HK1045029A1 - 預失真型失真補償設備 - Google Patents

預失真型失真補償設備

Info

Publication number
HK1045029A1
HK1045029A1 HK02106450.8A HK02106450A HK1045029A1 HK 1045029 A1 HK1045029 A1 HK 1045029A1 HK 02106450 A HK02106450 A HK 02106450A HK 1045029 A1 HK1045029 A1 HK 1045029A1
Authority
HK
Hong Kong
Prior art keywords
distortion compensation
compensation apparatus
type distortion
predistortion type
predistortion
Prior art date
Application number
HK02106450.8A
Other languages
English (en)
Inventor
Horaguchi Masato
Hongo Naoki
Uchida Takashi
Suto Masaki
Takada Toshio
Original Assignee
Hitachi Int Electric 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 Hitachi Int Electric Inc filed Critical Hitachi Int Electric Inc
Publication of HK1045029A1 publication Critical patent/HK1045029A1/zh

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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • 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
    • 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
HK02106450.8A 2001-02-01 2002-08-31 預失真型失真補償設備 HK1045029A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001025419A JP3690988B2 (ja) 2001-02-01 2001-02-01 プリディストーション歪み補償装置

Publications (1)

Publication Number Publication Date
HK1045029A1 true HK1045029A1 (zh) 2002-11-08

Family

ID=18890411

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02106450.8A HK1045029A1 (zh) 2001-02-01 2002-08-31 預失真型失真補償設備

Country Status (4)

Country Link
US (1) US6925106B2 (zh)
EP (1) EP1229640A3 (zh)
JP (1) JP3690988B2 (zh)
HK (1) HK1045029A1 (zh)

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US20050233712A1 (en) * 2004-04-16 2005-10-20 Thales Broadcast & Multimedia, Inc. Low-frequency signal correction circuit
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CN101099296A (zh) * 2005-01-04 2008-01-02 富士通株式会社 Dc偏移补偿方法及dc偏移补偿装置
JP4701024B2 (ja) * 2005-07-07 2011-06-15 株式会社日立国際電気 プリディストーション歪補償付き増幅器
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JP4755518B2 (ja) * 2006-03-30 2011-08-24 日本無線株式会社 増幅器のデジタル前置歪補償回路
US7689179B2 (en) * 2006-07-03 2010-03-30 Panasonic Corporation Multistage amplifier apparatus with distortion compensation function
US9026067B2 (en) 2007-04-23 2015-05-05 Dali Systems Co. Ltd. Remotely reconfigurable power amplifier system and method
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US7627293B2 (en) * 2006-12-28 2009-12-01 Alcatel-Lucent Usa Inc. Strategic predistortion function selection
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US8274332B2 (en) * 2007-04-23 2012-09-25 Dali Systems Co. Ltd. N-way Doherty distributed power amplifier with power tracking
US8224266B2 (en) * 2007-08-30 2012-07-17 Dali Systems Co., Ltd. Power amplifier predistortion methods and apparatus using envelope and phase detector
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KR100991494B1 (ko) * 2008-09-22 2010-11-04 세원텔레텍 주식회사 디지털 전치왜곡 방법 및 그 장치
US8666325B2 (en) 2008-12-03 2014-03-04 Intel Mobile Communications GmbH Polar feedback receiver for modulator
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JP5303809B2 (ja) * 2009-10-20 2013-10-02 株式会社日立国際電気 歪補償装置
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US11283458B1 (en) 2020-11-09 2022-03-22 Pavel Hofman Determining and compensating respective harmonic distortions of digital to analog and analog to digital conversions
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Also Published As

Publication number Publication date
EP1229640A2 (en) 2002-08-07
US20020101938A1 (en) 2002-08-01
JP2002232325A (ja) 2002-08-16
US6925106B2 (en) 2005-08-02
EP1229640A3 (en) 2004-08-25
JP3690988B2 (ja) 2005-08-31

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