power amplifier systems
CN103199798B (zh) * 2013-03-20 2015-12-02 华为技术有限公司 一种多赫蒂功率放大电路及功率放大器
US9124217B2 (en) * 2013-05-15 2015-09-01 City University Of Hong Kong Power amplifier
CN105229921A (zh) * 2013-08-21 2016-01-06 华为技术有限公司 平衡式Doherty功率放大器电路和无线发射机
US9225291B2 (en) 2013-10-29 2015-12-29 Freescale Semiconductor, Inc. Adaptive adjustment of power splitter
US9628027B2 (en) 2014-03-14 2017-04-18 Nxp Usa, Inc. Multi-path devices with mutual inductance compensation networks and methods thereof
CN106105030B (zh) * 2014-03-19 2020-12-25 瑞典爱立信有限公司 放大器电路和方法
KR101531232B1 (ko) * 2014-03-21 2015-06-24 알.에프 에이치아이씨 주식회사 광대역 도허티 결합기
JP5913442B2 (ja) * 2014-06-18 2016-04-27 住友電工デバイス・イノベーション株式会社 ドハティ増幅器
US9774299B2 (en) 2014-09-29 2017-09-26 Nxp Usa, Inc. Modifiable signal adjustment devices for power amplifiers and corresponding methods and apparatus
US9979356B2 (en) 2014-12-17 2018-05-22 Nxp Usa, Inc. Magnetically coupled load modulation
WO2016113905A1 (ja) * 2015-01-16 2016-07-21 株式会社日立国際電気 ドハティ方式増幅器および電力増幅器
US10205424B2 (en) 2015-05-12 2019-02-12 Telefonaktiebolaget Lm Ericsson (Publ) Composite power amplifier
US9647611B1 (en) 2015-10-28 2017-05-09 Nxp Usa, Inc. Reconfigurable power splitters and amplifiers, and corresponding methods
CN105897181B (zh) * 2016-05-24 2018-11-09 桂林市思奇通信设备有限公司 一种高速率数字信号发射机功率放大装置
CN107786169A (zh) * 2016-08-25 2018-03-09 中兴通讯股份有限公司 功率放大器
CA3066643A1 (en) * 2017-07-21 2019-01-24 Telefonaktiebolaget Lm Ericsson (Publ) Multistage doherty power amplifier and transmitter
US20200136564A1 (en) * 2017-07-27 2020-04-30 Mitsubishi Electric Corporation Doherty amplifier and amplification circuit
EP3997788A4 (en) * 2019-07-11 2022-07-13 Telefonaktiebolaget LM Ericsson (publ) POWER AMPLIFIER ARRANGEMENT WITH RUTHROFF TRANSFORMER
US11108361B2 (en) * 2019-08-15 2021-08-31 Nxp Usa, Inc. Integrated multiple-path power amplifier with interdigitated transistors
WO2022054936A1 (ja) * 2020-09-14 2022-03-17 株式会社村田製作所 電力増幅回路

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419813A (en) 1967-06-22 1968-12-31 Rca Corp Wide-band transistor power amplifier using a short impedance matching section
JPS61248606A (ja) * 1985-04-26 1986-11-05 Matsushita Electric Ind Co Ltd 高周波電力増幅器
US5121090A (en) * 1990-04-09 1992-06-09 Tektronix, Inc. Balun providing dual balanced outputs
JP3024687B2 (ja) * 1990-06-05 2000-03-21 三菱電機株式会社 半導体記憶装置
JPH05121916A (ja) 1991-10-29 1993-05-18 Japan Radio Co Ltd 高周波電力分配・合成回路
US5285175A (en) 1992-09-03 1994-02-08 Rockwell International Tri-phase combiner/splitter system
JP3487461B2 (ja) * 1994-12-17 2004-01-19 ソニー株式会社 変成器及び増幅器
US5568086A (en) * 1995-05-25 1996-10-22 Motorola, Inc. Linear power amplifier for high efficiency multi-carrier performance
US5786727A (en) * 1996-10-15 1998-07-28 Motorola, Inc. Multi-stage high efficiency linear power amplifier and method therefor
JP3497702B2 (ja) * 1997-08-12 2004-02-16 三菱電機株式会社 バラン及びプッシュプル増幅器
JP3811551B2 (ja) * 1997-09-17 2006-08-23 松下電器産業株式会社 高出力電力増幅器
US5886575A (en) * 1997-09-30 1999-03-23 Motorola, Inc. Apparatus and method for amplifying a signal
US6037840A (en) * 1997-12-18 2000-03-14 Lucent Technologies, Inc. Article comprising a combiner-splitter
JP2000165115A (ja) * 1998-11-27 2000-06-16 Mitsubishi Materials Corp 伝送線路トランスおよび該伝送線路トランスを用いた電力増幅器
JP2001203540A (ja) * 2000-01-19 2001-07-27 Hitachi Ltd 高周波電力増幅器
JP2001267861A (ja) * 2000-03-22 2001-09-28 Nihon Koshuha Co Ltd 高周波電力増幅回路
US6320462B1 (en) * 2000-04-12 2001-11-20 Raytheon Company Amplifier circuit
KR100546491B1 (ko) * 2001-03-21 2006-01-26 학교법인 포항공과대학교 초고주파 도허티 증폭기의 출력 정합 장치
US6469581B1 (en) * 2001-06-08 2002-10-22 Trw Inc. HEMT-HBT doherty microwave amplifier
US6737914B2 (en) * 2001-12-07 2004-05-18 4D Connect, Inc. Removing effects of gain and phase mismatch in a linear amplification with nonlinear components (LINC) system
US6737922B2 (en) * 2002-01-28 2004-05-18 Cree Microwave, Inc. N-way RF power amplifier circuit with increased back-off capability and power added efficiency using unequal input power division
US6791417B2 (en) * 2002-01-28 2004-09-14 Cree Microwave, Inc. N-way RF power amplifier circuit with increased back-off capability and power added efficiency using selected phase lengths and output impedances
US6700444B2 (en) * 2002-01-28 2004-03-02 Cree Microwave, Inc. N-way RF power amplifier with increased backoff power and power added efficiency
KR100553252B1 (ko) * 2002-02-01 2006-02-20 아바고테크놀로지스코리아 주식회사 휴대용 단말기의 전력 증폭 장치
AU2003247109A1 (en) * 2002-08-19 2004-03-03 Koninklijke Philips Electronics N.V. High power doherty amplifier
KR100450744B1 (ko) 2002-08-29 2004-10-01 학교법인 포항공과대학교 도허티 증폭기
US7196578B2 (en) * 2003-05-30 2007-03-27 Lucent Technologies Inc. Amplifier memory effect compensator
KR100654650B1 (ko) * 2004-11-25 2006-12-08 아바고테크놀로지스코리아 주식회사 하이브리드 커플러가 없는 직렬구조의 도허티 증폭기

Also Published As

Publication number Publication date
JP2006067176A (ja) 2006-03-09
JP4715994B2 (ja) 2011-07-06
SE0501794L (sv) 2006-02-27
CN100492894C (zh) 2009-05-27
SE528200C2 (sv) 2006-09-26
FI124916B (fi) 2015-03-31
FI20055430A0 (fi) 2005-08-10
KR100779641B1 (ko) 2007-11-26
KR20060053159A (ko) 2006-05-19
US20060044060A1 (en) 2006-03-02
US7262656B2 (en) 2007-08-28
CN1741373A (zh) 2006-03-01

Similar Documents

Publication Publication Date Title
FI20055430A0 (fi) Piiri Doherty-vahvistimien rinnankäyttöä varten
DK1934236T3 (da) Heterobifunktionelle pan-selektininhibitorer
CY2014013I1 (el) Αναστολεις διπεπτιδυλ πεπτιδασης
DK1940839T3 (da) Pyridopyrimidione Inhibitors of P13Ka
DK1948666T3 (da) HIV-intergrasehæmmere
CY2014011I2 (el) Χορηγηση αναστολεων διπεπτιδυλοπεπτιδασης
SE0502218L (sv) Hydraulisk energiförstärkare
DE602005000437D1 (de) Leistungsregelung für Leistungsverstärker
DE602006016892D1 (de) Hochfrequenzleistungsverstärker
DK2041138T3 (da) Pyrroltriazinkinase-inhibitorer
DK2024375T3 (da) Cyclopropyl-kondenserede indolobenzazepin-HCV-NS5B-hæmmere
NO20076678L (no) Glutamataggrekanaseinhibitorer
ATE400271T1 (de) Aryl-pyridinderivate als 11-beta-hsd1-hemmer
ATE420076T1 (de) Indozolonderivate als 11b-hsd1-inhibitoren
DK1538868T3 (da) Audio forstærker-apparatur
ATE545642T1 (de) Mmp-inhibitoren
DE602005006464D1 (de) Ramanverstärker
DK2066662T3 (da) Serinhydrolaseinhibitorer
DE602006021087D1 (de) Vorverzerrer für einen Leistungsverstärker
ATE429417T1 (de) Hiv-protease-inhibitoren
DE602005001311D1 (de) Schaltverstärker
DK1789079T3 (da) Insulinregulrede aminopeptidase (IRAP)-inhibitorer og anvendelser deraf
DE602007001940D1 (de) Schaltung eines variablen Leistungsverstärkers
DE602006000131D1 (de) Bandauswahl-Vorwärtskopplungsverstärker
DK1799707T3 (da) Rekombineret Kunitztypeinhibitor

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 124916

Country of ref document: FI

Kind code of ref document: B

MM Patent lapsed