ATE515106T1 - Breitband-hf-verstärker, der ein verzerrungsreduzierungssystem umfasst und entspreches verzerrungsreduzierungsverfahren - Google Patents

Breitband-hf-verstärker, der ein verzerrungsreduzierungssystem umfasst und entspreches verzerrungsreduzierungsverfahren

Info

Publication number
ATE515106T1
ATE515106T1 AT08168949T AT08168949T ATE515106T1 AT E515106 T1 ATE515106 T1 AT E515106T1 AT 08168949 T AT08168949 T AT 08168949T AT 08168949 T AT08168949 T AT 08168949T AT E515106 T1 ATE515106 T1 AT E515106T1
Authority
AT
Austria
Prior art keywords
amplifier
distortion reduction
phase difference
control signal
broadband
Prior art date
Application number
AT08168949T
Other languages
English (en)
Inventor
Jack Powell
Olivier Guillemet
Original Assignee
Lpa Concepts
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 Lpa Concepts filed Critical Lpa Concepts
Application granted granted Critical
Publication of ATE515106T1 publication Critical patent/ATE515106T1/de

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
    • 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
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/192—A hybrid coupler being used at the input of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/204—A hybrid coupler being used at the output of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AT08168949T 2007-11-29 2008-11-12 Breitband-hf-verstärker, der ein verzerrungsreduzierungssystem umfasst und entspreches verzerrungsreduzierungsverfahren ATE515106T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0759422A FR2924542B1 (fr) 2007-11-29 2007-11-29 Amplificateur hf large bande comportant un systeme de reduction de distorsion et procede de reduction de distorsion associe

Publications (1)

Publication Number Publication Date
ATE515106T1 true ATE515106T1 (de) 2011-07-15

Family

ID=39247789

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08168949T ATE515106T1 (de) 2007-11-29 2008-11-12 Breitband-hf-verstärker, der ein verzerrungsreduzierungssystem umfasst und entspreches verzerrungsreduzierungsverfahren

Country Status (3)

Country Link
EP (1) EP2066023B1 (de)
AT (1) ATE515106T1 (de)
FR (1) FR2924542B1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922617A (en) 1974-11-18 1975-11-25 Cutler Hammer Inc Adaptive feed forward system
GB2238195A (en) 1989-11-16 1991-05-22 Motorola Inc Feed forward amplifier with pilot tone cancellation
US5307022A (en) 1991-04-15 1994-04-26 Motorola, Inc. High dynamic range modulation independent feed forward amplifier network
JPH07147547A (ja) * 1993-11-24 1995-06-06 Nec Corp フィードフォワード型歪補償回路
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
CN1300935C (zh) * 2001-06-11 2007-02-14 松下电器产业株式会社 前馈失真补偿放大器的控制方法和电路
JP3764088B2 (ja) * 2001-11-06 2006-04-05 日本無線株式会社 フィードフォワード増幅器及びその制御回路
US7157967B2 (en) 2004-03-11 2007-01-02 Powerwave Technologies Inc. System and method for control of loop alignment in adaptive feed forward amplifiers

Also Published As

Publication number Publication date
FR2924542B1 (fr) 2010-01-01
FR2924542A1 (fr) 2009-06-05
EP2066023A1 (de) 2009-06-03
EP2066023B1 (de) 2011-06-29

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties