DE69718304D1 - Adaptive verzerrungskompensationsschaltung für verstärker - Google Patents

Adaptive verzerrungskompensationsschaltung für verstärker

Info

Publication number
DE69718304D1
DE69718304D1 DE69718304T DE69718304T DE69718304D1 DE 69718304 D1 DE69718304 D1 DE 69718304D1 DE 69718304 T DE69718304 T DE 69718304T DE 69718304 T DE69718304 T DE 69718304T DE 69718304 D1 DE69718304 D1 DE 69718304D1
Authority
DE
Germany
Prior art keywords
amplifiers
compensation circuit
distortion compensation
adaptive distortion
adaptive
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
DE69718304T
Other languages
English (en)
Other versions
DE69718304T2 (de
Inventor
K Belcher
A Wohl
E Bagwell
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.)
Powerwave Technologies Inc
Original Assignee
SPECTRIAN SUNNYVALE
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 SPECTRIAN SUNNYVALE filed Critical SPECTRIAN SUNNYVALE
Publication of DE69718304D1 publication Critical patent/DE69718304D1/de
Application granted granted Critical
Publication of DE69718304T2 publication Critical patent/DE69718304T2/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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • 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
    • 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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/438—Separate feedback of amplitude and phase signals being present
    • 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
    • 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
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion
DE69718304T 1996-03-29 1997-03-14 Adaptive verzerrungskompensationsschaltung für verstärker Expired - Lifetime DE69718304T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US626239 1996-03-29
US08/626,239 US5892397A (en) 1996-03-29 1996-03-29 Adaptive compensation of RF amplifier distortion by injecting predistortion signal derived from respectively different functions of input signal amplitude
PCT/US1997/004079 WO1997037427A1 (en) 1996-03-29 1997-03-14 Adaptive amplifier distortion compensation circuit

Publications (2)

Publication Number Publication Date
DE69718304D1 true DE69718304D1 (de) 2003-02-13
DE69718304T2 DE69718304T2 (de) 2004-01-22

Family

ID=24509529

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69718304T Expired - Lifetime DE69718304T2 (de) 1996-03-29 1997-03-14 Adaptive verzerrungskompensationsschaltung für verstärker

Country Status (6)

Country Link
US (2) US5892397A (de)
EP (1) EP0890218B1 (de)
JP (1) JP3393650B2 (de)
KR (1) KR100283598B1 (de)
DE (1) DE69718304T2 (de)
WO (1) WO1997037427A1 (de)

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Also Published As

Publication number Publication date
US5892397A (en) 1999-04-06
EP0890218A4 (de) 2001-01-10
JP3393650B2 (ja) 2003-04-07
EP0890218A1 (de) 1999-01-13
KR100283598B1 (ko) 2001-03-02
US6029285A (en) 2000-02-29
DE69718304T2 (de) 2004-01-22
EP0890218B1 (de) 2003-01-08
KR20000005012A (ko) 2000-01-25
JP2000508140A (ja) 2000-06-27
WO1997037427A1 (en) 1997-10-09

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