IT1285190B1 - Amplificatore di potenza lineare per prestazioni in multi-portante ad alta efficienza. - Google Patents

Amplificatore di potenza lineare per prestazioni in multi-portante ad alta efficienza.

Info

Publication number
IT1285190B1
IT1285190B1 IT96RM000329A ITRM960329A IT1285190B1 IT 1285190 B1 IT1285190 B1 IT 1285190B1 IT 96RM000329 A IT96RM000329 A IT 96RM000329A IT RM960329 A ITRM960329 A IT RM960329A IT 1285190 B1 IT1285190 B1 IT 1285190B1
Authority
IT
Italy
Prior art keywords
power amplifier
high efficiency
linear power
efficiency multi
carrier performance
Prior art date
Application number
IT96RM000329A
Other languages
English (en)
Inventor
Jack J Schuss
Peter R Maloney
David M Upton
Robert J Mcmorrow
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of ITRM960329A0 publication Critical patent/ITRM960329A0/it
Publication of ITRM960329A1 publication Critical patent/ITRM960329A1/it
Application granted granted Critical
Publication of IT1285190B1 publication Critical patent/IT1285190B1/it

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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Microwave Amplifiers (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
IT96RM000329A 1995-05-25 1996-05-13 Amplificatore di potenza lineare per prestazioni in multi-portante ad alta efficienza. IT1285190B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/450,055 US5568086A (en) 1995-05-25 1995-05-25 Linear power amplifier for high efficiency multi-carrier performance

Publications (3)

Publication Number Publication Date
ITRM960329A0 ITRM960329A0 (it) 1996-05-13
ITRM960329A1 ITRM960329A1 (it) 1997-11-13
IT1285190B1 true IT1285190B1 (it) 1998-06-03

Family

ID=23786590

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96RM000329A IT1285190B1 (it) 1995-05-25 1996-05-13 Amplificatore di potenza lineare per prestazioni in multi-portante ad alta efficienza.

Country Status (3)

Country Link
US (1) US5568086A (it)
JP (1) JPH08330873A (it)
IT (1) IT1285190B1 (it)

Families Citing this family (75)

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US5974041A (en) * 1995-12-27 1999-10-26 Qualcomm Incorporated Efficient parallel-stage power amplifier
US5757229A (en) * 1996-06-28 1998-05-26 Motorola, Inc. Bias circuit for a power amplifier
US6069525A (en) * 1997-04-17 2000-05-30 Qualcomm Incorporated Dual-mode amplifier with high efficiency and high linearity
US6097252A (en) * 1997-06-02 2000-08-01 Motorola, Inc. Method and apparatus for high efficiency power amplification
US5886573A (en) * 1998-03-06 1999-03-23 Fujant, Inc. Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier
FR2776868B1 (fr) 1998-03-30 2000-08-11 Alsthom Cge Alcatel Compensation de dynamique des signaux pour repeteur de telecommunications spatiales
US6359506B1 (en) * 1998-04-02 2002-03-19 Ericsson Inc. Linear modulation using a linear and a non-linear amplifier
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US6008698A (en) * 1998-05-18 1999-12-28 Omnipoint Corporation Amplifier with dynamically adaptable supply current
US6081161A (en) * 1998-05-18 2000-06-27 Omnipoint Corporation Amplifier with dynamatically adaptable supply voltage
US5990738A (en) * 1998-06-19 1999-11-23 Datum Telegraphic Inc. Compensation system and methods for a linear power amplifier
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US5990734A (en) * 1998-06-19 1999-11-23 Datum Telegraphic Inc. System and methods for stimulating and training a power amplifier during non-transmission events
US6054894A (en) * 1998-06-19 2000-04-25 Datum Telegraphic Inc. Digital control of a linc linear power amplifier
US6028485A (en) * 1998-08-03 2000-02-22 Motorola, Inc. Power amplification apparatus and method therefor
US6069526A (en) * 1998-08-04 2000-05-30 Qualcomm Incorporated Partial or complete amplifier bypass
US6262629B1 (en) 1999-07-06 2001-07-17 Motorola, Inc. High efficiency power amplifier having reduced output matching networks for use in portable devices
US6374092B1 (en) * 1999-12-04 2002-04-16 Motorola, Inc. Efficient multimode power amplifier
US6300835B1 (en) 1999-12-10 2001-10-09 Motorola, Inc. Power amplifier core
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US6864742B2 (en) * 2001-06-08 2005-03-08 Northrop Grumman Corporation Application of the doherty amplifier as a predistortion circuit for linearizing microwave amplifiers
US20020186079A1 (en) * 2001-06-08 2002-12-12 Kobayashi Kevin W. Asymmetrically biased high linearity balanced amplifier
ITRM20010323A1 (it) 2001-06-08 2002-12-09 Tes Teleinformatica E Sistemi Ricetrasmettitore, o transponder, ad elevata stabilita' di fase, particolarmente per sistemi radar ad apertura sintetica, o sar.
GB0114266D0 (en) * 2001-06-12 2001-08-01 Ciba Sc Holding Ag Laser marking method
SE522479C2 (sv) * 2002-01-16 2004-02-10 Ericsson Telefon Ab L M Sammansatt effektförstärkare
KR100553252B1 (ko) * 2002-02-01 2006-02-20 아바고테크놀로지스코리아 주식회사 휴대용 단말기의 전력 증폭 장치
GB2393866A (en) * 2002-09-06 2004-04-07 Filtronic Plc A class F Doherty amplifier using PHEMTs
US6970039B2 (en) * 2002-10-23 2005-11-29 Anadigics Efficiency enhancement for MMIC amplifiers
JP2004222151A (ja) 2003-01-17 2004-08-05 Nec Corp ドハーティ増幅器
DE10340812A1 (de) * 2003-09-04 2005-04-28 Siemens Ag Lineare Verstärkeranordnung mit nichtlinearem Verstärkerelement für eine mobile Funkeinrichtung
JP4520204B2 (ja) * 2004-04-14 2010-08-04 三菱電機株式会社 高周波電力増幅器
JP4715994B2 (ja) * 2004-08-26 2011-07-06 日本電気株式会社 ドハティ増幅器並列運転回路
KR20060032270A (ko) * 2004-10-11 2006-04-17 아바고테크놀로지스코리아 주식회사 능동 위상 보상기를 이용한 도허티 증폭기
CN101494439B (zh) * 2004-11-05 2012-03-28 株式会社日立国际电气 放大器
JP2006157900A (ja) * 2004-11-05 2006-06-15 Hitachi Kokusai Electric Inc 増幅器
US7295065B2 (en) * 2004-11-18 2007-11-13 Beecem Communications Inc. High efficiency doherty amplifier with a segmented main amplifier
JP4541113B2 (ja) * 2004-11-19 2010-09-08 パナソニック株式会社 ドハティアンプ
WO2006066461A1 (en) * 2004-12-24 2006-06-29 Huawei Technologies Co., Ltd. Butler doherty power amplifier
JP4793807B2 (ja) * 2005-05-24 2011-10-12 株式会社日立国際電気 増幅器
US7362170B2 (en) * 2005-12-01 2008-04-22 Andrew Corporation High gain, high efficiency power amplifier
US7831221B2 (en) * 2005-12-13 2010-11-09 Andrew Llc Predistortion system and amplifier for addressing group delay modulation
ATE545198T1 (de) * 2005-12-30 2012-02-15 Ericsson Telefon Ab L M Effizienter zusammengesetzter verstärker
CN100426662C (zh) * 2006-03-22 2008-10-15 华为技术有限公司 一种功率放大器
US20070286308A1 (en) * 2006-06-12 2007-12-13 Thomas Holtzman Williams System and method for modulated signal generation method using two equal, constant-amplitude, adjustable-phase carrier waves
JP4486620B2 (ja) * 2006-06-23 2010-06-23 株式会社エヌ・ティ・ティ・ドコモ マルチバンドドハティ増幅器
KR100862056B1 (ko) * 2007-08-06 2008-10-14 (주) 와이팜 광대역 전력 증폭 장치
JP4584293B2 (ja) * 2007-08-31 2010-11-17 富士通株式会社 窒化物半導体装置、ドハティ増幅器、ドレイン電圧制御増幅器
US7521995B1 (en) * 2007-09-28 2009-04-21 Motorola, Inc. Inverted doherty amplifier with increased off-state impedence
EP2273672B1 (en) * 2008-03-25 2018-12-19 Mitsubishi Electric Corporation Low distortion amplifier and doherty amplifier using low distortion amplifier
JP2009232368A (ja) * 2008-03-25 2009-10-08 Fujitsu Ltd 増幅装置及び増幅器故障検出方法
US7619468B1 (en) * 2008-09-30 2009-11-17 Nortel Networks Limited Doherty amplifier with drain bias supply modulation
US7961048B2 (en) * 2008-12-12 2011-06-14 Samsung Electro-Mechanics Company Integrated power amplifiers for use in wireless communication devices
US8115546B2 (en) * 2009-05-15 2012-02-14 Samsung Electronics Co., Ltd. Apparatus and method for maximizing performance of peaking amplifier in doherty amplifier
US8536950B2 (en) * 2009-08-03 2013-09-17 Qualcomm Incorporated Multi-stage impedance matching
US8102205B2 (en) 2009-08-04 2012-01-24 Qualcomm, Incorporated Amplifier module with multiple operating modes
US9209511B2 (en) 2011-10-14 2015-12-08 Anaren, Inc. Doherty power amplifier network
EP2634916A1 (en) * 2012-02-29 2013-09-04 Alcatel Lucent Doherty amplifier
US9692361B2 (en) * 2013-01-10 2017-06-27 Nxp Usa, Inc. Doherty amplifier
EP2806557B1 (en) 2013-05-23 2017-03-08 Ampleon Netherlands B.V. Doherty amplifier
JP6218120B2 (ja) 2014-07-10 2017-10-25 株式会社村田製作所 電力増幅器
WO2016056953A1 (en) * 2014-10-06 2016-04-14 Telefonaktiebolaget L M Ericsson (Publ) Amplifier circuit and method
WO2017141453A1 (ja) 2016-02-17 2017-08-24 株式会社村田製作所 電力増幅器
CN108123690B (zh) * 2016-11-30 2023-04-28 住友电工光电子器件创新株式会社 多赫蒂放大器
WO2018138763A1 (ja) * 2017-01-24 2018-08-02 三菱電機株式会社 ドハティ増幅器
US11011813B2 (en) * 2019-07-12 2021-05-18 Nxp B.V. Power amplifier with shielded transmission lines
US11070173B2 (en) 2019-08-08 2021-07-20 Honeywell International Inc. Wide band Doherty power amplifier
JP2021166376A (ja) 2020-04-07 2021-10-14 株式会社村田製作所 電力増幅モジュール
US11929721B2 (en) 2020-04-07 2024-03-12 Murata Manufacturing Co., Ltd. Power amplifier module

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JPH0495409A (ja) * 1990-08-13 1992-03-27 Fujitsu Ltd 増幅器
US5083094A (en) * 1990-09-28 1992-01-21 Space Systems/Loral, Inc. Selective power combiner using phase shifters
US5066925A (en) * 1990-12-10 1991-11-19 Westinghouse Electric Corp. Multi push-pull MMIC power amplifier
US5214394A (en) * 1991-04-15 1993-05-25 Rockwell International Corporation High efficiency bi-directional spatial power combiner amplifier
US5166639A (en) * 1991-10-29 1992-11-24 Sgs-Thomson Microelectronics, Inc. High gain mololithic microwave integrated circuit amplifier
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Also Published As

Publication number Publication date
ITRM960329A0 (it) 1996-05-13
ITRM960329A1 (it) 1997-11-13
JPH08330873A (ja) 1996-12-13
US5568086A (en) 1996-10-22

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