CA2087361A1 - Amplificateur de puissance comportant une multiplicite de circuits paralleles de correction aval de la distorsion - Google Patents

Amplificateur de puissance comportant une multiplicite de circuits paralleles de correction aval de la distorsion

Info

Publication number
CA2087361A1
CA2087361A1 CA2087361A CA2087361A CA2087361A1 CA 2087361 A1 CA2087361 A1 CA 2087361A1 CA 2087361 A CA2087361 A CA 2087361A CA 2087361 A CA2087361 A CA 2087361A CA 2087361 A1 CA2087361 A1 CA 2087361A1
Authority
CA
Canada
Prior art keywords
parallel
feedforward
circuits
distortion compensating
combiner
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.)
Granted
Application number
CA2087361A
Other languages
English (en)
Other versions
CA2087361C (fr
Inventor
Hironori Sakamoto
Akira Ito
Toshio Nojima
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.)
NTT Docomo Inc
Japan Radio Co Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Japan Radio Co Ltd
Nippon Telegraph and Telephone Corp
NTT Mobile Communications Networks 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 Japan Radio Co Ltd, Nippon Telegraph and Telephone Corp, NTT Mobile Communications Networks Inc filed Critical Japan Radio Co Ltd
Publication of CA2087361A1 publication Critical patent/CA2087361A1/fr
Application granted granted Critical
Publication of CA2087361C publication Critical patent/CA2087361C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03F1/3223—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
    • 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
    • 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
    • H03F2201/3218—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion the main amplifier or error amplifier being a feedforward amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
CA002087361A 1992-01-16 1993-01-15 Amplificateur de puissance comportant une multiplicite de circuits paralleles de correction aval de la distorsion Expired - Lifetime CA2087361C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5416/1992 1992-01-16
JP4005416A JPH05191178A (ja) 1992-01-16 1992-01-16 電力増幅装置

Publications (2)

Publication Number Publication Date
CA2087361A1 true CA2087361A1 (fr) 1993-07-17
CA2087361C CA2087361C (fr) 1996-08-20

Family

ID=11610547

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002087361A Expired - Lifetime CA2087361C (fr) 1992-01-16 1993-01-15 Amplificateur de puissance comportant une multiplicite de circuits paralleles de correction aval de la distorsion

Country Status (5)

Country Link
US (1) US5412342A (fr)
EP (1) EP0552059B1 (fr)
JP (1) JPH05191178A (fr)
CA (1) CA2087361C (fr)
DE (1) DE69332320T2 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0746648A (ja) * 1993-08-02 1995-02-14 Fujitsu Ltd 移動体通信システム
JP2541119B2 (ja) * 1993-08-20 1996-10-09 日本電気株式会社 線形増幅器
US5694395A (en) * 1994-09-30 1997-12-02 Lucent Technologies, Inc. Method and apparatus for processing multicarrier signals
US5619168A (en) * 1995-08-07 1997-04-08 Lucent Technologies Inc. Distortion creation and reduction circuit
US5751250A (en) * 1995-10-13 1998-05-12 Lucent Technologies, Inc. Low distortion power sharing amplifier network
US5959500A (en) * 1998-01-26 1999-09-28 Glenayre Electronics, Inc. Model-based adaptive feedforward amplifier linearizer
JPH11234051A (ja) * 1998-02-09 1999-08-27 Matsushita Electric Ind Co Ltd フィードフォワード増幅器
EP1030441A3 (fr) * 1999-02-16 2004-03-17 Matsushita Electric Industrial Co., Ltd. Amplificateur à contre-réaction de type aval
JP2000244252A (ja) * 1999-02-24 2000-09-08 Kokusai Electric Co Ltd 歪み補償装置
JP3989731B2 (ja) 1999-09-17 2007-10-10 株式会社エヌ・ティ・ティ・ドコモ フィードフォワード多端子電力合成形電力増幅器
DE60140165D1 (de) * 2000-10-23 2009-11-26 Panasonic Corp Leistungsverstärker
US6420929B1 (en) 2001-08-23 2002-07-16 Thomas Ha N way cancellation coupler for power amplifier
US6809588B2 (en) * 2001-09-27 2004-10-26 Hitachi Kokusai Electric Inc. Distortion compensation circuit
US6700442B2 (en) * 2001-11-20 2004-03-02 Thomas Quang Ha N way phase cancellation power amplifier
US7058369B1 (en) 2001-11-21 2006-06-06 Pmc-Sierra Inc. Constant gain digital predistortion controller for linearization of non-linear amplifiers
US20030228854A1 (en) * 2002-06-10 2003-12-11 Nokia Corporation Method and system for increasing the output power of a wireless signal
CN100576767C (zh) 2005-06-03 2009-12-30 株式会社Ntt都科摩 多频带用前馈放大器
CN102906996A (zh) * 2010-03-12 2013-01-30 中兴通讯股份有限公司 用于改善效率和线性度的分解发射系统及方法
CN103199808B (zh) * 2013-02-07 2016-05-04 武汉凡谷电子技术股份有限公司 一种用于无源器件的互调抵消装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840908A (ja) * 1981-09-03 1983-03-10 Toshiba Corp 増幅装置
JPS6018007A (ja) * 1983-07-12 1985-01-30 Fujitsu Ltd マイクロ波電力増幅装置
JPS60173908A (ja) * 1984-02-20 1985-09-07 Fujitsu Ltd 非線形歪補償回路
JPS60173909A (ja) * 1984-02-20 1985-09-07 Fujitsu Ltd 非線形歪補償回路
JPS625706A (ja) * 1985-07-01 1987-01-12 Fujitsu Ltd フイ−ド・フオワ−ド増幅器の調整方法
JPS63190411A (ja) * 1987-02-02 1988-08-08 Nippon Telegr & Teleph Corp <Ntt> 電力増幅装置
US4926136A (en) * 1988-12-29 1990-05-15 Westinghouse Electric Corp. Power amplifier combiner for improving linearity of an output
CA2046413C (fr) * 1990-07-11 1994-01-04 Shoichi Narahashi Amplificateur a correction aval
JPH0495409A (ja) * 1990-08-13 1992-03-27 Fujitsu Ltd 増幅器

Also Published As

Publication number Publication date
DE69332320T2 (de) 2003-06-05
JPH05191178A (ja) 1993-07-30
EP0552059A1 (fr) 1993-07-21
DE69332320D1 (de) 2002-10-31
US5412342A (en) 1995-05-02
EP0552059B1 (fr) 2002-09-25
CA2087361C (fr) 1996-08-20

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry
MKEX Expiry

Effective date: 20130115