DE69332320T2 - Leistungsverstärkervorrichtung - Google Patents

Leistungsverstärkervorrichtung

Info

Publication number
DE69332320T2
DE69332320T2 DE69332320T DE69332320T DE69332320T2 DE 69332320 T2 DE69332320 T2 DE 69332320T2 DE 69332320 T DE69332320 T DE 69332320T DE 69332320 T DE69332320 T DE 69332320T DE 69332320 T2 DE69332320 T2 DE 69332320T2
Authority
DE
Germany
Prior art keywords
power amplifier
amplifier device
power
amplifier
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 - Lifetime
Application number
DE69332320T
Other languages
English (en)
Other versions
DE69332320D1 (de
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
NTT Docomo Inc
Japan Radio Co Ltd
Nippon Telegraph and Telephone 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 NTT Docomo Inc, Japan Radio Co Ltd, Nippon Telegraph and Telephone Corp filed Critical NTT Docomo Inc
Application granted granted Critical
Publication of DE69332320D1 publication Critical patent/DE69332320D1/de
Publication of DE69332320T2 publication Critical patent/DE69332320T2/de
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)
DE69332320T 1992-01-16 1993-01-15 Leistungsverstärkervorrichtung Expired - Lifetime DE69332320T2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE69332320D1 DE69332320D1 (de) 2002-10-31
DE69332320T2 true DE69332320T2 (de) 2003-06-05

Family

ID=11610547

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69332320T Expired - Lifetime DE69332320T2 (de) 1992-01-16 1993-01-15 Leistungsverstärkervorrichtung

Country Status (5)

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

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 (de) * 1999-02-16 2004-03-17 Matsushita Electric Industrial Co., Ltd. Vorwärtskopplungsverstärker
JP2000244252A (ja) * 1999-02-24 2000-09-08 Kokusai Electric Co Ltd 歪み補償装置
EP1152523B1 (de) 1999-09-17 2013-03-27 NTT DoCoMo, Inc. Vorwärtsgekoppelter leistungssyntheseverstärker mit einer vielzahl von anschlüssen
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
EP2545644A4 (de) * 2010-03-12 2013-09-18 Zte Wistron Telecom Ab Zerlegungsübertragungssystem und verfahren zur verbesserung der effizienz und linearität
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
JPS60173909A (ja) * 1984-02-20 1985-09-07 Fujitsu Ltd 非線形歪補償回路
JPS60173908A (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 (en) * 1990-07-11 1994-01-04 Shoichi Narahashi Feed-forward amplifier
JPH0495409A (ja) * 1990-08-13 1992-03-27 Fujitsu Ltd 増幅器

Also Published As

Publication number Publication date
EP0552059B1 (de) 2002-09-25
DE69332320D1 (de) 2002-10-31
CA2087361C (en) 1996-08-20
JPH05191178A (ja) 1993-07-30
US5412342A (en) 1995-05-02
EP0552059A1 (de) 1993-07-21
CA2087361A1 (en) 1993-07-17

Similar Documents

Publication Publication Date Title
DE69526144T2 (de) Leistungsverstärker
NO933828D0 (no) Forskalingsanordning
DK0458071T3 (da) Standbølgeforhold-adaptivt effektforstærkersystem
DE69332392D1 (de) Leistungsverstärker
DE69306349D1 (de) Ausgabegerät
DE69425421D1 (de) Verstärkervorrichtung
DE69332320T2 (de) Leistungsverstärkervorrichtung
DE69319008D1 (de) Verstärker
BR9303759A (pt) Aparelho
DE69318820D1 (de) Entseuchungsvorrichtung
DE69322737D1 (de) Verstärker
DE69306959T2 (de) Pneumatischer kraftverstärker
NO176368C (no) Böyningsbegrensende anordning
NO931102D0 (no) Belastnings-styreanordning
NO960636D0 (no) Kraft-forsterker
DE69725098D1 (de) Leistungsverstärkervorrichtung
DE69324943D1 (de) Ausgabegerät
DE59304235D1 (de) Leistungssteuergerät
DE59303900D1 (de) Echokompensationsvorrichtung
KR920003318U (ko) 전원차단장치
SE9201378D0 (sv) En roerelsebegraensande anordning
DE59307135D1 (de) Tragvorrichtung
SE9201451L (sv) Bäranordning
KR930012247U (ko) 전원보조 장치
SE9203008L (sv) Förbindelseenhet

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
R071 Expiry of right

Ref document number: 552059

Country of ref document: EP