IN2014DN09407A - - Google Patents

Info

Publication number
IN2014DN09407A
IN2014DN09407A IN9407DEN2014A IN2014DN09407A IN 2014DN09407 A IN2014DN09407 A IN 2014DN09407A IN 9407DEN2014 A IN9407DEN2014 A IN 9407DEN2014A IN 2014DN09407 A IN2014DN09407 A IN 2014DN09407A
Authority
IN
India
Prior art keywords
amplifier
microstrip
main amplifier
peak
main
Prior art date
Application number
Other languages
English (en)
Inventor
Zhongyu Liao
Yuanchun Xie
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 IN2014DN09407A publication Critical patent/IN2014DN09407A/en

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
    • H03F1/02—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
    • H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
    • 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
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • 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
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/255—Amplifier input adaptation especially for transmission line coupling purposes, e.g. impedance adaptation
    • 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
    • H03F2200/543—A transmission line being used as coupling element between two amplifying stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/546—A tunable capacitance being present in an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21139—An impedance adaptation circuit being added at the output of a power amplifier stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
IN9407DEN2014 2012-06-21 2012-06-21 IN2014DN09407A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/000862 WO2013188994A1 (en) 2012-06-21 2012-06-21 Doherty amplifier

Publications (1)

Publication Number Publication Date
IN2014DN09407A true IN2014DN09407A (de) 2015-07-17

Family

ID=49767996

Family Applications (1)

Application Number Title Priority Date Filing Date
IN9407DEN2014 IN2014DN09407A (de) 2012-06-21 2012-06-21

Country Status (5)

Country Link
US (1) US9484864B2 (de)
EP (1) EP2865095B1 (de)
CN (1) CN104604125A (de)
IN (1) IN2014DN09407A (de)
WO (1) WO2013188994A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106357223A (zh) * 2015-07-17 2017-01-25 中兴通讯股份有限公司 功放电路及其负载阻抗调制方法
WO2017199366A1 (ja) * 2016-05-18 2017-11-23 三菱電機株式会社 ドハティ増幅器
US11114988B2 (en) * 2019-05-24 2021-09-07 Cree, Inc. Doherty amplifier circuit with integrated harmonic termination
US20250357897A1 (en) * 2024-05-17 2025-11-20 Nxp Usa, Inc. Doherty power amplifiers with reconfigurable output circuits

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR101484796B1 (ko) 2007-04-23 2015-01-20 달리 시스템즈 씨오. 엘티디. Ｎ-웨이 도허티 분산형 전력 증폭기
EP2215716B1 (de) * 2007-11-19 2019-04-24 Telefonaktiebolaget LM Ericsson (publ) Zusammengesetzter verstärker, funkendgerät und verfahren zur verbesserung des wirkungsgrads des zusammengesetzten verstärkers
CN101783652A (zh) 2010-01-18 2010-07-21 顾晓龙 一种易于实现的多级Doherty功放
US8314654B2 (en) * 2010-05-17 2012-11-20 Alcatel Lucent Multi-band high-efficiency Doherty amplifier
US8576010B2 (en) * 2010-10-19 2013-11-05 Samsung Electronics Co., Ltd. Apparatus and method for a switched capacitor architecture for multi-band doherty power amplifiers
CN102355198B (zh) * 2011-08-01 2013-11-27 深圳大学 多路非对称Doherty功率放大器
US8717102B2 (en) * 2011-09-27 2014-05-06 Infineon Technologies Ag RF device with compensatory resonator matching topology
US8717099B2 (en) * 2012-03-16 2014-05-06 Infineon Technologies Ag Wideband doherty amplifier circuit with peaking impedance absorption
US9537198B2 (en) * 2013-10-01 2017-01-03 Telefonaktiebolaget L M Ericsson (Publ) Wideband impedance transformer

Also Published As

Publication number Publication date
US9484864B2 (en) 2016-11-01
EP2865095B1 (de) 2020-02-26
CN104604125A (zh) 2015-05-06
US20150130541A1 (en) 2015-05-14
WO2013188994A1 (en) 2013-12-27
EP2865095A1 (de) 2015-04-29
EP2865095A4 (de) 2016-01-27

Similar Documents

Publication Publication Date Title
WO2013071152A3 (en) Flip-chip linear power amplifier with high power added efficiency
WO2011143095A3 (en) Multiple e-probe waveguide power combiner/divider
WO2013142529A3 (en) Reconfigurable input power distribution doherty amplifier with improved efficiency
EP4679660A3 (de) Wirkungsgradüberwachung für induktive energieübertragung
GB2510084A (en) Apparatus and methods for power amplifiers
PH12013501418A1 (en) Wireless energy sources for integrated circuits
WO2014118345A3 (en) Envelope tracking modulator with feedback
WO2012125279A3 (en) Enhanced doherty amplifier
WO2012173707A3 (en) Methods and apparatus for constant power/current control for switch-mode power converters
IN2014DN09407A (de)
EP2450770A3 (de) Photovoltaikumrichter mit diskontinuierlichem Leitungsstrommodus zur Höchstleistungsbegrenzung
WO2016176318A3 (en) Smart power node
TW201613259A (en) Adaptive envelope tracking for biasing radio frequency power amplifiers
EP3503388A4 (de) Verstärkungsschaltung für harmonische leistung mit hoher effizienz und hoher bandbreite sowie hochfrequenzleistungsverstärker
WO2011146800A3 (en) High heat electric fireplace
WO2013020998A3 (en) Direct electrical heating arrangement comprising a power electronic converter
WO2010081746A3 (en) Power control of serially connected cells
CA2735026C (en) Power combiner/distributor and transmitter using the power combiner/distributor
WO2014037926A3 (en) High-frequency drain power supply to decrease power dissipation in class-ab power amplifiers
DE602008006728D1 (de) Kombinierter Mehrpfad-Leistungsverstärker mit hohem Wirkungsgrad
EP2693631A3 (de) Vorrichtung, Verfahren und mobiles Endgerät zur Reduktion des Stromverbrauchs bei Leistungsverstärkern
WO2013001059A3 (de) Doherty-verstärker mit wirkungsgradoptimierung
WO2008105073A1 (ja) 送信装置
EP4131714A3 (de) Leistungswandlerschaltung sowie ladegerät und system
CN202550967U (zh) L波段50w功率放大器