ATE353172T1 - Verzögerungskompensierungseinrichtung einer linearisationsschleife eines leistungsverstärkers - Google Patents

Verzögerungskompensierungseinrichtung einer linearisationsschleife eines leistungsverstärkers

Info

Publication number
ATE353172T1
ATE353172T1 AT98947576T AT98947576T ATE353172T1 AT E353172 T1 ATE353172 T1 AT E353172T1 AT 98947576 T AT98947576 T AT 98947576T AT 98947576 T AT98947576 T AT 98947576T AT E353172 T1 ATE353172 T1 AT E353172T1
Authority
AT
Austria
Prior art keywords
power amplifier
delay
demodulator
amplifier
compensation device
Prior art date
Application number
AT98947576T
Other languages
English (en)
Inventor
Marko Pellonperae
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 ATE353172T1 publication Critical patent/ATE353172T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/191—Tuned amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/08—Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
    • 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
    • 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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0433—Circuits with power amplifiers with linearisation using feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transceivers (AREA)
  • Steroid Compounds (AREA)
AT98947576T 1997-10-09 1998-10-07 Verzögerungskompensierungseinrichtung einer linearisationsschleife eines leistungsverstärkers ATE353172T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI973918A FI104450B (fi) 1997-10-09 1997-10-09 Menetelmä ja kytkentä viiveen kompensoimiseksi tehovahvistimen linearisointisilmukassa

Publications (1)

Publication Number Publication Date
ATE353172T1 true ATE353172T1 (de) 2007-02-15

Family

ID=8549694

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98947576T ATE353172T1 (de) 1997-10-09 1998-10-07 Verzögerungskompensierungseinrichtung einer linearisationsschleife eines leistungsverstärkers

Country Status (12)

Country Link
US (1) US6690743B1 (de)
EP (1) EP0953232B1 (de)
JP (1) JP2001505756A (de)
KR (1) KR20000069397A (de)
CN (1) CN1243619A (de)
AT (1) ATE353172T1 (de)
AU (1) AU745684B2 (de)
DE (1) DE69837002T2 (de)
ES (1) ES2281931T3 (de)
FI (1) FI104450B (de)
NZ (1) NZ336197A (de)
WO (1) WO1999019990A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002033820A1 (en) 2000-10-17 2002-04-25 Telefonaktiebolaget L M Ericsson (Publ) Communications systems
US7409004B2 (en) * 2001-06-19 2008-08-05 Matsushita Electric Industrial Co., Ltd. Hybrid polar modulator differential phase Cartesian feedback correction circuit for power amplifier linearization
JP2003060997A (ja) * 2001-08-21 2003-02-28 Hitachi Ltd デジタル放送再送信装置
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
KR100472070B1 (ko) * 2002-10-16 2005-03-10 한국전자통신연구원 선형화가 가능한 적응 배열 안테나 시스템 및 그 선형화방법
CN1330097C (zh) * 2002-12-10 2007-08-01 中兴通讯股份有限公司 一种延时匹配装置
US8548091B2 (en) * 2007-12-21 2013-10-01 Apple Inc. Measuring and correcting errors in a transmit chain with an IQ up-converter and IQ down-converter
CN105676943B (zh) * 2015-12-31 2018-08-17 广州中大微电子有限公司 一种SoC芯片中I/Q解调时钟电路
US10135476B2 (en) * 2016-02-01 2018-11-20 Apple Inc. Noise cancellation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3361984A (en) * 1965-05-12 1968-01-02 Westinghouse Electric Corp Signal translation system utilizing transport delay feedback
FR2520572B1 (fr) * 1982-01-28 1986-01-17 Lgt Lab Gen Telecomm Systeme de correction de non-linearites par premodulation en frequences intermediaires dans un equipement de television
US5420536A (en) 1993-03-16 1995-05-30 Victoria University Of Technology Linearized power amplifier
US5396196A (en) 1993-12-29 1995-03-07 At&T Corp. Quadrature modular with adaptive suppression of carrier leakage
US5469114A (en) * 1994-10-03 1995-11-21 Advanced Milliwave Laboratories, Inc. Loss less RF feedback for power amplifier linearization
JP2874743B2 (ja) * 1995-01-21 1999-03-24 日本電気株式会社 負帰還増幅器
GB9521769D0 (en) * 1995-10-24 1996-01-03 Philips Electronics Nv Transmitter

Also Published As

Publication number Publication date
FI973918A (fi) 1999-04-10
AU9443798A (en) 1999-05-03
FI973918A0 (fi) 1997-10-09
DE69837002T2 (de) 2007-05-24
EP0953232A1 (de) 1999-11-03
JP2001505756A (ja) 2001-04-24
WO1999019990A3 (en) 1999-06-24
CN1243619A (zh) 2000-02-02
EP0953232B1 (de) 2007-01-31
NZ336197A (en) 2000-10-27
ES2281931T3 (es) 2007-10-01
KR20000069397A (ko) 2000-11-25
US6690743B1 (en) 2004-02-10
FI104450B (fi) 2000-01-31
AU745684B2 (en) 2002-03-28
DE69837002D1 (de) 2007-03-22
WO1999019990A2 (en) 1999-04-22

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Legal Events

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