BR102012005528B1 - Circuito de compensação de distorção, e, transmissor - Google Patents

Circuito de compensação de distorção, e, transmissor Download PDF

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Publication number
BR102012005528B1
BR102012005528B1 BR102012005528-7A BR102012005528A BR102012005528B1 BR 102012005528 B1 BR102012005528 B1 BR 102012005528B1 BR 102012005528 A BR102012005528 A BR 102012005528A BR 102012005528 B1 BR102012005528 B1 BR 102012005528B1
Authority
BR
Brazil
Prior art keywords
signal
distortion compensation
distortion
symmetric
input signal
Prior art date
Application number
BR102012005528-7A
Other languages
English (en)
Portuguese (pt)
Other versions
BR102012005528A2 (pt
Inventor
Nobuo Hirose
Satoshi Sakata
Original Assignee
Hitachi Kokusai Electric 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 Hitachi Kokusai Electric Inc. filed Critical Hitachi Kokusai Electric Inc.
Publication of BR102012005528A2 publication Critical patent/BR102012005528A2/pt
Publication of BR102012005528B1 publication Critical patent/BR102012005528B1/pt

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Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/02—Details
    • H03C1/06—Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
    • 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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • 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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • 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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • 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
    • 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
    • H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Algebra (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
BR102012005528-7A 2011-10-13 2012-03-12 Circuito de compensação de distorção, e, transmissor BR102012005528B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-225717 2011-10-13
JP2011225717A JP6037493B2 (ja) 2011-10-13 2011-10-13 歪み補償回路および歪み補償回路と高周波電力増幅器を用いた送信装置

Publications (2)

Publication Number Publication Date
BR102012005528A2 BR102012005528A2 (pt) 2014-06-03
BR102012005528B1 true BR102012005528B1 (pt) 2021-11-30

Family

ID=48081617

Family Applications (1)

Application Number Title Priority Date Filing Date
BR102012005528-7A BR102012005528B1 (pt) 2011-10-13 2012-03-12 Circuito de compensação de distorção, e, transmissor

Country Status (4)

Country Link
US (1) US8938027B2 (https=)
JP (1) JP6037493B2 (https=)
BR (1) BR102012005528B1 (https=)
WO (1) WO2013054553A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112015005676B1 (pt) * 2012-09-25 2022-02-08 Hitachi Kokusai Electric Inc Circuito de compensação de distorção e dispositivo de transmissão usando circuito de compensação de distorção e amplificador de potência de alta frequência
KR20160091607A (ko) * 2015-01-26 2016-08-03 삼성전자주식회사 영상처리장치, 초음파 장치 및 그 제어방법
JP6926578B2 (ja) * 2017-03-24 2021-08-25 富士通株式会社 歪補償装置、及び歪補償方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4657920B2 (ja) 2002-11-14 2011-03-23 株式会社日立国際電気 歪み補償回路、歪み補償信号生成方法、及び電力増幅器
SE525221C2 (sv) * 2003-03-25 2004-12-28 Ericsson Telefon Ab L M Förförvrängare för effektförstärkare
JP4394409B2 (ja) 2003-09-25 2010-01-06 株式会社日立国際電気 プリディストーション方式歪補償機能付き増幅器
JP4467319B2 (ja) * 2004-01-29 2010-05-26 株式会社日立国際電気 プリディストータ
JP4417174B2 (ja) * 2004-05-19 2010-02-17 株式会社日立国際電気 プリディストータ
JP2008294518A (ja) 2007-05-22 2008-12-04 Hitachi Kokusai Electric Inc 送信装置
JP5205182B2 (ja) * 2008-09-09 2013-06-05 株式会社日立国際電気 歪補償増幅装置
JP4918572B2 (ja) * 2009-07-02 2012-04-18 株式会社日立国際電気 プリディストーション方式歪補償機能付き増幅器
JP5402817B2 (ja) * 2010-04-30 2014-01-29 富士通株式会社 電力増幅器のメモリ効果キャンセラ、無線送信機

Also Published As

Publication number Publication date
US8938027B2 (en) 2015-01-20
BR102012005528A2 (pt) 2014-06-03
JP6037493B2 (ja) 2016-12-07
JP2013089993A (ja) 2013-05-13
US20130343484A1 (en) 2013-12-26
WO2013054553A1 (ja) 2013-04-18

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/03/2012, OBSERVADAS AS CONDICOES LEGAIS.

B25G Requested change of headquarter approved

Owner name: HITACHI KOKUSAI ELECTRIC INC. (JP)

B25D Requested change of name of applicant approved

Owner name: KOKUSAI DENKI ELECTRIC INC. (JP)