HK1039409A1 - Amplifier with distortion compensation - Google Patents

Amplifier with distortion compensation

Info

Publication number
HK1039409A1
HK1039409A1 HK01108777A HK01108777A HK1039409A1 HK 1039409 A1 HK1039409 A1 HK 1039409A1 HK 01108777 A HK01108777 A HK 01108777A HK 01108777 A HK01108777 A HK 01108777A HK 1039409 A1 HK1039409 A1 HK 1039409A1
Authority
HK
Hong Kong
Prior art keywords
amplifier
distortion compensation
compensation
distortion
Prior art date
Application number
HK01108777A
Other languages
English (en)
Inventor
Sera Yasuo
Uchida Takashi
Terufumi Nagano
Masahiro Himono
Original Assignee
Hitachi Int 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 Int Electric Inc filed Critical Hitachi Int Electric Inc
Publication of HK1039409A1 publication Critical patent/HK1039409A1/xx

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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
HK01108777A 1999-12-03 2001-12-13 Amplifier with distortion compensation HK1039409A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34459199 1999-12-03

Publications (1)

Publication Number Publication Date
HK1039409A1 true HK1039409A1 (en) 2002-04-19

Family

ID=18370464

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01108777A HK1039409A1 (en) 1999-12-03 2001-12-13 Amplifier with distortion compensation

Country Status (4)

Country Link
US (1) US6424214B2 (xx)
EP (1) EP1107450B1 (xx)
DE (1) DE60023249T2 (xx)
HK (1) HK1039409A1 (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1343335A4 (en) * 2000-12-08 2006-06-07 Matsushita Electric Ind Co Ltd RADIO COMMUNICATION BASE STATION SYSTEM WITH AN OPTICAL ADVANCED BASE STATION
SE0102345D0 (sv) * 2001-06-29 2001-06-29 Ericsson Telefon Ab L M Feed forward amplifying circuit
JP2004064377A (ja) * 2002-07-29 2004-02-26 Hitachi Kokusai Electric Inc フィードフォワード増幅器
US6850115B2 (en) * 2002-08-26 2005-02-01 Powerwave Technologies, Inc. Enhanced efficiency LDMOS based feed forward amplifier
US6972622B2 (en) * 2003-05-12 2005-12-06 Andrew Corporation Optimization of error loops in distributed power amplifiers
CN102493826B (zh) * 2011-11-18 2013-09-11 郑州煤矿机械集团股份有限公司 隔离耦合器
JP6332565B2 (ja) 2015-09-01 2018-05-30 日本電気株式会社 電力増幅装置およびテレビジョン信号送信システム
US10141910B2 (en) 2016-02-08 2018-11-27 Psemi Corporation Integrated and combined phase shifter and isolation switch
US10454444B2 (en) 2016-04-25 2019-10-22 Kumu Networks, Inc. Integrated delay modules
WO2017189592A1 (en) * 2016-04-25 2017-11-02 Kumu Networks, Inc. Integrated delay modules
CN108155904A (zh) * 2018-02-08 2018-06-12 江苏天瑞仪器股份有限公司 一种8路输入射频电源功率合成电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4438415A (en) * 1982-01-29 1984-03-20 General Microwave Corporation Digital programmable attenuator
US4677390A (en) * 1985-05-31 1987-06-30 Texscan Corporation Low-power feedforward amplifier
US4625178A (en) * 1985-07-19 1986-11-25 General Instrument Corporation Feedforward gain block with mirror image error amplifier
CA1280180C (en) * 1987-02-02 1991-02-12 Masatoshi Ishida Nonlinear signal generating circuit and nonlinear compensating deviceusing the same
US5252934A (en) * 1992-08-25 1993-10-12 At&T Bell Laboratories Microwave delay assembly
CN1134886C (zh) * 1996-12-30 2004-01-14 三星电子株式会社 合成的线性功率放大装置和方法
JP4015782B2 (ja) * 1998-10-22 2007-11-28 日本無線株式会社 フィードフォワード非線形歪補償増幅器

Also Published As

Publication number Publication date
US6424214B2 (en) 2002-07-23
DE60023249D1 (de) 2005-11-24
EP1107450B1 (en) 2005-10-19
EP1107450A1 (en) 2001-06-13
DE60023249T2 (de) 2006-07-13
US20010017570A1 (en) 2001-08-30

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Legal Events

Date Code Title Description
AM Amended specification (according sect 146 of patent law)

Free format text: ADDITION OF INVENTOR: TERUFUMI NAGANO MASAHIRO HIMONO

Effective date: 20061117

PE Patent expired

Effective date: 20201129