BR112018011855A2 - amplificador de classe e2 - Google Patents

amplificador de classe e2

Info

Publication number
BR112018011855A2
BR112018011855A2 BR112018011855A BR112018011855A BR112018011855A2 BR 112018011855 A2 BR112018011855 A2 BR 112018011855A2 BR 112018011855 A BR112018011855 A BR 112018011855A BR 112018011855 A BR112018011855 A BR 112018011855A BR 112018011855 A2 BR112018011855 A2 BR 112018011855A2
Authority
BR
Brazil
Prior art keywords
signal
switch
fundamental frequency
amplifier
circuit
Prior art date
Application number
BR112018011855A
Other languages
English (en)
Inventor
Edward Wheatley Charles
Isaac Mayo Gabriel
Huynh Phuong
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112018011855A2 publication Critical patent/BR112018011855A2/pt

Links

Classifications

    • 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
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2176—Class E 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
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency 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
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
    • 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
    • H03F3/217—Class D power amplifiers; Switching 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
    • 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
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
    • 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
    • H03F2200/351—Pulse width modulation being used in an amplifying circuit
    • 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
    • H03F2200/391—Indexing scheme relating to amplifiers the output circuit of an amplifying stage comprising an LC-network
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • 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
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
    • 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
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)

Abstract

trata-se de um amplificador (400) que inclui um circuito amplificador (410) compreendendo um comutador (416), o comutador (416) configurado para fornecer um sinal de saída que responde a um sinal de entrada (415), o sinal de saída compreendendo um primeiro sinal de saída em uma frequência fundamental e um segundo sinal em uma segunda harmônica da frequência fundamental, o sinal de entrada (415) configurado para controlar o comutador (416) de acordo com um valor nominal de 25% quando estacionário, 75% no ciclo, um circuito de filtragem configurado para controlar uma impedância apresentada ao circuito amplificador (410) e um circuito de carga (440), pelo menos uma parte do qual está configurado para combinar com o circuito de filtragem para formar um circuito de transformação de impedância (430) configurado para ser ressonante na segunda harmônica da frequência fundamental.
BR112018011855A 2015-12-14 2016-11-16 amplificador de classe e2 BR112018011855A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562266747P 2015-12-14 2015-12-14
US15/152,660 US9929704B2 (en) 2015-12-14 2016-05-12 Class E2 amplifier
PCT/US2016/062131 WO2017105732A1 (en) 2015-12-14 2016-11-16 Class e2 amplifier

Publications (1)

Publication Number Publication Date
BR112018011855A2 true BR112018011855A2 (pt) 2018-11-27

Family

ID=59020286

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018011855A BR112018011855A2 (pt) 2015-12-14 2016-11-16 amplificador de classe e2

Country Status (9)

Country Link
US (1) US9929704B2 (pt)
EP (1) EP3391539B1 (pt)
JP (1) JP6849682B2 (pt)
KR (1) KR102632024B1 (pt)
CN (1) CN108370240B (pt)
BR (1) BR112018011855A2 (pt)
CA (1) CA3003882A1 (pt)
TW (1) TWI685191B (pt)
WO (1) WO2017105732A1 (pt)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9929704B2 (en) * 2015-12-14 2018-03-27 Qualcomm Incorporated Class E2 amplifier
JP7165355B2 (ja) 2019-02-19 2022-11-04 株式会社デンソー 電力増幅回路
CN112260522B (zh) * 2020-09-03 2022-04-05 西安理工大学 用于mosfet的e2类谐振驱动电路及其调制方法
US11469724B2 (en) * 2020-11-09 2022-10-11 Aira, Inc. Free-boost class-e amplifier
WO2022265728A2 (en) * 2021-04-25 2022-12-22 University Of Southern California Millimeter-wave class ef power amplifier with concurrent harmonic and subharmonic tuning
US20230116432A1 (en) * 2021-10-08 2023-04-13 Rachit Joshi Radio frequency power amplifier and method for manufacturing doherty power amplifier
US12104967B2 (en) * 2022-02-25 2024-10-01 Wisconsin Alumni Research Foundation Electromechanical force sensor based on extrema degeneracy point with nonlinear response

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US6359513B1 (en) * 2001-01-31 2002-03-19 U.S. Philips Corporation CMOS power amplifier with reduced harmonics and improved efficiency
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JP4743077B2 (ja) * 2006-10-23 2011-08-10 三菱電機株式会社 高周波電力増幅器
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CN102017400B (zh) 2008-05-05 2013-07-31 Nxp股份有限公司 高效线性linc功率放大器
CN102138281B (zh) * 2008-09-01 2015-07-08 艾利森电话股份有限公司 混合类放大器
CN104953965B (zh) * 2008-09-01 2018-07-24 艾利森电话股份有限公司 混合类放大器
US8532724B2 (en) * 2008-09-17 2013-09-10 Qualcomm Incorporated Transmitters for wireless power transmission
JP5207390B2 (ja) * 2009-03-02 2013-06-12 国立大学法人 千葉大学 Ｅｍ級増幅器及びこれを備えた機器
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Also Published As

Publication number Publication date
CN108370240A (zh) 2018-08-03
KR20180092980A (ko) 2018-08-20
EP3391539A1 (en) 2018-10-24
US20170170794A1 (en) 2017-06-15
US9929704B2 (en) 2018-03-27
TW201729534A (zh) 2017-08-16
JP6849682B2 (ja) 2021-03-24
CA3003882A1 (en) 2017-06-22
EP3391539B1 (en) 2022-07-13
CN108370240B (zh) 2021-11-12
TWI685191B (zh) 2020-02-11
JP2019505112A (ja) 2019-02-21
WO2017105732A1 (en) 2017-06-22
KR102632024B1 (ko) 2024-01-31

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]