IN2014DN10711A - - Google Patents

Info

Publication number
IN2014DN10711A
IN2014DN10711A IN10711DEN2014A IN2014DN10711A IN 2014DN10711 A IN2014DN10711 A IN 2014DN10711A IN 10711DEN2014 A IN10711DEN2014 A IN 10711DEN2014A IN 2014DN10711 A IN2014DN10711 A IN 2014DN10711A
Authority
IN
India
Prior art keywords
directional coupler
amplifier
coupler device
output
input
Prior art date
Application number
Other languages
English (en)
Inventor
Daniel Åkesson
Virtanen Lars Ridell
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
Publication of IN2014DN10711A publication Critical patent/IN2014DN10711A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—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
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/387—A circuit being added at the output of an amplifier to adapt the output impedance of the amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/39—Different band amplifiers are coupled in parallel to broadband the whole amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/423—Amplifier output adaptation especially for transmission line coupling purposes, e.g. impedance adaptation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
IN10711DEN2014 2012-07-05 2012-07-05 IN2014DN10711A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2012/050788 WO2014007703A1 (en) 2012-07-05 2012-07-05 Amplifier device and corresponding radio base station and mobile communication terminal

Publications (1)

Publication Number Publication Date
IN2014DN10711A true IN2014DN10711A (ja) 2015-09-04

Family

ID=46634493

Family Applications (1)

Application Number Title Priority Date Filing Date
IN10711DEN2014 IN2014DN10711A (ja) 2012-07-05 2012-07-05

Country Status (4)

Country Link
US (1) US9425756B2 (ja)
EP (1) EP2870691A1 (ja)
IN (1) IN2014DN10711A (ja)
WO (1) WO2014007703A1 (ja)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US9431969B2 (en) 2012-12-11 2016-08-30 Rf Micro Devices, Inc. Doherty power amplifier with tunable impedance load
US9397617B2 (en) 2013-06-25 2016-07-19 Rf Micro Devices, Inc. Multi-broadband Doherty power amplifier
US9948243B2 (en) 2013-09-30 2018-04-17 Qorvo Us, Inc. Reconfigurable load modulation amplifier
US9484865B2 (en) 2013-09-30 2016-11-01 Qorvo Us, Inc. Reconfigurable load modulation amplifier
US9369095B2 (en) 2014-01-27 2016-06-14 Rf Micro Devices, Inc. Unbalanced linear power amplifier
US9800207B2 (en) * 2014-08-13 2017-10-24 Skyworks Solutions, Inc. Doherty power amplifier combiner with tunable impedance termination circuit
US9831857B2 (en) * 2015-03-11 2017-11-28 Peregrine Semiconductor Corporation Power splitter with programmable output phase shift
CN106571781B (zh) * 2015-10-08 2020-09-25 大唐移动通信设备有限公司 一种Doherty功率放大电路
US9484861B1 (en) 2015-11-24 2016-11-01 King Fahd University Of Petroleum And Minerals Method for system level oriented load-pull-based envelope tracking power amplifiers
WO2017192075A1 (en) * 2016-05-03 2017-11-09 Telefonaktiebolaget Lm Ericsson (Publ) An amplifier arrangement
US9948246B1 (en) * 2016-10-18 2018-04-17 Mitsubishi Electric Research Laboratories, Inc. Impedance flattening network for high efficiency wideband doherty power amplifier
WO2018205237A1 (zh) * 2017-05-12 2018-11-15 清华大学 基于单频线的毫米波双频Doherty功率放大器
US10236833B2 (en) 2017-08-02 2019-03-19 Infineon Technologies Ag RF amplifier with dual frequency response capacitor
US10122336B1 (en) * 2017-09-20 2018-11-06 Cree, Inc. Broadband harmonic matching network
WO2019071563A1 (en) * 2017-10-13 2019-04-18 Telefonaktiebolaget Lm Ericsson (Publ) DOHERTY POWER AMPLIFIER AND DEVICE
US11336253B2 (en) 2017-11-27 2022-05-17 Wolfspeed, Inc. RF power amplifier with combined baseband, fundamental and harmonic tuning network
US10411659B2 (en) 2018-01-25 2019-09-10 Cree, Inc. RF power amplifier with frequency selective impedance matching network
US11108361B2 (en) * 2019-08-15 2021-08-31 Nxp Usa, Inc. Integrated multiple-path power amplifier with interdigitated transistors
US10862434B1 (en) * 2019-10-29 2020-12-08 Nxp Usa, Inc. Asymmetric Doherty amplifier with complex combining load matching circuit
US10868500B1 (en) * 2019-10-29 2020-12-15 Nxp Usa, Inc. Doherty amplifier with complex combining load matching circuit
US11522497B2 (en) * 2020-05-26 2022-12-06 Nxp Usa, Inc. Doherty amplifier incorporating output matching network with integrated passive devices
US11329615B2 (en) 2020-05-28 2022-05-10 Psemi Corporation Balanced amplifier arrangement for power control and improved deep back-off efficiency
CN113381699B (zh) * 2021-05-14 2022-09-30 杭州电子科技大学 一种并发双频高效率Doherty功率放大器及其设计方法
CN113708731B (zh) * 2021-08-25 2022-07-29 优镓科技(北京)有限公司 一种基于相位失配的线性度增强Doherty功率放大器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1609239B1 (en) * 2003-03-28 2010-07-21 Andrew AG High efficiency amplifier and method of designing same
US8180303B2 (en) 2008-05-28 2012-05-15 Hollinworth Fund, L.L.C. Power amplifier architectures
CN102142812B (zh) * 2010-12-17 2013-08-28 华为技术有限公司 Doherty功率放大器
DE102012219430B4 (de) * 2012-10-24 2023-07-06 Rohde & Schwarz GmbH & Co. Kommanditgesellschaft Sendersystem mit rekonfigurierbaren Verstärkern

Also Published As

Publication number Publication date
EP2870691A1 (en) 2015-05-13
US20150188504A1 (en) 2015-07-02
US9425756B2 (en) 2016-08-23
WO2014007703A1 (en) 2014-01-09

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