ATE326077T1 - Linearisierung eines verstärkers - Google Patents

Linearisierung eines verstärkers

Info

Publication number
ATE326077T1
ATE326077T1 AT00977495T AT00977495T ATE326077T1 AT E326077 T1 ATE326077 T1 AT E326077T1 AT 00977495 T AT00977495 T AT 00977495T AT 00977495 T AT00977495 T AT 00977495T AT E326077 T1 ATE326077 T1 AT E326077T1
Authority
AT
Austria
Prior art keywords
linearization
amplifier
signal
input signal
modified input
Prior art date
Application number
AT00977495T
Other languages
English (en)
Inventor
Mahmoud Darvish-Zadeh
Ahmad Khanifar
William Jenkins
Original Assignee
Nokia Corp
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 Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE326077T1 publication Critical patent/ATE326077T1/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
AT00977495T 1999-11-12 2000-11-07 Linearisierung eines verstärkers ATE326077T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9926886.4A GB9926886D0 (en) 1999-11-12 1999-11-12 Linerisation of an amplifier

Publications (1)

Publication Number Publication Date
ATE326077T1 true ATE326077T1 (de) 2006-06-15

Family

ID=10864470

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00977495T ATE326077T1 (de) 1999-11-12 2000-11-07 Linearisierung eines verstärkers

Country Status (8)

Country Link
US (1) US7053709B1 (de)
EP (1) EP1236272B1 (de)
AT (1) ATE326077T1 (de)
AU (1) AU1519201A (de)
DE (1) DE60027920T2 (de)
ES (1) ES2263503T3 (de)
GB (1) GB9926886D0 (de)
WO (1) WO2001037424A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002368547A (ja) * 2001-06-11 2002-12-20 Hitachi Kokusai Electric Inc 歪み改善回路
GB2388984B (en) * 2002-05-24 2005-10-05 Wireless Systems Int Ltd Signal correction by predistortion
JP4091047B2 (ja) * 2002-10-31 2008-05-28 深▲川▼市中▲興▼通▲訊▼股▲分▼有限公司 広帯域プリディストーション線形化の方法およびシステム
KR100584518B1 (ko) * 2004-04-01 2006-05-29 삼성전자주식회사 선형성을 가지는 피드-포워드 전력 증폭기
EP2632076A3 (de) * 2004-04-15 2013-11-20 QUALCOMM Incorporated Mehrträger-Kommunikationsverfahren und Vorrichtungen
US7848717B2 (en) * 2004-12-21 2010-12-07 Zte Corporation Method and system for out of band predistortion linearization
FI20055012A0 (fi) * 2005-01-07 2005-01-07 Nokia Corp Lähetyssignaalin leikkaaminen
US8457584B2 (en) * 2005-05-31 2013-06-04 Broadcom Corporation Systems and methods to attenuate intermodulation interference
US8040958B2 (en) * 2007-03-02 2011-10-18 Honda Motor Co., Ltd Method for measuring correlation between frequency response functions
US8509343B2 (en) * 2009-06-03 2013-08-13 Qualcomm Incorporated Methods and apparatus for amplifying and transmitting signals
JP5355508B2 (ja) * 2009-08-27 2013-11-27 株式会社エヌ・ティ・ティ・ドコモ べき級数型ディジタルプリディストータとその歪補償制御方法
JP4951074B2 (ja) * 2010-02-26 2012-06-13 株式会社エヌ・ティ・ティ・ドコモ べき級数型ディジタルプリディストータとその歪補償制御方法
WO2014107354A1 (en) * 2013-01-04 2014-07-10 Marvell World Trade Ltd. Method and apparatus for calibrating time alignment
US9838048B2 (en) * 2014-12-19 2017-12-05 The Regents Of The University Of California Channelized active noise elimination (CANE) for bit stream RF transmitters
US9893682B2 (en) 2015-06-30 2018-02-13 Skyworks Solutions, Inc. Amplifier linearization in a radio frequency system
US10523250B2 (en) 2016-09-06 2019-12-31 Apple Inc. Systems and methods for mitigating intermodulation effects
US10879854B2 (en) 2018-01-26 2020-12-29 Skyworks Solutions, Inc. Universal memory-based model for nonlinear power amplifier behaviors

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825843A (en) 1973-06-08 1974-07-23 Bell Telephone Labor Inc Selective distortion compensation circuit
US4992754B1 (en) 1989-09-07 1997-10-28 Ortel Corp Predistorter for linearization of electronic and optical signals
US5049832A (en) * 1990-04-20 1991-09-17 Simon Fraser University Amplifier linearization by adaptive predistortion
FI98014C (fi) 1995-06-30 1997-03-25 Nokia Mobile Phones Ltd Kuutiointipiiri signaalin esisäröyttämiseksi
FR2752313B1 (fr) * 1996-08-07 1998-11-13 Alcatel Telspace Procede et dispositif de modelisation des caracteristiques am/am et am/pm d'un amplificateur, et procede de predistorsion correspondant
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
GB2335813B (en) 1998-03-06 2000-03-08 Wireless Systems Int Ltd Predistorter
US6054896A (en) * 1998-12-17 2000-04-25 Datum Telegraphic Inc. Controller and associated methods for a linc linear power amplifier
US6600792B2 (en) * 1998-06-26 2003-07-29 Qualcomm Incorporated Predistortion technique for high power amplifiers

Also Published As

Publication number Publication date
EP1236272B1 (de) 2006-05-10
GB9926886D0 (en) 2000-01-12
ES2263503T3 (es) 2006-12-16
WO2001037424A1 (en) 2001-05-25
US7053709B1 (en) 2006-05-30
EP1236272A1 (de) 2002-09-04
AU1519201A (en) 2001-05-30
DE60027920D1 (de) 2006-06-14
DE60027920T2 (de) 2006-11-16

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Legal Events

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