FI982298A - Menetelmä ja kytkentä vaihevirheen korjaamiseksi tehovahvistimen linearisointisilmukassa - Google Patents

Menetelmä ja kytkentä vaihevirheen korjaamiseksi tehovahvistimen linearisointisilmukassa Download PDF

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Publication number
FI982298A
FI982298A FI982298A FI982298A FI982298A FI 982298 A FI982298 A FI 982298A FI 982298 A FI982298 A FI 982298A FI 982298 A FI982298 A FI 982298A FI 982298 A FI982298 A FI 982298A
Authority
FI
Finland
Prior art keywords
signals
loop
phase
modulator
phase error
Prior art date
Application number
FI982298A
Other languages
English (en)
Swedish (sv)
Other versions
FI105612B (fi
FI982298A0 (fi
Inventor
Niklas Lagerblom
Kristian Thomasson
Original Assignee
Nokia Networks Oy
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 Nokia Networks Oy filed Critical Nokia Networks Oy
Publication of FI982298A0 publication Critical patent/FI982298A0/fi
Priority to FI982298A priority Critical patent/FI105612B/fi
Priority to AU10484/00A priority patent/AU1048400A/en
Priority to US09/581,940 priority patent/US6639950B1/en
Priority to EP99954016A priority patent/EP1040571B1/en
Priority to NZ505308A priority patent/NZ505308A/en
Priority to AT99954016T priority patent/ATE274256T1/de
Priority to CN99801903.8A priority patent/CN1121092C/zh
Priority to DE69919504T priority patent/DE69919504T2/de
Priority to PCT/FI1999/000883 priority patent/WO2000025421A1/en
Priority to CA002311821A priority patent/CA2311821A1/en
Publication of FI982298A publication Critical patent/FI982298A/fi
Priority to NO20003258A priority patent/NO20003258D0/no
Application granted granted Critical
Publication of FI105612B publication Critical patent/FI105612B/fi

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
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • H03D7/168—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages using a feedback loop containing mixers or demodulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FI982298A 1998-10-23 1998-10-23 Menetelmä ja kytkentä vaihevirheen korjaamiseksi tehovahvistimen linearisointisilmukassa FI105612B (fi)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FI982298A FI105612B (fi) 1998-10-23 1998-10-23 Menetelmä ja kytkentä vaihevirheen korjaamiseksi tehovahvistimen linearisointisilmukassa
CN99801903.8A CN1121092C (zh) 1998-10-23 1999-10-22 纠正功率放大器中线性环路中相位误差的方法和设备
US09/581,940 US6639950B1 (en) 1998-10-23 1999-10-22 Method and arrangement for correcting phase error in linearization loop of power amplifier
EP99954016A EP1040571B1 (en) 1998-10-23 1999-10-22 Method and arrangement for correcting phase error in linearization loop of power amplifier
NZ505308A NZ505308A (en) 1998-10-23 1999-10-22 Method and arrangement for correcting phase error in linearization loop of power amplifier
AT99954016T ATE274256T1 (de) 1998-10-23 1999-10-22 Verfahren und anordnung zum korriegeiren von phasnefehlern in einer linearisierungsschleife eines leistungsverstärkers
AU10484/00A AU1048400A (en) 1998-10-23 1999-10-22 Method and arrangement for correcting phase error in linearization loop of power amplifier
DE69919504T DE69919504T2 (de) 1998-10-23 1999-10-22 Verfahren und anordnung zum korriegeiren von phasnefehlern in einer linearisierungsschleife eines leistungsverstärkers
PCT/FI1999/000883 WO2000025421A1 (en) 1998-10-23 1999-10-22 Method and arrangement for correcting phase error in linearization loop of power amplifier
CA002311821A CA2311821A1 (en) 1998-10-23 1999-10-22 Method and arrangement for correcting phase error in linearization loop of power amplifier
NO20003258A NO20003258D0 (no) 1998-10-23 2000-06-22 FremgangsmÕte og anordning for korrigering av fasefeil i en effektforsterkers lineariseringssløyfe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI982298A FI105612B (fi) 1998-10-23 1998-10-23 Menetelmä ja kytkentä vaihevirheen korjaamiseksi tehovahvistimen linearisointisilmukassa
FI982298 1998-10-23

Publications (3)

Publication Number Publication Date
FI982298A0 FI982298A0 (fi) 1998-10-23
FI982298A true FI982298A (fi) 2000-04-24
FI105612B FI105612B (fi) 2000-09-15

Family

ID=8552770

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982298A FI105612B (fi) 1998-10-23 1998-10-23 Menetelmä ja kytkentä vaihevirheen korjaamiseksi tehovahvistimen linearisointisilmukassa

Country Status (11)

Country Link
US (1) US6639950B1 (fi)
EP (1) EP1040571B1 (fi)
CN (1) CN1121092C (fi)
AT (1) ATE274256T1 (fi)
AU (1) AU1048400A (fi)
CA (1) CA2311821A1 (fi)
DE (1) DE69919504T2 (fi)
FI (1) FI105612B (fi)
NO (1) NO20003258D0 (fi)
NZ (1) NZ505308A (fi)
WO (1) WO2000025421A1 (fi)

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DE19946669C2 (de) 1999-09-29 2001-09-27 Rohde & Schwarz Verfahren zum Einstellen eines Phasenwinkels eines Phasenschiebers einer Sendeeinrichtung
DE19946668C2 (de) * 1999-09-29 2001-09-27 Rohde & Schwarz Sendeeinrichtung und Verfahren zu deren schneller Umschaltung
US8617351B2 (en) 2002-07-09 2013-12-31 Applied Materials, Inc. Plasma reactor with minimal D.C. coils for cusp, solenoid and mirror fields for plasma uniformity and device damage reduction
US8048806B2 (en) 2000-03-17 2011-11-01 Applied Materials, Inc. Methods to avoid unstable plasma states during a process transition
KR100382487B1 (ko) * 2000-11-02 2003-05-09 엘지전자 주식회사 이득 및 위상 왜곡 보상 기능을 가지는 이동통신 송신시스템
JP2002223130A (ja) * 2001-01-25 2002-08-09 Fujitsu Ltd 送信装置および送信方法
US6947712B2 (en) * 2001-12-12 2005-09-20 Agere Systems Inc. Group delay precompensator for broadband radio frequency transmitter and method of operating the same
DE10163466A1 (de) * 2001-12-21 2003-07-10 Infineon Technologies Ag Sendeanordnung für zeitkontinuierliche Datenübertragung
US6985704B2 (en) 2002-05-01 2006-01-10 Dali Yang System and method for digital memorized predistortion for wireless communication
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
TWI283899B (en) * 2002-07-09 2007-07-11 Applied Materials Inc Capacitively coupled plasma reactor with magnetic plasma control
GB2395843B (en) * 2002-11-29 2006-04-26 Motorola Inc Wireless subscriber communication unit and antenna arrangement therefor
GB2400250B (en) * 2003-03-31 2005-05-25 Motorola Inc Wireless communication unit and linearised transmitter circuit therefor
GB2408860B (en) * 2003-12-04 2006-12-20 Motorola Inc Wireless communication unit, linearised transmitter circuit and method of linearising therein
US7570201B1 (en) * 2004-11-05 2009-08-04 Northrop Grumman Corporation Radar exciter including phase compensation of the waveform generator
JP4595509B2 (ja) * 2004-11-26 2010-12-08 ソニー株式会社 無線通信装置及び無線通信方法、並びにコンピュータ・プログラム
US20060205375A1 (en) * 2005-03-11 2006-09-14 Nokia Corporation Measurement circuit and method for measuring the level of an RF signal, and a transmitter including a measurement circuit
US20070135064A1 (en) * 2005-12-09 2007-06-14 Ruelke Charles R Method and apparatus for reducing phase imbalance in radio frequency signals
EP2106648B1 (en) 2006-12-26 2018-08-08 Dali Systems Co., Ltd. Method and system for baseband predistortion linearization in multi-channel wideband communication systems
US8175553B2 (en) * 2007-01-17 2012-05-08 Motorola Solutions, Inc. Wireless communication unit, linearised transmitter circuit and method of linearising therein
GB2445776B (en) * 2007-01-17 2009-08-19 Motorola Inc Wireless communication unit, linearised transmitter circuit and method of linearising therein
US7689180B2 (en) * 2007-05-15 2010-03-30 Sige Semiconductor Inc. Method and apparatus for a cartesian error feedback circuit to correct distortion within a power amplifier
WO2009125321A1 (en) 2008-04-07 2009-10-15 Nxp B.V. Cancellation of oscillator remodulation
US7876261B1 (en) * 2008-10-28 2011-01-25 Lockheed Martin Corporation Reflected wave clock synchronization
GB2466072B (en) * 2008-12-12 2011-03-23 Motorola Inc Adaptive cartesian loop transmitter for broadband and optimal loop stability adjustment
JP5251748B2 (ja) * 2009-06-17 2013-07-31 富士通株式会社 位相補正装置、位相補正方法
JP5251749B2 (ja) * 2009-06-17 2013-07-31 富士通株式会社 位相補正装置、位相補正方法
WO2011108103A1 (ja) * 2010-03-04 2011-09-09 三菱電機株式会社 送信モジュールおよびフェーズドアレイアンテナ装置
CN105141513B (zh) 2010-09-14 2018-12-14 大力系统有限公司 操作分布式天线系统的方法和在该系统中进行通信的方法
GB2510917A (en) * 2013-02-19 2014-08-20 Roke Manor Research A suppression circuit for suppressing unwanted transmitter output
US9338041B1 (en) 2015-07-24 2016-05-10 Tm Ip Holdings, Llc Extracting carrier signals from modulated signals
US9338042B1 (en) * 2015-07-27 2016-05-10 Tm Ip Holdings, Llc Separating and extracting modulated signals
US10341161B2 (en) 2017-07-10 2019-07-02 Tm Ip Holdings, Llc Multi-dimensional signal encoding
WO2019236746A1 (en) 2018-06-05 2019-12-12 Tm Ip Holdings, Llc Transpositional modulation and demodulation

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US5959500A (en) * 1998-01-26 1999-09-28 Glenayre Electronics, Inc. Model-based adaptive feedforward amplifier linearizer

Also Published As

Publication number Publication date
NO20003258L (no) 2000-06-22
CA2311821A1 (en) 2000-05-04
AU1048400A (en) 2000-05-15
NO20003258D0 (no) 2000-06-22
DE69919504T2 (de) 2005-09-08
NZ505308A (en) 2002-07-26
ATE274256T1 (de) 2004-09-15
CN1121092C (zh) 2003-09-10
CN1287712A (zh) 2001-03-14
EP1040571B1 (en) 2004-08-18
US6639950B1 (en) 2003-10-28
WO2000025421A1 (en) 2000-05-04
FI105612B (fi) 2000-09-15
DE69919504D1 (de) 2004-09-23
EP1040571A1 (en) 2000-10-04
FI982298A0 (fi) 1998-10-23

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