DE60238234D1 - Vorwärtsgekoppelter Verstärker und Verfahren zum vorwärtsgekoppelten Verstärken - Google Patents

Vorwärtsgekoppelter Verstärker und Verfahren zum vorwärtsgekoppelten Verstärken

Info

Publication number
DE60238234D1
DE60238234D1 DE60238234T DE60238234T DE60238234D1 DE 60238234 D1 DE60238234 D1 DE 60238234D1 DE 60238234 T DE60238234 T DE 60238234T DE 60238234 T DE60238234 T DE 60238234T DE 60238234 D1 DE60238234 D1 DE 60238234D1
Authority
DE
Germany
Prior art keywords
feedforward
amplification
amplifier
feedforward amplifier
feedforward amplification
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
DE60238234T
Other languages
English (en)
Inventor
Kaoru Ishida
Naoki Takachi
Yuji Saito
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.)
Panasonic Corp
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of DE60238234D1 publication Critical patent/DE60238234D1/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
    • 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
    • H03F1/3235—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction using a pilot signal
    • 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

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE60238234T 2001-08-21 2002-08-20 Vorwärtsgekoppelter Verstärker und Verfahren zum vorwärtsgekoppelten Verstärken Expired - Lifetime DE60238234D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001250818 2001-08-21

Publications (1)

Publication Number Publication Date
DE60238234D1 true DE60238234D1 (de) 2010-12-23

Family

ID=19079564

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60238234T Expired - Lifetime DE60238234D1 (de) 2001-08-21 2002-08-20 Vorwärtsgekoppelter Verstärker und Verfahren zum vorwärtsgekoppelten Verstärken

Country Status (4)

Country Link
US (1) US6734727B2 (de)
EP (1) EP1289128B1 (de)
CN (1) CN1235333C (de)
DE (1) DE60238234D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7171182B2 (en) * 2002-05-01 2007-01-30 Qualcomm Incorporated Frequency synthesizers for supporting voice communication and wireless networking standards
KR101650012B1 (ko) * 2015-06-22 2016-08-22 (주)엘센 센서 장치 및 센싱 방법
CN106452578A (zh) * 2016-11-18 2017-02-22 武汉博思创信息科技有限公司 一种可见光通信***中恢复畸变信号的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0856126A (ja) * 1994-08-10 1996-02-27 Kokusai Electric Co Ltd 歪補償増幅回路
US5489875A (en) * 1994-09-21 1996-02-06 Simon Fraser University Adaptive feedforward linearizer for RF power amplifiers
US6366620B1 (en) * 1994-12-13 2002-04-02 Hughes Electronics Corporation VSAT system
US6157254A (en) * 1998-09-29 2000-12-05 Lucent Technologies Inc. Double side band pilot technique for a control system that reduces distortion produced by electrical circuits
KR100323584B1 (ko) * 1999-05-14 2002-02-19 오길록 적응형 피드포워드 선형증폭기 최적 제어방법
JP3949322B2 (ja) * 1999-09-01 2007-07-25 三菱電機株式会社 フィードフォワード増幅器
JP2001136033A (ja) * 1999-11-05 2001-05-18 Nec Corp フィードフォワード増幅器

Also Published As

Publication number Publication date
EP1289128B1 (de) 2010-11-10
EP1289128A3 (de) 2006-11-15
CN1407717A (zh) 2003-04-02
EP1289128A2 (de) 2003-03-05
US6734727B2 (en) 2004-05-11
US20030058042A1 (en) 2003-03-27
CN1235333C (zh) 2006-01-04

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