FI973918A - Förfarande och koppling för kompensering av fördröjning i en effektförstärkares lineariseringsslinga - Google Patents

Förfarande och koppling för kompensering av fördröjning i en effektförstärkares lineariseringsslinga Download PDF

Info

Publication number
FI973918A
FI973918A FI973918A FI973918A FI973918A FI 973918 A FI973918 A FI 973918A FI 973918 A FI973918 A FI 973918A FI 973918 A FI973918 A FI 973918A FI 973918 A FI973918 A FI 973918A
Authority
FI
Finland
Prior art keywords
delay
power amplifier
demodulator
compensation
coupling
Prior art date
Application number
FI973918A
Other languages
English (en)
Finnish (fi)
Other versions
FI104450B (sv
FI973918A0 (fi
Inventor
Marko Pellonperae
Original Assignee
Nokia Telecommunications 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 Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of FI973918A0 publication Critical patent/FI973918A0/fi
Priority to FI973918A priority Critical patent/FI104450B/sv
Priority to AU94437/98A priority patent/AU745684B2/en
Priority to PCT/FI1998/000786 priority patent/WO1999019990A2/en
Priority to JP52108399A priority patent/JP2001505756A/ja
Priority to NZ336197A priority patent/NZ336197A/xx
Priority to CN98801771A priority patent/CN1243619A/zh
Priority to EP98947576A priority patent/EP0953232B1/en
Priority to ES98947576T priority patent/ES2281931T3/es
Priority to KR1019997005149A priority patent/KR20000069397A/ko
Priority to US09/319,463 priority patent/US6690743B1/en
Priority to DE69837002T priority patent/DE69837002T2/de
Priority to AT98947576T priority patent/ATE353172T1/de
Publication of FI973918A publication Critical patent/FI973918A/sv
Application granted granted Critical
Publication of FI104450B publication Critical patent/FI104450B/sv

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)
  • Steroid Compounds (AREA)
FI973918A 1997-10-09 1997-10-09 Förfarande och koppling för kompensering av fördröjning i en effektförstärkares lineariseringsslinga FI104450B (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FI973918A FI104450B (sv) 1997-10-09 1997-10-09 Förfarande och koppling för kompensering av fördröjning i en effektförstärkares lineariseringsslinga
EP98947576A EP0953232B1 (en) 1997-10-09 1998-10-07 Linearization arrangement of a power amplifier
KR1019997005149A KR20000069397A (ko) 1997-10-09 1998-10-07 전력 증폭기의 선형화 루프에서의 지연에 대한 보상
JP52108399A JP2001505756A (ja) 1997-10-09 1998-10-07 電力増幅器の直線化ループにおける遅延の補償
NZ336197A NZ336197A (en) 1997-10-09 1998-10-07 Compensation of delay in linearization loop of power amplifier
CN98801771A CN1243619A (zh) 1997-10-09 1998-10-07 功率放大器线性化环路中的延时补偿
AU94437/98A AU745684B2 (en) 1997-10-09 1998-10-07 Compensation of delay in linearization loop of power amplifier
ES98947576T ES2281931T3 (es) 1997-10-09 1998-10-07 Disposicion de linealizacion de un amplificador de potencia.
PCT/FI1998/000786 WO1999019990A2 (en) 1997-10-09 1998-10-07 Compensation of delay in linearization loop of power amplifier
US09/319,463 US6690743B1 (en) 1997-10-09 1998-10-07 Compensation of delay in linearization loop of power amplifier
DE69837002T DE69837002T2 (de) 1997-10-09 1998-10-07 Verzögerungskompensierungseinrichtung einer linearisationsschleife eines leistungsverstärkers
AT98947576T ATE353172T1 (de) 1997-10-09 1998-10-07 Verzögerungskompensierungseinrichtung einer linearisationsschleife eines leistungsverstärkers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI973918 1997-10-09
FI973918A FI104450B (sv) 1997-10-09 1997-10-09 Förfarande och koppling för kompensering av fördröjning i en effektförstärkares lineariseringsslinga

Publications (3)

Publication Number Publication Date
FI973918A0 FI973918A0 (fi) 1997-10-09
FI973918A true FI973918A (sv) 1999-04-10
FI104450B FI104450B (sv) 2000-01-31

Family

ID=8549694

Family Applications (1)

Application Number Title Priority Date Filing Date
FI973918A FI104450B (sv) 1997-10-09 1997-10-09 Förfarande och koppling för kompensering av fördröjning i en effektförstärkares lineariseringsslinga

Country Status (12)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1252910C (zh) 2000-10-17 2006-04-19 艾利森电话股份有限公司 通信系统
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
DE69837002T2 (de) 2007-05-24
WO1999019990A2 (en) 1999-04-22
WO1999019990A3 (en) 1999-06-24
FI104450B (sv) 2000-01-31
EP0953232A1 (en) 1999-11-03
CN1243619A (zh) 2000-02-02
US6690743B1 (en) 2004-02-10
FI973918A0 (fi) 1997-10-09
NZ336197A (en) 2000-10-27
DE69837002D1 (de) 2007-03-22
JP2001505756A (ja) 2001-04-24
EP0953232B1 (en) 2007-01-31
KR20000069397A (ko) 2000-11-25
AU745684B2 (en) 2002-03-28
ES2281931T3 (es) 2007-10-01
ATE353172T1 (de) 2007-02-15
AU9443798A (en) 1999-05-03

Similar Documents

Publication Publication Date Title
FI982298A0 (sv) Förfarande och koppling för korrigering av fasfel i en effektförstärkares lineäriseringsslinga
EP1224731A4 (en) IMPROVED FORECAST COMPENSATION FOR A POWER AMPLIFIER
MY115509A (en) Circuit and method for linearizing amplitude modulation in a power amplifier
SE9503687D0 (sv) Effektförstärkare som har kapslad amplitudmoduleringsstyrenhet och fasmodulationsstyrenhet
SE9701538L (sv) Förstärkarkrets och förfarande för avstämning av förstärkarkretsen
EP0860940A3 (en) Linearization of an amplifier employing modified feedforward correction
FI973918A (sv) Förfarande och koppling för kompensering av fördröjning i en effektförstärkares lineariseringsslinga
EP0951143A3 (en) Technique for effectively rendering power amplification and control in wireless communications
DE60005163D1 (de) Nichtlinearer generator zum erzeugen von verzerrungen
NO952112L (no) Fremgangsmåtekrets for adaptiv kompensasjon av forsterkningsforvrengninger til en mikrobölgeforsterker med linearisering
AU1519201A (en) Linearisation of an amplifier
SE9602585L (sv) Anordning och förfarande för fasdistorsionskompensering
CA2289396A1 (en) Feed forward compensation using phase and time modulation
DK28398A (da) Fremgangsmåde ved kompensering af ulineariteter i en forstærker, en forstærker, samt anvendelser af fremgangsmåden og forst
WO2001063744A3 (en) Phasen- und frequenzmodulator
SE9704284D0 (sv) En förstärkare och ett förfarande i förstärkaren
EP0280356A3 (en) Linearizer for microwave power amplifiers
WO2004055971A3 (de) Sendestufe nach dem envelope-elimination-restoration prinzip (eer)
NO20021283D0 (no) Fremgangsmåte ved linearisering av en höyfrekvensforsterker
MXPA03000303A (es) Arreglo de circuito para la compensacion de senales parasitas en un circuito de regulacion de una sonda lamda lineal.
JPS6139765B2 (sv)
EP0182664A3 (en) Low noise oscillator
EP1032122A3 (en) Distortion compensating device
JPS55158716A (en) Amplitude limiter
JPS5582516A (en) Amplitude modulator