JP2004088303A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2004088303A5 JP2004088303A5 JP2002244754A JP2002244754A JP2004088303A5 JP 2004088303 A5 JP2004088303 A5 JP 2004088303A5 JP 2002244754 A JP2002244754 A JP 2002244754A JP 2002244754 A JP2002244754 A JP 2002244754A JP 2004088303 A5 JP2004088303 A5 JP 2004088303A5
- Authority
- JP
- Japan
- Prior art keywords
- output
- digital
- signals
- signal processing
- transmitter
- 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.)
- Granted
Links
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002244754A JP4063612B2 (ja) | 2002-08-26 | 2002-08-26 | 送信機 |
| EP03019205A EP1394954B1 (en) | 2002-08-26 | 2003-08-25 | Transmitter |
| CNB031550568A CN1248522C (zh) | 2002-08-26 | 2003-08-26 | 发送机 |
| US10/647,259 US20040038696A1 (en) | 2002-08-26 | 2003-08-26 | Transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002244754A JP4063612B2 (ja) | 2002-08-26 | 2002-08-26 | 送信機 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004088303A JP2004088303A (ja) | 2004-03-18 |
| JP2004088303A5 true JP2004088303A5 (enExample) | 2005-10-20 |
| JP4063612B2 JP4063612B2 (ja) | 2008-03-19 |
Family
ID=31492513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002244754A Expired - Fee Related JP4063612B2 (ja) | 2002-08-26 | 2002-08-26 | 送信機 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20040038696A1 (enExample) |
| EP (1) | EP1394954B1 (enExample) |
| JP (1) | JP4063612B2 (enExample) |
| CN (1) | CN1248522C (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602006000525T2 (de) | 2005-06-03 | 2009-02-05 | Ntt Docomo Inc. | Mehrbandvorverzerrer mit Korrekturwertetabellen |
| RU2327184C1 (ru) * | 2006-09-28 | 2008-06-20 | Открытое Акционерное Общество "Научно-Производственное Объединение "Лианозовский Электромеханический Завод" (Оао "Нпо "Лэмз") | Передающее устройство импульсной рлс |
| GB0822659D0 (en) | 2008-12-12 | 2009-01-21 | Astrium Ltd | Multiport amplifier adjustment |
| US20120328050A1 (en) * | 2011-06-21 | 2012-12-27 | Telefonaktiebolaget L M Ericsson (Publ) | Centralized adaptor architecture for power amplifier linearizations in advanced wireless communication systems |
| US9130796B2 (en) * | 2012-07-17 | 2015-09-08 | Qualcomm Incorporated | Method and apparatus for characterized pre-distortion calibration of a power amplifier |
| US8855588B2 (en) * | 2012-12-19 | 2014-10-07 | Mstar Semiconductor, Inc. | Power amplifying apparatus and wireless signal transmitter utilizing the same |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3361095A (en) * | 1994-08-05 | 1996-03-04 | Acuson Corporation | Method and apparatus for transmit beamformer system |
| US5604462A (en) * | 1995-11-17 | 1997-02-18 | Lucent Technologies Inc. | Intermodulation distortion detection in a power shared amplifier network |
| US5675285A (en) * | 1995-12-21 | 1997-10-07 | Lucent Technologies Inc. | Multichannel predistortion linearizer for multiple amplifiers with multiple antennas |
| US5834972A (en) * | 1996-10-11 | 1998-11-10 | Motorola, Inc. | Method and system in a hybrid matrix amplifier for configuring a digital transformer |
| US5923712A (en) * | 1997-05-05 | 1999-07-13 | Glenayre Electronics, Inc. | Method and apparatus for linear transmission by direct inverse modeling |
| EP0891041B1 (de) * | 1997-07-08 | 2004-03-03 | Siemens Aktiengesellschaft | Sendeeinrichtung |
| US7076168B1 (en) * | 1998-02-12 | 2006-07-11 | Aquity, Llc | Method and apparatus for using multicarrier interferometry to enhance optical fiber communications |
| US6335767B1 (en) * | 1998-06-26 | 2002-01-01 | Harris Corporation | Broadcast transmission system with distributed correction |
| US6118339A (en) * | 1998-10-19 | 2000-09-12 | Powerwave Technologies, Inc. | Amplification system using baseband mixer |
| US6342810B1 (en) * | 1999-07-13 | 2002-01-29 | Pmc-Sierra, Inc. | Predistortion amplifier system with separately controllable amplifiers |
| JP2001268150A (ja) * | 2000-03-21 | 2001-09-28 | Hitachi Kokusai Electric Inc | リニアライザ |
| US6859643B1 (en) * | 2000-08-04 | 2005-02-22 | Lucent Technologies Inc. | Power amplifier sharing in a wireless communication system with amplifier pre-distortion |
| JP3690988B2 (ja) * | 2001-02-01 | 2005-08-31 | 株式会社日立国際電気 | プリディストーション歪み補償装置 |
| JP3805221B2 (ja) * | 2001-09-18 | 2006-08-02 | 株式会社日立国際電気 | 歪み補償装置 |
| US7058369B1 (en) * | 2001-11-21 | 2006-06-06 | Pmc-Sierra Inc. | Constant gain digital predistortion controller for linearization of non-linear amplifiers |
| US6983026B2 (en) * | 2002-03-19 | 2006-01-03 | Motorola, Inc. | Method and apparatus using base band transformation to improve transmitter performance |
| US6809587B2 (en) * | 2002-04-23 | 2004-10-26 | Mitec Telecom Inc. | Active predistorting linearizer with agile bypass circuit for safe mode operation |
-
2002
- 2002-08-26 JP JP2002244754A patent/JP4063612B2/ja not_active Expired - Fee Related
-
2003
- 2003-08-25 EP EP03019205A patent/EP1394954B1/en not_active Expired - Lifetime
- 2003-08-26 CN CNB031550568A patent/CN1248522C/zh not_active Expired - Fee Related
- 2003-08-26 US US10/647,259 patent/US20040038696A1/en not_active Abandoned
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2004107563A3 (en) | High-efficiency amplifier, converter and methods | |
| WO2008081887A1 (ja) | Δς変調型デジタルアナログ変換器、デジタル信号処理方法、およびav装置 | |
| DE60031160D1 (de) | Verfahren und vorrichtung zur erzeugung eines funkfrequenzsignals | |
| GB2394390B (en) | Arrangement and method for RF filter | |
| CA2488472A1 (en) | Digital memory-based predistortion technique | |
| ATE544232T1 (de) | Rf-verstärker mit digitalem filter für polarsender | |
| GB0423011D0 (en) | Method and apparatus for analogue to digital conversion | |
| CN202374223U (zh) | 一种家用有源音箱用全数字音频放大电路 | |
| WO2011103822A3 (zh) | 数字模拟预失真处理装置和信号发射系统及信号发射方法 | |
| WO2005094537A3 (en) | Model based distortion reduction for power amplifiers | |
| CA2396832A1 (en) | Method of generating an electrical output signal and acoustical/electrical conversion system | |
| AU2002305309A1 (en) | Frequency conversion by undersampling | |
| WO2014205725A1 (zh) | 一种多频段功率放大装置 | |
| WO2006039649A3 (en) | Unified analog input front end apparatus and method | |
| WO2004102790A3 (en) | Digital switching power amplifier | |
| CN206533497U (zh) | 一种双麦克风拾音话筒 | |
| RU2012142252A (ru) | Передающая система и способ повышения кпд и линейности на принципах декомпозиции | |
| CA2257047A1 (en) | Auto audio/video output circuit with multiple audio/video inputs | |
| JP4063612B2 (ja) | 送信機 | |
| AU2003215998A1 (en) | An implementation method for pre-distortion of non-linear devices | |
| WO2019083267A3 (ko) | 센서의 신호를 읽어 출력하는 반도체 장치 | |
| CN204887408U (zh) | 一种连体式光纤端子数字音频传输器 | |
| MY158025A (en) | System and method for receiving multiple channels | |
| DE602006013720D1 (de) | Vorrichtung zum überwachen nichtlinearer verzerrungen von funksignalen und verfahren dafür | |
| CN101030372B (zh) | 一种语音信号处理系统 |