BR9703140B1 - rede amplificadora de potência linear e processo para eliminar um sinal de distorção de intermodulação de um amplificador de potência linear. - Google Patents

rede amplificadora de potência linear e processo para eliminar um sinal de distorção de intermodulação de um amplificador de potência linear.

Info

Publication number
BR9703140B1
BR9703140B1 BRPI9703140-2A BR9703140A BR9703140B1 BR 9703140 B1 BR9703140 B1 BR 9703140B1 BR 9703140 A BR9703140 A BR 9703140A BR 9703140 B1 BR9703140 B1 BR 9703140B1
Authority
BR
Brazil
Prior art keywords
power amplifier
linear power
eliminating
intermodulation distortion
distortion signal
Prior art date
Application number
BRPI9703140-2A
Other languages
English (en)
Portuguese (pt)
Other versions
BR9703140A (pt
Inventor
Young Kim
Jong-Tae Park
Hong-Kee Him
Young-Kon Lee
Seung-Won Chung
Seong-Hoon Lee
Soon-Chul Jeong
Chul-Dong Kim
Ik-Soo Chang
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 filed Critical
Publication of BR9703140A publication Critical patent/BR9703140A/pt
Publication of BR9703140B1 publication Critical patent/BR9703140B1/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
    • 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
    • H03F1/3276—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using the nonlinearity inherent to components, e.g. a diode
    • 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
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
    • 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
    • H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3212—Using a control circuit to adjust amplitude and phase of a signal in a signal path

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
BRPI9703140-2A 1996-11-04 1997-05-13 rede amplificadora de potência linear e processo para eliminar um sinal de distorção de intermodulação de um amplificador de potência linear. BR9703140B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960051910A KR100217416B1 (ko) 1995-11-16 1996-11-04 선형 증폭 장치 및 방법

Publications (2)

Publication Number Publication Date
BR9703140A BR9703140A (pt) 1998-11-10
BR9703140B1 true BR9703140B1 (pt) 2011-04-05

Family

ID=19480758

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9703140-2A BR9703140B1 (pt) 1996-11-04 1997-05-13 rede amplificadora de potência linear e processo para eliminar um sinal de distorção de intermodulação de um amplificador de potência linear.

Country Status (11)

Country Link
JP (1) JP3260295B2 (fr)
KR (1) KR100217416B1 (fr)
AU (1) AU698665B2 (fr)
BR (1) BR9703140B1 (fr)
DE (1) DE19720019B4 (fr)
FI (1) FI116339B (fr)
FR (1) FR2755551B1 (fr)
GB (1) GB2318938B (fr)
IN (1) IN192286B (fr)
NL (1) NL1006031C2 (fr)
SE (1) SE519812C2 (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6075411A (en) * 1997-12-22 2000-06-13 Telefonaktiebolaget Lm Ericsson Method and apparatus for wideband predistortion linearization
US6097324A (en) * 1998-06-17 2000-08-01 Lucent Technologies Inc. Method and apparatus for extending the spurious free dynamic range of an analog-to-digital converter
US6363120B1 (en) 1998-06-17 2002-03-26 Lucent Technologies Inc. Apparatus and method for extending the dynamic range of a mixer using feed forward distortion reduction
US6339701B1 (en) 1998-06-17 2002-01-15 Lucent Technologies, Inc. Method and apparatus for extending the dynamic range of a frequency mixer
WO2000048308A1 (fr) 1999-02-12 2000-08-17 Wireless Systems International Limited Appareil de traitement de signal
JP2001053552A (ja) * 1999-08-10 2001-02-23 Nec Corp フィードフォワード増幅回路、及びフィードフォワード増幅回路における非線形歪の補償方法。
US6392480B1 (en) * 1999-08-19 2002-05-21 Lucent Technologies Inc. Alternating gain and phase control system and method
GB2353646A (en) * 1999-08-27 2001-02-28 Matsushita Electric Ind Co Ltd A multistage amplifier with multistage predistortion and a predistorter
GB2354126B (en) * 1999-09-13 2004-07-21 Wireless Systems Int Ltd Signal processing
GB2358748A (en) * 2000-01-31 2001-08-01 Wireless Systems Int Ltd An arrangement in a predistortion or feedforward linearizer for an amplifier in which I and Q components are adjusted to achieve a desired phase and amplitude
US6275106B1 (en) * 2000-02-25 2001-08-14 Spectrian Corporation Spectral distortion monitor for controlling pre-distortion and feed-forward linearization of rf power amplifier
WO2001099316A1 (fr) 2000-06-16 2001-12-27 Fujitsu Limited Amplificateur multiporteuse
US6496064B2 (en) * 2000-08-15 2002-12-17 Eugene Rzyski Intermodulation product cancellation circuit
US6545487B1 (en) * 2000-08-24 2003-04-08 Lucent Technologies Inc. System and method for producing an amplified signal with reduced distortion
US6674324B1 (en) * 2000-08-24 2004-01-06 Lucent Technologies Inc. System and method for producing an amplified signal using plurality of amplitudes across spectrum
JP3850649B2 (ja) 2000-09-22 2006-11-29 株式会社日立国際電気 歪補償増幅器
DE60135249D1 (de) * 2000-12-04 2008-09-18 Matsushita Electric Ind Co Ltd Vorwärtskopplungsverstärker, kommunikationsvorrichtung, vorwärtskopplungsverstärkungsverfahren, programm und medium
US7046972B2 (en) 2001-04-10 2006-05-16 Matsushita Electric Industrial Co., Ltd. Predistortion linearizer and predistortion distortion compensation method, program, and medium
KR100395502B1 (ko) * 2001-08-08 2003-08-25 한국전자통신연구원 적응형 피드포워드 선형 증폭 장치
JP3502087B2 (ja) 2002-05-14 2004-03-02 松下電器産業株式会社 ハイブリッド歪補償方法およびハイブリッド歪補償装置
GB2395077A (en) * 2002-11-01 2004-05-12 N & L Ltd An amplifier arrangement linearised by predistortion and feedforward; adaptive bias for improved efficiency; thermal overload protection
KR100766201B1 (ko) 2005-11-09 2007-10-10 학교법인 포항공과대학교 알에프 전력 증폭기의 위상 변화 측정 장치 및 그 방법
EP3146630B1 (fr) * 2014-05-23 2020-01-15 Teko Telecom S.r.l. Système d'amplification de puissance pour communications radiofréquence
CN106464617B (zh) * 2014-06-26 2020-01-31 华为技术有限公司 一种干扰消除的装置和方法
CN106464616B (zh) 2014-06-26 2019-10-22 华为技术有限公司 一种干扰消除的装置和方法
KR102163050B1 (ko) 2015-03-12 2020-10-08 삼성전기주식회사 전력 증폭기 및 전력 증폭기의 위상 보정 방법
US11038474B2 (en) 2017-11-01 2021-06-15 Analog Devices Global Unlimited Company Phased array amplifier linearization
US11974178B2 (en) 2018-09-04 2024-04-30 Beijing Xiaomi Mobile Software Co., Ltd. Cell handover method, device and readable storage medium
KR102080202B1 (ko) 2019-08-23 2020-02-21 주식회사 패러다임 선형 전력 증폭 장치

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1495264A (en) * 1975-02-19 1977-12-14 Plessey Co Ltd Amplifier arrangements
US4879519A (en) * 1988-10-31 1989-11-07 American Telephone And Telegraph Company, At&T Bell Labs Predistortion compensated linear amplifier
US4885551A (en) * 1988-10-31 1989-12-05 American Telephone And Telegraph Company At&T Bell Laboratories Feed forward linear amplifier
US4943783A (en) * 1989-07-31 1990-07-24 Nippon Telegraph And Telephone Corporation Feed forward distortion correction circuit
GB2238196A (en) * 1989-11-16 1991-05-22 Motorola Inc Feed forward amplifier with pre-distortion
US4987378A (en) * 1989-11-28 1991-01-22 General Electric Company Feedforward predistortion linearizer
US5023565A (en) * 1990-01-26 1991-06-11 At&T Bell Laboratories Linear amplifier with automatic adjustment of feed forward loop gain and phase
GB9009295D0 (en) * 1990-04-25 1990-06-20 Kenington Peter B Apparatus and method for reducing distortion in amplification
US5130663A (en) * 1991-04-15 1992-07-14 Motorola, Inc. Feed forward amplifier network with frequency swept pilot tone
US5570063A (en) * 1995-05-18 1996-10-29 Spectrian, Inc. RF power amplifier with signal predistortion for improved linearity

Also Published As

Publication number Publication date
GB2318938A (en) 1998-05-06
FI972005A0 (fi) 1997-05-12
DE19720019B4 (de) 2006-04-06
JPH10190361A (ja) 1998-07-21
FR2755551B1 (fr) 2001-09-07
BR9703140A (pt) 1998-11-10
FR2755551A1 (fr) 1998-05-07
KR100217416B1 (ko) 1999-09-01
NL1006031A1 (nl) 1998-05-08
GB2318938B (en) 1999-07-28
SE9701760L (sv) 1998-05-05
GB9709622D0 (en) 1997-07-02
NL1006031C2 (nl) 1999-06-17
SE519812C2 (sv) 2003-04-15
AU698665B2 (en) 1998-11-05
FI972005A (fi) 1998-05-05
JP3260295B2 (ja) 2002-02-25
DE19720019A1 (de) 1998-05-14
KR970031238A (ko) 1997-06-26
AU2014897A (en) 1998-05-07
IN192286B (fr) 2004-03-27
SE9701760D0 (sv) 1997-05-13
FI116339B (fi) 2005-10-31

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B15K Others concerning applications: alteration of classification

Free format text: ALTERADA A CLASSIFICACAO DE H03F 1/26 PARA A INT.CL. 2007.01 H03F 1/26; H03F 1/32

Ipc: H03F 1/26 (2007.01), H03F 1/32 (2007.01)

B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 05/04/2011, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 19A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)