JP2002009557A - 線形補償増幅装置 - Google Patents
線形補償増幅装置Info
- Publication number
- JP2002009557A JP2002009557A JP2000185856A JP2000185856A JP2002009557A JP 2002009557 A JP2002009557 A JP 2002009557A JP 2000185856 A JP2000185856 A JP 2000185856A JP 2000185856 A JP2000185856 A JP 2000185856A JP 2002009557 A JP2002009557 A JP 2002009557A
- Authority
- JP
- Japan
- Prior art keywords
- output
- power amplifier
- phase
- main power
- unit
- 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.)
- Pending
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
-
- 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
-
- 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)
- Transmitters (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000185856A JP2002009557A (ja) | 2000-06-21 | 2000-06-21 | 線形補償増幅装置 |
| EP01113677A EP1170858A3 (en) | 2000-06-21 | 2001-06-20 | Linear amplifying equipment |
| US09/885,819 US6915118B2 (en) | 2000-06-21 | 2001-06-20 | Linear compensated amplifying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000185856A JP2002009557A (ja) | 2000-06-21 | 2000-06-21 | 線形補償増幅装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002009557A true JP2002009557A (ja) | 2002-01-11 |
| JP2002009557A5 JP2002009557A5 (enExample) | 2007-06-21 |
Family
ID=18686113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000185856A Pending JP2002009557A (ja) | 2000-06-21 | 2000-06-21 | 線形補償増幅装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6915118B2 (enExample) |
| EP (1) | EP1170858A3 (enExample) |
| JP (1) | JP2002009557A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007215248A (ja) * | 2007-05-30 | 2007-08-23 | Sony Corp | 電力増幅装置およびこれを用いた無線通信装置 |
| KR100763488B1 (ko) * | 2005-10-28 | 2007-10-04 | 세원텔레텍 주식회사 | 폐쇄형 루프 전치왜곡 방식을 이용한 고주파 선형 전력증폭기 |
| CN100411300C (zh) * | 2002-06-05 | 2008-08-13 | 松下电器产业株式会社 | 失真补偿器 |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6985704B2 (en) | 2002-05-01 | 2006-01-10 | Dali Yang | System and method for digital memorized predistortion for wireless communication |
| US8380143B2 (en) | 2002-05-01 | 2013-02-19 | Dali Systems Co. Ltd | Power amplifier time-delay invariant predistortion methods and apparatus |
| US8472897B1 (en) | 2006-12-22 | 2013-06-25 | Dali Systems Co. Ltd. | Power amplifier predistortion methods and apparatus |
| US8811917B2 (en) | 2002-05-01 | 2014-08-19 | Dali Systems Co. Ltd. | Digital hybrid mode power amplifier system |
| JP4142384B2 (ja) * | 2002-10-01 | 2008-09-03 | 松下電器産業株式会社 | 送信装置 |
| WO2004064248A1 (en) * | 2003-01-13 | 2004-07-29 | Telefonaktiebolaget L M Ericsson (Publ) | Device and method for predistorting an input signal |
| KR101122985B1 (ko) * | 2003-07-03 | 2012-03-16 | 자바나 디지털 펀드 엘엘씨 | 전송 시스템의 적응형 전치 왜곡법 |
| US6975167B2 (en) * | 2003-07-03 | 2005-12-13 | Icefyre Semiconductor Corporation | Adaptive predistortion for a transmit system with gain, phase and delay adjustments |
| US7453952B2 (en) | 2003-07-03 | 2008-11-18 | Saed Aryan | Predistortion circuit for a transmit system |
| US7409193B2 (en) | 2003-07-03 | 2008-08-05 | Zarbana Digital Fund Llc | Predistortion circuit for a transmit system |
| US7026871B2 (en) | 2003-07-03 | 2006-04-11 | Icefyre Semiconductor, Inc. | Adaptive predistortion for a transmit system |
| JP2005252509A (ja) * | 2004-03-03 | 2005-09-15 | Nec Corp | マルチキャリア伝送用非線形歪補償回路 |
| CN101479956B (zh) | 2006-04-28 | 2013-07-31 | 大力系统有限公司 | 用于无线通信的高效率线性化功率放大器 |
| WO2008078195A2 (en) | 2006-12-26 | 2008-07-03 | Dali Systems Co., Ltd. | Method and system for baseband predistortion linearization in multi-channel wideband communication systems |
| CN102089966B (zh) * | 2007-04-23 | 2016-02-03 | 大力系统有限公司 | N路doherty分布式功率放大器 |
| KR101829517B1 (ko) | 2010-09-14 | 2018-02-14 | 달리 시스템즈 씨오. 엘티디. | 원격으로 재구성가능한 분산 안테나 시스템 및 방법 |
| US11394351B2 (en) | 2019-11-19 | 2022-07-19 | Mediatek Inc. | High-linearity amplifier |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617522A (en) * | 1984-03-20 | 1986-10-14 | General Instrument Corporation | Temperature regulated feedforward amplifier |
| JPH0447804A (ja) | 1990-06-15 | 1992-02-18 | Nec Corp | 歪補償回路 |
| JPH04290321A (ja) | 1991-03-19 | 1992-10-14 | Fujitsu Ltd | 非線形歪補償方法 |
| JPH05183349A (ja) | 1991-12-26 | 1993-07-23 | Fujitsu Ltd | フィードフォワード増幅器 |
| JP3198864B2 (ja) | 1995-03-09 | 2001-08-13 | 松下電器産業株式会社 | 送信装置 |
| JPH1022844A (ja) * | 1996-07-05 | 1998-01-23 | Fujitsu Ltd | 送信機の非線形歪み検出回路および非線形歪み補償回路 |
| US5898338A (en) * | 1996-09-20 | 1999-04-27 | Spectrian | Adaptive digital predistortion linearization and feed-forward correction of RF power amplifier |
| JPH10270950A (ja) * | 1997-03-24 | 1998-10-09 | Kokusai Electric Co Ltd | 歪補償増幅装置 |
| JP3106996B2 (ja) * | 1997-04-02 | 2000-11-06 | 日本電気株式会社 | フィードフォワード増幅回路 |
| SE512623C2 (sv) * | 1997-11-03 | 2000-04-10 | Ericsson Telefon Ab L M | Förfarande och anordning i ett telekommunikationsproblem |
| JP4097430B2 (ja) * | 1999-07-28 | 2008-06-11 | 富士通株式会社 | 歪補償機能を備えた無線装置 |
| US6751447B1 (en) * | 1999-12-30 | 2004-06-15 | Samsung Electronics Cop., Ltd. | Adaptive digital pre-distortion circuit using output reference signal and method of operation |
| US6366177B1 (en) * | 2000-02-02 | 2002-04-02 | Tropian Inc. | High-efficiency power modulators |
| GB0011326D0 (en) * | 2000-05-11 | 2000-06-28 | Nortel Networks Corp | A linear amplifier arrangement |
-
2000
- 2000-06-21 JP JP2000185856A patent/JP2002009557A/ja active Pending
-
2001
- 2001-06-20 EP EP01113677A patent/EP1170858A3/en not_active Withdrawn
- 2001-06-20 US US09/885,819 patent/US6915118B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411300C (zh) * | 2002-06-05 | 2008-08-13 | 松下电器产业株式会社 | 失真补偿器 |
| KR100763488B1 (ko) * | 2005-10-28 | 2007-10-04 | 세원텔레텍 주식회사 | 폐쇄형 루프 전치왜곡 방식을 이용한 고주파 선형 전력증폭기 |
| JP2007215248A (ja) * | 2007-05-30 | 2007-08-23 | Sony Corp | 電力増幅装置およびこれを用いた無線通信装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1170858A2 (en) | 2002-01-09 |
| EP1170858A3 (en) | 2006-11-02 |
| US6915118B2 (en) | 2005-07-05 |
| US20020025790A1 (en) | 2002-02-28 |
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