AU1959597A - Error path control for feed-forward amplifier - Google Patents

Error path control for feed-forward amplifier

Info

Publication number
AU1959597A
AU1959597A AU19595/97A AU1959597A AU1959597A AU 1959597 A AU1959597 A AU 1959597A AU 19595/97 A AU19595/97 A AU 19595/97A AU 1959597 A AU1959597 A AU 1959597A AU 1959597 A AU1959597 A AU 1959597A
Authority
AU
Australia
Prior art keywords
signal
feed
forward amplifier
error
carrier
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.)
Abandoned
Application number
AU19595/97A
Other languages
English (en)
Inventor
Mark I. Van Horn
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of AU1959597A publication Critical patent/AU1959597A/en
Abandoned 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • 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)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
AU19595/97A 1996-05-17 1997-02-13 Error path control for feed-forward amplifier Abandoned AU1959597A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US64935796A 1996-05-17 1996-05-17
US08649357 1996-05-17
PCT/US1997/002367 WO1997044894A1 (fr) 1996-05-17 1997-02-13 Commande de chemin d'erreur destinee a un amplificateur a correction aval

Publications (1)

Publication Number Publication Date
AU1959597A true AU1959597A (en) 1997-12-09

Family

ID=24604442

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19595/97A Abandoned AU1959597A (en) 1996-05-17 1997-02-13 Error path control for feed-forward amplifier

Country Status (6)

Country Link
EP (1) EP0839405A1 (fr)
JP (1) JPH11509716A (fr)
KR (1) KR19990022835A (fr)
AU (1) AU1959597A (fr)
CA (1) CA2227313A1 (fr)
WO (1) WO1997044894A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389618A (en) * 1981-04-15 1983-06-21 The United States Of America As Represented By The Secretary Of The Navy Adaptive feed-forward system
GB2167256A (en) * 1984-11-17 1986-05-21 Racal Communications Equip Feedforward amplifiers
US5485120A (en) * 1994-07-28 1996-01-16 Aval Communications Inc. Feed-forward power amplifier system with adaptive control and control method
US5570063A (en) * 1995-05-18 1996-10-29 Spectrian, Inc. RF power amplifier with signal predistortion for improved linearity

Also Published As

Publication number Publication date
KR19990022835A (ko) 1999-03-25
JPH11509716A (ja) 1999-08-24
WO1997044894A1 (fr) 1997-11-27
EP0839405A1 (fr) 1998-05-06
CA2227313A1 (fr) 1997-11-27

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Legal Events

Date Code Title Description
MK5 Application lapsed section 142(2)(e) - patent request and compl. specification not accepted