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JP2003249823A5 - - Google Patents

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Publication number
JP2003249823A5
JP2003249823A5 JP2002046762A JP2002046762A JP2003249823A5 JP 2003249823 A5 JP2003249823 A5 JP 2003249823A5 JP 2002046762 A JP2002046762 A JP 2002046762A JP 2002046762 A JP2002046762 A JP 2002046762A JP 2003249823 A5 JP2003249823 A5 JP 2003249823A5
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JP
Japan
Prior art keywords
amplification
distortion
unit
signal
amplified
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Application number
JP2002046762A
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Japanese (ja)
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JP4030319B2 (en
JP2003249823A (en
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Priority to JP2002046762A priority Critical patent/JP4030319B2/en
Priority claimed from JP2002046762A external-priority patent/JP4030319B2/en
Publication of JP2003249823A publication Critical patent/JP2003249823A/en
Publication of JP2003249823A5 publication Critical patent/JP2003249823A5/ja
Application granted granted Critical
Publication of JP4030319B2 publication Critical patent/JP4030319B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (3)

増幅対象となる信号を複数の増幅素子から構成される第一の増幅部により増幅し、当該第一の増幅部で発生する歪成分を検出する歪検出ループと、A distortion detection loop for amplifying a signal to be amplified by a first amplification unit composed of a plurality of amplification elements and detecting a distortion component generated in the first amplification unit;
前記歪検出ループにより検出される歪成分を当該第一の増幅部により増幅された増幅信号から除去する歪除去ループと、A distortion removal loop for removing distortion components detected by the distortion detection loop from the amplified signal amplified by the first amplification unit;
前記第一の増幅部の各増幅素子の動作を制御する制御部を有することを特徴とするフィードフォワード非線形歪補償増幅装置。A feedforward nonlinear distortion compensation amplifying apparatus comprising a control unit for controlling the operation of each amplification element of the first amplification unit. 前記歪検出ループに、前記第一の増幅部により増幅された信号と同レベルの信号に調整する信号レベル調整部を有することを特徴とする請求項１記載のフィードフォワード非線形歪補償増幅装置。The feedforward nonlinear distortion compensation amplification apparatus according to claim 1, wherein the distortion detection loop includes a signal level adjustment unit that adjusts the signal to the same level as the signal amplified by the first amplification unit. 歪除去ループの出力に出力信号レベル検出部を設け、前記制御部は前記出力信号レベル検出部により検出されたレベルに応じて、前記第一の増幅部の各増幅素子の動作を制御することを特徴とする請求項１乃至２記載のフィードフォワード非線形歪補償増幅装置。An output signal level detection unit is provided at the output of the distortion removal loop, and the control unit controls the operation of each amplification element of the first amplification unit according to the level detected by the output signal level detection unit. 3. A feedforward nonlinear distortion compensation amplifying apparatus according to claim 1,
JP2002046762A 2002-02-22 2002-02-22 Feedforward nonlinear distortion compensation amplifier Expired - Fee Related JP4030319B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002046762A JP4030319B2 (en) 2002-02-22 2002-02-22 Feedforward nonlinear distortion compensation amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002046762A JP4030319B2 (en) 2002-02-22 2002-02-22 Feedforward nonlinear distortion compensation amplifier

Publications (3)

Publication Number Publication Date
JP2003249823A JP2003249823A (en) 2003-09-05
JP2003249823A5 true JP2003249823A5 (en) 2005-04-07
JP4030319B2 JP4030319B2 (en) 2008-01-09

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ID=28660050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002046762A Expired - Fee Related JP4030319B2 (en) 2002-02-22 2002-02-22 Feedforward nonlinear distortion compensation amplifier

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JP (1) JP4030319B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7221223B2 (en) * 2005-07-28 2007-05-22 Motorola, Inc. Methods and apparatus of managing a power amplifier

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