FI105506B - Vahvistimen linearisointimenetelmä ja vahvistinjärjestely - Google Patents
Vahvistimen linearisointimenetelmä ja vahvistinjärjestely Download PDFInfo
- Publication number
- FI105506B FI105506B FI980967A FI980967A FI105506B FI 105506 B FI105506 B FI 105506B FI 980967 A FI980967 A FI 980967A FI 980967 A FI980967 A FI 980967A FI 105506 B FI105506 B FI 105506B
- Authority
- FI
- Finland
- Prior art keywords
- input signal
- uin
- signal
- amplifier
- quadrature
- Prior art date
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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI980967A FI105506B (fi) | 1998-04-30 | 1998-04-30 | Vahvistimen linearisointimenetelmä ja vahvistinjärjestely |
AT99919304T ATE275301T1 (de) | 1998-04-30 | 1999-04-28 | Linearisierung für verstärkerund verstärkervorrichtung |
DE69919861T DE69919861T2 (de) | 1998-04-30 | 1999-04-28 | Linearisierung für verstärkerund verstärkervorrichtung |
PCT/FI1999/000352 WO1999057806A1 (en) | 1998-04-30 | 1999-04-28 | Linearization method for amplifier, and amplifier arrangement |
JP2000547694A JP2002514028A (ja) | 1998-04-30 | 1999-04-28 | 増幅器の直線化方法及び増幅器構成体 |
AU37128/99A AU3712899A (en) | 1998-04-30 | 1999-04-28 | Linearization method for amplifier, and amplifier arrangement |
CN99805648A CN1299532A (zh) | 1998-04-30 | 1999-04-28 | 用于放大器的线性化方法与放大器设备 |
EP99919304A EP1075731B1 (en) | 1998-04-30 | 1999-04-28 | Linearization method for amplifier, and amplifier arrangement |
US09/702,922 US6741663B1 (en) | 1998-04-30 | 2000-10-27 | Linearization method for amplifier, and amplifier arrangement |
NO20005417A NO20005417L (no) | 1998-04-30 | 2000-10-27 | Fremgangsmåte for linearisering av en forsterker, samt forsterkeranordning |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI980967 | 1998-04-30 | ||
FI980967A FI105506B (fi) | 1998-04-30 | 1998-04-30 | Vahvistimen linearisointimenetelmä ja vahvistinjärjestely |
Publications (3)
Publication Number | Publication Date |
---|---|
FI980967A0 FI980967A0 (fi) | 1998-04-30 |
FI980967A FI980967A (fi) | 1999-10-31 |
FI105506B true FI105506B (fi) | 2000-08-31 |
Family
ID=8551630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI980967A FI105506B (fi) | 1998-04-30 | 1998-04-30 | Vahvistimen linearisointimenetelmä ja vahvistinjärjestely |
Country Status (10)
Country | Link |
---|---|
US (1) | US6741663B1 (no) |
EP (1) | EP1075731B1 (no) |
JP (1) | JP2002514028A (no) |
CN (1) | CN1299532A (no) |
AT (1) | ATE275301T1 (no) |
AU (1) | AU3712899A (no) |
DE (1) | DE69919861T2 (no) |
FI (1) | FI105506B (no) |
NO (1) | NO20005417L (no) |
WO (1) | WO1999057806A1 (no) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4256057B2 (ja) | 1999-09-30 | 2009-04-22 | 株式会社東芝 | 非線形補償器 |
DE69932723T2 (de) * | 1999-09-30 | 2007-09-06 | Kabushiki Kaisha Toshiba, Kawasaki | Nichtlineare Korrekturvorrichtung |
AU2069001A (en) * | 1999-12-28 | 2001-07-09 | Motorola, Inc. | Locally-adapted fractionally-spaced linear predistorter |
US6711221B1 (en) * | 2000-02-16 | 2004-03-23 | Thomson Licensing S.A. | Sampling offset correction in an orthogonal frequency division multiplexing system |
US7061991B2 (en) * | 2000-07-21 | 2006-06-13 | Pmc - Sierra Inc. | Systems and methods for the reduction of peak to average signal levels of multi-bearer single-carrier and multi-carrier waveforms |
ES2243586T3 (es) * | 2000-11-24 | 2005-12-01 | Nokia Corporation | Medidas de componentes. |
JP2002223130A (ja) * | 2001-01-25 | 2002-08-09 | Fujitsu Ltd | 送信装置および送信方法 |
US6940919B2 (en) * | 2001-04-16 | 2005-09-06 | Northrop Grumman Corporation | Bandpass predistortion method and apparatus for radio transmission |
GB2376581B (en) * | 2001-06-15 | 2005-03-09 | Wireless Systems Int Ltd | Control scheme for signal processing arrangement |
GB2376613B (en) * | 2001-06-15 | 2005-01-05 | Wireless Systems Int Ltd | Methods and apparatus for signal distortion correction |
US7409004B2 (en) * | 2001-06-19 | 2008-08-05 | Matsushita Electric Industrial Co., Ltd. | Hybrid polar modulator differential phase Cartesian feedback correction circuit for power amplifier linearization |
JP4012725B2 (ja) | 2001-12-05 | 2007-11-21 | 株式会社日立コミュニケーションテクノロジー | プリディストーション型増幅装置 |
FR2835120B1 (fr) | 2002-01-21 | 2006-10-20 | Evolium Sas | Procede et dispositif de preparation de signaux destines a etre compares pour etablir une pre-distorsion sur l'entree d'un amplificateur |
CN1177449C (zh) * | 2002-04-23 | 2004-11-24 | 华为技术有限公司 | 基于基带数字预失真技术的提高射频功率放大器效率的方法 |
US8380143B2 (en) | 2002-05-01 | 2013-02-19 | Dali Systems Co. Ltd | Power amplifier time-delay invariant predistortion methods and apparatus |
US8811917B2 (en) | 2002-05-01 | 2014-08-19 | Dali Systems Co. Ltd. | Digital hybrid mode power amplifier system |
US6985704B2 (en) | 2002-05-01 | 2006-01-10 | Dali Yang | System and method for digital memorized predistortion for wireless communication |
US8472897B1 (en) | 2006-12-22 | 2013-06-25 | Dali Systems Co. Ltd. | Power amplifier predistortion methods and apparatus |
US8064850B2 (en) * | 2002-05-01 | 2011-11-22 | Dali Systems Co., Ltd. | High efficiency linearization power amplifier for wireless communication |
SE525221C2 (sv) | 2003-03-25 | 2004-12-28 | Ericsson Telefon Ab L M | Förförvrängare för effektförstärkare |
US7372918B2 (en) * | 2003-09-30 | 2008-05-13 | Infineon Technologies Ag | Transmission device with adaptive digital predistortion, transceiver with transmission device, and method for operating a transmission device |
US20050111574A1 (en) * | 2003-09-30 | 2005-05-26 | Jan-Erik Muller | Transmission device with digital predistortion, and method for regulating predistortion in a transmission device |
US7239671B2 (en) * | 2004-07-09 | 2007-07-03 | Powerwave Technologies, Inc. | System and method for digital timing error correction in a communications system utilizing adaptive predistortion |
JP4499107B2 (ja) * | 2004-09-13 | 2010-07-07 | 三菱電機株式会社 | 歪補償装置 |
US7193462B2 (en) * | 2005-03-22 | 2007-03-20 | Powerwave Technologies, Inc. | RF power amplifier system employing an analog predistortion module using zero crossings |
CN100563225C (zh) | 2005-05-27 | 2009-11-25 | 华为技术有限公司 | 对基带数字信号进行预失真处理的通用装置 |
FI20055354A0 (fi) * | 2005-06-29 | 2005-06-29 | Nokia Corp | Datankäsittelymenetelmä, lähetin, laite, verkkoelementti ja tukiasema |
JP4951238B2 (ja) | 2005-12-27 | 2012-06-13 | パナソニック株式会社 | 極座標変調送信装置及び適応歪補償処理システム並びに極座標変調送信方法及び適応歪補償処理方法 |
KR100720743B1 (ko) | 2006-11-22 | 2007-05-23 | 주식회사 프리웍스 | 디지털 전치 왜곡을 이용한 디지털 광중계 시스템 및 그방법 |
US9026067B2 (en) * | 2007-04-23 | 2015-05-05 | Dali Systems Co. Ltd. | Remotely reconfigurable power amplifier system and method |
JP5236661B2 (ja) | 2006-12-26 | 2013-07-17 | ダリ システムズ カンパニー リミテッド | 多チャンネル広帯域通信システムにおけるベースバンドプリディストーション線形化の方法及びシステム |
US8274332B2 (en) | 2007-04-23 | 2012-09-25 | Dali Systems Co. Ltd. | N-way Doherty distributed power amplifier with power tracking |
JP5474764B2 (ja) * | 2007-04-23 | 2014-04-16 | ダリ システムズ カンパニー リミテッド | Nウェイ分散電力増幅器 |
US20080285640A1 (en) * | 2007-05-15 | 2008-11-20 | Crestcom, Inc. | RF Transmitter With Nonlinear Predistortion and Method Therefor |
US8224266B2 (en) * | 2007-08-30 | 2012-07-17 | Dali Systems Co., Ltd. | Power amplifier predistortion methods and apparatus using envelope and phase detector |
CN101184070B (zh) * | 2007-12-07 | 2010-06-02 | 北京北方烽火科技有限公司 | 一种百兆宽带数字预失真功率放大装置和方法 |
CN102150361B (zh) * | 2007-12-07 | 2016-11-09 | 大力***有限公司 | 基带导出的射频数字预失真 |
CN100578922C (zh) | 2007-12-17 | 2010-01-06 | 华为技术有限公司 | 高效功率放大器 |
GB2465399B (en) * | 2008-11-17 | 2015-07-15 | Nujira Ltd | Generation of pre-distortion coefficients |
CN101908861B (zh) * | 2009-06-08 | 2012-11-07 | 瑞昱半导体股份有限公司 | 传送器、输出信号失真降低方法及预失真参数产生方法 |
US8295790B2 (en) * | 2009-12-10 | 2012-10-23 | Vyycore Ltd. | Apparatus and method for pre-distorting and amplifying a signal |
JP5761646B2 (ja) | 2009-12-21 | 2015-08-12 | ダリ システムズ カンパニー リミテッド | 変調アグノスティック(agnostic)デジタルハイブリッドモード電力増幅器のシステム及び方法 |
KR101829517B1 (ko) | 2010-09-14 | 2018-02-14 | 달리 시스템즈 씨오. 엘티디. | 원격으로 재구성가능한 분산 안테나 시스템 및 방법 |
JP2013115725A (ja) * | 2011-11-30 | 2013-06-10 | Asahi Kasei Electronics Co Ltd | 歪補償器 |
EP3745664A1 (en) * | 2012-07-23 | 2020-12-02 | Dali Systems Co. Ltd | Method and system for aligning signals widely spaced in frequency for wideband digital predistortion in wireless communication systems |
CN104038459B (zh) * | 2013-03-04 | 2018-01-05 | 中兴通讯股份有限公司 | 一种iq调制器及其处理方法 |
US10656254B2 (en) * | 2015-11-19 | 2020-05-19 | Analog Devices, Inc. | Analog ultrasound beamformer |
EP3306817B8 (en) * | 2016-10-07 | 2021-04-21 | Rohde & Schwarz GmbH & Co. KG | Predistortion system and method |
CN109683115B (zh) * | 2019-02-12 | 2024-05-03 | 泰山医学院 | 一种磁共振射频功率放大器装置及磁共振*** |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0771118B2 (ja) * | 1989-12-27 | 1995-07-31 | 三菱電機株式会社 | 変調装置 |
FR2652969A1 (fr) * | 1989-10-06 | 1991-04-12 | Philips Electronique Lab | Dispositif de predistorsion pour systeme de transmission numerique. |
US5420536A (en) * | 1993-03-16 | 1995-05-30 | Victoria University Of Technology | Linearized power amplifier |
IT1265271B1 (it) * | 1993-12-14 | 1996-10-31 | Alcatel Italia | Sistema di predistorsione in banda base per la linearizzazione adattativa di amplificatori di potenza |
FR2746564B1 (fr) * | 1996-03-22 | 1998-06-05 | Matra Communication | Procede pour corriger des non-linearites d'un amplificateur, et emetteur radio mettant en oeuvre un tel procede |
US5923712A (en) * | 1997-05-05 | 1999-07-13 | Glenayre Electronics, Inc. | Method and apparatus for linear transmission by direct inverse modeling |
US6075411A (en) * | 1997-12-22 | 2000-06-13 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for wideband predistortion linearization |
-
1998
- 1998-04-30 FI FI980967A patent/FI105506B/fi active
-
1999
- 1999-04-28 EP EP99919304A patent/EP1075731B1/en not_active Expired - Lifetime
- 1999-04-28 JP JP2000547694A patent/JP2002514028A/ja active Pending
- 1999-04-28 AU AU37128/99A patent/AU3712899A/en not_active Abandoned
- 1999-04-28 DE DE69919861T patent/DE69919861T2/de not_active Expired - Lifetime
- 1999-04-28 CN CN99805648A patent/CN1299532A/zh active Pending
- 1999-04-28 AT AT99919304T patent/ATE275301T1/de not_active IP Right Cessation
- 1999-04-28 WO PCT/FI1999/000352 patent/WO1999057806A1/en active IP Right Grant
-
2000
- 2000-10-27 US US09/702,922 patent/US6741663B1/en not_active Expired - Fee Related
- 2000-10-27 NO NO20005417A patent/NO20005417L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO20005417D0 (no) | 2000-10-27 |
CN1299532A (zh) | 2001-06-13 |
NO20005417L (no) | 2000-12-27 |
DE69919861T2 (de) | 2005-09-01 |
EP1075731A1 (en) | 2001-02-14 |
FI980967A0 (fi) | 1998-04-30 |
EP1075731B1 (en) | 2004-09-01 |
WO1999057806A1 (en) | 1999-11-11 |
AU3712899A (en) | 1999-11-23 |
US6741663B1 (en) | 2004-05-25 |
ATE275301T1 (de) | 2004-09-15 |
FI980967A (fi) | 1999-10-31 |
DE69919861D1 (de) | 2004-10-07 |
JP2002514028A (ja) | 2002-05-14 |
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