IN2015DN02481A - - Google Patents

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Publication number
IN2015DN02481A
IN2015DN02481A IN2481DEN2015A IN2015DN02481A IN 2015DN02481 A IN2015DN02481 A IN 2015DN02481A IN 2481DEN2015 A IN2481DEN2015 A IN 2481DEN2015A IN 2015DN02481 A IN2015DN02481 A IN 2015DN02481A
Authority
IN
India
Prior art keywords
power amplification
circuit
amplification circuit
rheo
power
Prior art date
Application number
Other languages
English (en)
Inventor
Minde Yu
Li Dai
Tianyin Qin
Wenyu Zhai
Original Assignee
Zte 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 Zte Corp filed Critical Zte Corp
Publication of IN2015DN02481A publication Critical patent/IN2015DN02481A/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
    • 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
    • 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
    • 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
    • H03F2200/171—A filter circuit coupled to the output of an amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/204—A hybrid coupler being used at the output of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/207—A hybrid coupler being used as power measuring circuit at the output of an amplifier circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
IN2481DEN2015 2012-09-18 2013-09-18 IN2015DN02481A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012204762918U CN202818232U (zh) 2012-09-18 2012-09-18 一种Doherty功放电路
PCT/CN2013/083765 WO2014044189A1 (zh) 2012-09-18 2013-09-18 一种Doherty功放电路

Publications (1)

Publication Number Publication Date
IN2015DN02481A true IN2015DN02481A (de) 2015-09-11

Family

ID=47877038

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2481DEN2015 IN2015DN02481A (de) 2012-09-18 2013-09-18

Country Status (5)

Country Link
US (1) US9531325B2 (de)
EP (1) EP2887542B1 (de)
CN (1) CN202818232U (de)
IN (1) IN2015DN02481A (de)
WO (1) WO2014044189A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202818232U (zh) 2012-09-18 2013-03-20 中兴通讯股份有限公司 一种Doherty功放电路
CN107493074A (zh) * 2016-06-12 2017-12-19 中兴通讯股份有限公司 Doherty功放电路
CN106097850A (zh) * 2016-08-22 2016-11-09 中国电子科技集团公司第四十研究所 一种教学实验通路的附加路径损耗补偿电路及方法
US10033335B1 (en) 2017-05-08 2018-07-24 City University Of Hong Kong Doherty power amplifier
US10630241B2 (en) 2018-08-23 2020-04-21 Nxp Usa, Inc. Amplifier with integrated directional coupler

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662294A (en) 1970-05-05 1972-05-09 Motorola Inc Microstrip impedance matching circuit with harmonic terminations
CN1022963C (zh) 1992-04-16 1993-12-01 李学博 微带多路不等功率分配/合成器
US6150898A (en) * 1996-03-22 2000-11-21 Matsushita Electric Industrial Co., Ltd. Low-pass filter with directional coupler and cellular phone
US6922102B2 (en) 2003-03-28 2005-07-26 Andrew Corporation High efficiency amplifier
US7193473B2 (en) 2005-03-24 2007-03-20 Cree, Inc. High power Doherty amplifier using multi-stage modules
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
JP4941553B2 (ja) 2007-04-20 2012-05-30 富士通株式会社 増幅装置及びドハティ増幅回路の制御方法
JP2010193153A (ja) 2009-02-18 2010-09-02 Toshiba Corp 高周波電力増幅器および電力増幅方法
JP2010206351A (ja) 2009-03-02 2010-09-16 Hitachi Kokusai Electric Inc 電力検出器
CN101834332A (zh) 2009-03-12 2010-09-15 华为技术有限公司 一种耦合器和功放系统
EP2403135B1 (de) * 2010-06-24 2013-12-11 Alcatel Lucent Leistungsverstärker für mobile Telekommunikation
US8461938B2 (en) * 2010-10-29 2013-06-11 Freescale Semiconductor, Inc. Directional couplers for use in electronic devices, and methods of use thereof
KR101731321B1 (ko) 2011-01-06 2017-05-02 삼성전자주식회사 도허티 증폭기에서 효율을 향상시키기 위한 장치 및 방법
US8649744B2 (en) * 2011-09-08 2014-02-11 Alcatel Lucent Radio-frequency transmitter, such as for broadcasting and cellular base stations
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
CN202818232U (zh) 2012-09-18 2013-03-20 中兴通讯股份有限公司 一种Doherty功放电路

Also Published As

Publication number Publication date
CN202818232U (zh) 2013-03-20
EP2887542A1 (de) 2015-06-24
WO2014044189A1 (zh) 2014-03-27
EP2887542B1 (de) 2018-08-08
US9531325B2 (en) 2016-12-27
US20150295537A1 (en) 2015-10-15
EP2887542A4 (de) 2016-03-09

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