JP2004088303A5 - - Google Patents

Download PDF

Info

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
Application number
JP2002244754A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004088303A (ja
JP4063612B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2002244754A priority Critical patent/JP4063612B2/ja
Priority claimed from JP2002244754A external-priority patent/JP4063612B2/ja
Priority to EP03019205A priority patent/EP1394954B1/en
Priority to CNB031550568A priority patent/CN1248522C/zh
Priority to US10/647,259 priority patent/US20040038696A1/en
Publication of JP2004088303A publication Critical patent/JP2004088303A/ja
Publication of JP2004088303A5 publication Critical patent/JP2004088303A5/ja
Application granted granted Critical
Publication of JP4063612B2 publication Critical patent/JP4063612B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2002244754A 2002-08-26 2002-08-26 送信機 Expired - Fee Related JP4063612B2 (ja)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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