DE69216374T2 - Linearer Verstärker mit Verzerrungskompensationsregelung - Google Patents

Linearer Verstärker mit Verzerrungskompensationsregelung

Info

Publication number
DE69216374T2
DE69216374T2 DE69216374T DE69216374T DE69216374T2 DE 69216374 T2 DE69216374 T2 DE 69216374T2 DE 69216374 T DE69216374 T DE 69216374T DE 69216374 T DE69216374 T DE 69216374T DE 69216374 T2 DE69216374 T2 DE 69216374T2
Authority
DE
Germany
Prior art keywords
distortion compensation
compensation control
linear amplifier
amplifier
linear
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69216374T
Other languages
English (en)
Other versions
DE69216374D1 (de
Inventor
Atsushi Inahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE69216374D1 publication Critical patent/DE69216374D1/de
Application granted granted Critical
Publication of DE69216374T2 publication Critical patent/DE69216374T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03F1/32—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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • 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
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
DE69216374T 1991-10-29 1992-10-28 Linearer Verstärker mit Verzerrungskompensationsregelung Expired - Fee Related DE69216374T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3282477A JPH05121958A (ja) 1991-10-29 1991-10-29 直線増幅装置の歪補償制御方式

Publications (2)

Publication Number Publication Date
DE69216374D1 DE69216374D1 (de) 1997-02-13
DE69216374T2 true DE69216374T2 (de) 1997-07-17

Family

ID=17652949

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69216374T Expired - Fee Related DE69216374T2 (de) 1991-10-29 1992-10-28 Linearer Verstärker mit Verzerrungskompensationsregelung

Country Status (4)

Country Link
US (1) US5266906A (de)
EP (1) EP0544117B1 (de)
JP (1) JPH05121958A (de)
DE (1) DE69216374T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2265270B (en) * 1992-03-02 1996-06-12 Motorola Ltd Rf power amplifier with linearization
WO1995006354A1 (en) * 1993-08-20 1995-03-02 Motorola, Inc. Radio transmitter with power amplifier linearizer
US5524285A (en) * 1993-11-02 1996-06-04 Wray; Anthony J. Radio transmitter with power amplifier and linearization
JPH07147518A (ja) * 1993-11-22 1995-06-06 Nec Corp 線形増幅装置
IT1265271B1 (it) * 1993-12-14 1996-10-31 Alcatel Italia Sistema di predistorsione in banda base per la linearizzazione adattativa di amplificatori di potenza
US5650758A (en) * 1995-11-28 1997-07-22 Radio Frequency Systems, Inc. Pipelined digital predistorter for a wideband amplifier
US5789978A (en) * 1996-11-25 1998-08-04 Space Systems/Loral, Inc. Ku-band linearizer bridge
US5955917A (en) * 1997-08-27 1999-09-21 Hughes Electronics Corporation Nonlinear amplifier calibration system and methods
FI105366B (fi) * 1997-10-29 2000-07-31 Nokia Networks Oy Linearisointimenetelmä ja vahvistinjärjestely
GB2339354B (en) 1998-07-02 2003-10-08 Wireless Systems Int Ltd A predistorter
GB2347031B (en) * 1999-02-12 2001-03-21 Wireless Systems Int Ltd Signal processing means
US6798843B1 (en) * 1999-07-13 2004-09-28 Pmc-Sierra, Inc. Wideband digital predistortion linearizer for nonlinear amplifiers
US6697436B1 (en) 1999-07-13 2004-02-24 Pmc-Sierra, Inc. Transmission antenna array system with predistortion
US6356146B1 (en) 1999-07-13 2002-03-12 Pmc-Sierra, Inc. Amplifier measurement and modeling processes for use in generating predistortion parameters
US6587514B1 (en) 1999-07-13 2003-07-01 Pmc-Sierra, Inc. Digital predistortion methods for wideband amplifiers
US6342810B1 (en) 1999-07-13 2002-01-29 Pmc-Sierra, Inc. Predistortion amplifier system with separately controllable amplifiers
US6973138B1 (en) 2000-01-26 2005-12-06 Pmc-Sierra, Inc. Advanced adaptive pre-distortion in a radio frequency transmitter
US6677821B2 (en) * 2000-04-21 2004-01-13 Sony Corporation Distortion compensating apparatus
GB0015223D0 (en) * 2000-06-21 2000-08-16 Central Research Lab Ltd A radio frequency (RF) transceiver
US6496062B1 (en) * 2001-07-13 2002-12-17 Lucent Technologies Inc. Predistortion system and method using a pilot signal
US7058139B2 (en) * 2001-11-16 2006-06-06 Koninklijke Philips Electronics N.V. Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information
US7058369B1 (en) 2001-11-21 2006-06-06 Pmc-Sierra Inc. Constant gain digital predistortion controller for linearization of non-linear amplifiers
JP4559983B2 (ja) * 2002-12-10 2010-10-13 株式会社エヌ・ティ・ティ・ドコモ 線形電力増幅器及びそのディジタルプリディストータ設定方法
US7030693B2 (en) * 2003-04-30 2006-04-18 Lucent Technologies Inc. Enhanced predistortion method and apparatus
JPWO2005029800A1 (ja) * 2003-09-19 2006-11-30 富士通株式会社 非線形等化部を備えた変調装置
JP4576221B2 (ja) * 2004-02-03 2010-11-04 株式会社エヌ・ティ・ティ・ドコモ 多周波帯用べき級数型プリディストータ
JP2006148546A (ja) 2004-11-19 2006-06-08 Eudyna Devices Inc 増幅回路及びその制御方法、並びに増幅回路モジュール
JP2007013230A (ja) * 2005-06-28 2007-01-18 Nippon Dengyo Kosaku Co Ltd 歪補償増幅回路
JP2008154288A (ja) * 2008-03-17 2008-07-03 Hitachi Kokusai Electric Inc 歪補償増幅器
US8384476B2 (en) 2008-08-11 2013-02-26 Qualcomm, Incorporated Adaptive digital predistortion of complex modulated waveform using peak and RMS voltage feedback from the output of a power amplifier
CN101697477B (zh) * 2009-10-28 2011-12-28 深圳市云海通讯股份有限公司 调整功放电路输出信号线性度的系统、方法及功放电路
JP5761646B2 (ja) * 2009-12-21 2015-08-12 ダリ システムズ カンパニー リミテッド 変調アグノスティック（ａｇｎｏｓｔｉｃ）デジタルハイブリッドモード電力増幅器のシステム及び方法
US8542768B2 (en) 2009-12-21 2013-09-24 Dali Systems Co. Ltd. High efficiency, remotely reconfigurable remote radio head unit system and method for wireless communications
US8559885B2 (en) * 2011-04-14 2013-10-15 Accel Telecom Ltd. System and method for measurement of parameters of radio-frequency transmission devices
JP6340207B2 (ja) 2014-02-24 2018-06-06 パナソニック株式会社 非線形歪み検出装置及び歪み補償電力増幅器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3002995C2 (de) * 1979-02-13 1983-09-29 Nippon Telegraph & Telephone Public Corp., Tokyo Anpassbares Entzerrungssystem
JPS5653881A (en) * 1979-10-05 1981-05-13 Mitsubishi Heavy Ind Ltd Welding method of austenitic stainless steel
FR2517494A1 (fr) * 1981-11-27 1983-06-03 Thomson Csf Dispositif de correction automatique d'intermodulation produite par un amplificateur de signaux haute frequence dans un emetteur a bande laterale unique
JPS59109172A (ja) * 1982-12-13 1984-06-23 Ss Pharmaceut Co Ltd カリクレインの精製法
US4879519A (en) * 1988-10-31 1989-11-07 American Telephone And Telegraph Company, At&T Bell Labs Predistortion compensated linear amplifier
FR2652969A1 (fr) * 1989-10-06 1991-04-12 Philips Electronique Lab Dispositif de predistorsion pour systeme de transmission numerique.

Also Published As

Publication number Publication date
EP0544117B1 (de) 1997-01-02
DE69216374D1 (de) 1997-02-13
EP0544117A1 (de) 1993-06-02
JPH05121958A (ja) 1993-05-18
US5266906A (en) 1993-11-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee