ES2104732T3 - Metodo y aparato de preparacion de un transmisor lineal. - Google Patents

Metodo y aparato de preparacion de un transmisor lineal.

Info

Publication number
ES2104732T3
ES2104732T3 ES91920047T ES91920047T ES2104732T3 ES 2104732 T3 ES2104732 T3 ES 2104732T3 ES 91920047 T ES91920047 T ES 91920047T ES 91920047 T ES91920047 T ES 91920047T ES 2104732 T3 ES2104732 T3 ES 2104732T3
Authority
ES
Spain
Prior art keywords
training
linear transmitter
preparation
closed loop
open loop
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.)
Expired - Lifetime
Application number
ES91920047T
Other languages
English (en)
Inventor
Paul H Gailus
Francis R Yester
William J Turney
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of ES2104732T3 publication Critical patent/ES2104732T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • 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
    • 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
    • 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
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/57—Separate feedback of real and complex signals being present
    • 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)
  • Transmitters (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Amplifiers (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

METODO DE ECUALIZACION DE UN TRANSMISOR LINEAL Y APARATO UN TRANSMISOR LINEAL (10) QUE TIENE TANTO FUNCIONES QUE LE HACEN QUE SEA CAPAZ DE FUNCIONAR EN MODO DE ECUALIZACION EN BUCLE ABIERTO O EN BUCLE CERRADO PARA PLANIFICAR Y FACILITAR ESTOS MODOS DE ECUALIZACION DE MODO QUE SE REDUZCA LA INTERFERENCIA DE CANAL ADYACENTE. SE PUEDE UTILIZAR UNA FORMA DE ONDA ECUALIZADORA PARA MEJORAR ESTOS OBJETIVOS OPERACIONALES. SE PUEDE ORDENAR LA PLANIFICACION DE LOS MODOS DE ECUALIZACION EN BUCLE ABIERTO Y EN BUCLE CERRADO, EN UN SISTEMA DE MULTIPLEXION POR DIVISION DE TIEMPO, DE DISTINTAS MANERAS. EL TRANSMISOR (10) INCLUYE UNA PRIMERA Y UNA SEGUNDA RUTAS DE INFORMACION (11 Y 12), UNA RUTA DE SEÑAL DE INFORMACION COMBINADA (13), UNA PRIMERA Y UNA SEGUNDA RUTAS DE REALIMENTACION (14 Y 15) Y UNA UNIDAD DE AJUSTE DE FASE (16).
ES91920047T 1990-10-31 1991-09-30 Metodo y aparato de preparacion de un transmisor lineal. Expired - Lifetime ES2104732T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/606,653 US5066923A (en) 1990-10-31 1990-10-31 Linear transmitter training method and apparatus

Publications (1)

Publication Number Publication Date
ES2104732T3 true ES2104732T3 (es) 1997-10-16

Family

ID=24428890

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91920047T Expired - Lifetime ES2104732T3 (es) 1990-10-31 1991-09-30 Metodo y aparato de preparacion de un transmisor lineal.

Country Status (11)

Country Link
US (1) US5066923A (es)
EP (1) EP0507926B1 (es)
JP (1) JP2811961B2 (es)
KR (1) KR960005373B1 (es)
CN (1) CN1021688C (es)
AT (1) ATE156314T1 (es)
AU (2) AU636807B2 (es)
CA (1) CA2069513C (es)
DE (1) DE69127069T2 (es)
ES (1) ES2104732T3 (es)
WO (1) WO1992008280A1 (es)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5175879A (en) * 1991-04-25 1992-12-29 Motorola, Inc. Linear amplifier with feedback path and phase error compensation
GB2265269B (en) * 1992-03-02 1995-08-30 Motorola Ltd Radio transmitter with linearization training sequence
GB2265270B (en) * 1992-03-02 1996-06-12 Motorola Ltd Rf power amplifier with linearization
US5237288A (en) * 1992-06-05 1993-08-17 Sea, Inc. RF power amplifier linearization
SE470455B (sv) * 1992-08-24 1994-04-11 Ericsson Telefon Ab L M Anordning för kompensering av fasvridningen i återkopplingsslingan vid en kartesiskt återkopplad effektförstärkare
GB2272133B (en) * 1992-11-02 1996-06-12 Motorola Inc Radio system
US5381108A (en) * 1992-11-16 1995-01-10 Linear Modulation Technology Limited Automatic calibration of the quadrature balance within a cartesian amplifier
US5551070A (en) * 1993-01-28 1996-08-27 Telefonaktiebolaget Lm Ericsson Cartesian multicarrier feedback
US5423082A (en) * 1993-06-24 1995-06-06 Motorola, Inc. Method for a transmitter to compensate for varying loading without an isolator
US5559468A (en) * 1993-06-28 1996-09-24 Motorola, Inc. Feedback loop closure in a linear transmitter
GB9316869D0 (en) * 1993-08-13 1993-09-29 Philips Electronics Uk Ltd Transmitter and power amplifier therefor
GB2281668B (en) * 1993-08-20 1997-10-08 Motorola Inc Radio transmitter with power amplifier linearizer
EP0665996A1 (en) * 1993-08-20 1995-08-09 Motorola, Inc. Radio transmitter with power amplifier linearizer
GB9320078D0 (en) * 1993-09-29 1993-11-17 Linear Modulation Tech Cartesian amplifier power control and related applications
US5524285A (en) * 1993-11-02 1996-06-04 Wray; Anthony J. Radio transmitter with power amplifier and linearization
FI94476C (fi) * 1993-11-18 1995-09-11 Nokia Telecommunications Oy Menetelmä lähetinvastaanotinyksikön lähettimen vaihevirheen minimoimiseksi sekä lähetinvastaanotinyksikkö
US5564086A (en) * 1993-11-29 1996-10-08 Motorola, Inc. Method and apparatus for enhancing an operating characteristic of a radio transmitter
JP2918018B2 (ja) * 1993-11-30 1999-07-12 日本電気株式会社 線形送信機
EP0656714B1 (en) * 1993-11-30 2003-08-27 Nec Corporation Adaptive linearisation of a quadrature modulator
US5838733A (en) * 1993-12-23 1998-11-17 Motorola, Inc. Method and apparatus for mitigating signal distortion in a communication system
GB2286302B (en) * 1994-01-29 1998-12-16 Motorola Inc Power amplifier and radio transmitter
GB2287595B (en) * 1994-03-09 1997-03-05 Motorola Ltd Method for amplitude training in a linear power amplifier
GB2287371B (en) * 1994-03-11 1998-12-16 Motorola Israel Ltd Radio transmitter power amplifier calibration
US5574992A (en) * 1994-04-29 1996-11-12 Motorola, Inc. Method and apparatus for reducing off-channel interference produced by a linear transmitter
GB2293935B (en) * 1994-10-03 1999-07-14 Linear Modulation Tech Automatic calibration of carrier suppression and loop phase in a cartesian amplifier
US5564087A (en) * 1994-11-03 1996-10-08 Motorola, Inc. Method and apparatus for a linear transmitter
GB2301247A (en) * 1995-05-22 1996-11-27 Univ Bristol A cartesian loop transmitter amplifier
GB2309342B (en) * 1996-01-18 2000-08-23 Motorola Israel Ltd Linear transmitter and method of operation
US5675286A (en) * 1996-02-12 1997-10-07 Motorola, Inc. Method and apparatus for an improved linear transmitter
US5675287A (en) * 1996-02-12 1997-10-07 Motorola, Inc. Digital DC correction circuit for a linear transmitter
FR2746563B1 (fr) * 1996-03-22 1998-06-05 Matra Communication Procede pour corriger des non-linearites d'un amplificateur, et emetteur radio mettant en oeuvre un tel procede
US5894496A (en) * 1996-09-16 1999-04-13 Ericsson Inc. Method and apparatus for detecting and compensating for undesired phase shift in a radio transceiver
US5783968A (en) * 1996-11-14 1998-07-21 Motorola, Inc. RF amplifier method and apparatus
GB9715278D0 (en) * 1997-07-18 1997-09-24 Cambridge Consultants Signal processing system
US5930689A (en) * 1997-10-24 1999-07-27 Motorola, Inc. Apparatus and method for producing a plurality of output signals with fixed phase relationships therebetween
US6112059A (en) * 1997-11-12 2000-08-29 Motorola, Inc. Off-channel leakage power monitor apparatus and method
FI105612B (fi) 1998-10-23 2000-09-15 Nokia Networks Oy Menetelmä ja kytkentä vaihevirheen korjaamiseksi tehovahvistimen linearisointisilmukassa
US6252456B1 (en) * 1999-07-29 2001-06-26 Motorola, Inc. Power amplifier load controller and method for controlling a power amplifier load
DE19959403A1 (de) 1999-12-09 2001-06-13 Rohde & Schwarz Anordnung zum Regeln der Ausgangsleistung eines HF-Senders
US6477368B1 (en) * 2000-04-28 2002-11-05 Motorola, Inc. Method for dynamic transmitter training for a shared communication system utilizing dynamic channel allocation
US6731694B2 (en) 2001-08-07 2004-05-04 Motorola, Inc. Isolator eliminator for a linear transmitter
US8107901B2 (en) * 2001-08-20 2012-01-31 Motorola Solutions, Inc. Feedback loop with adjustable bandwidth
US7164893B2 (en) * 2001-08-31 2007-01-16 Motorola, Inc. Method and apparatus for optimizing supply modulation in a transmitter
DE10163466A1 (de) * 2001-12-21 2003-07-10 Infineon Technologies Ag Sendeanordnung für zeitkontinuierliche Datenübertragung
US7151913B2 (en) * 2003-06-30 2006-12-19 M/A-Com, Inc. Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
US7751496B2 (en) * 2003-06-25 2010-07-06 Pine Valley Investments, Inc. Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
US7221915B2 (en) * 2003-06-25 2007-05-22 M/A-Com, Inc. Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
FR2846812B1 (fr) * 2002-11-05 2005-01-28 Eads Defence & Security Ntwk Perfectionnement aux procedes et dispositifs d'apprentissage d'un dispositif de linearisation d'un amplificateur rf
US7639015B2 (en) * 2003-07-18 2009-12-29 Mks Instruments, Inc. Methods and systems for stabilizing an amplifier
US8461842B2 (en) * 2003-07-18 2013-06-11 Mks Instruments, Inc. Methods and systems for stabilizing an amplifier
US7075366B2 (en) * 2003-07-18 2006-07-11 Mks Instruments, Inc. Methods and systems for stabilizing an amplifier
US20050020205A1 (en) * 2003-07-23 2005-01-27 Ramin Khoini-Poorfard Apparatus and method for carrier feedthrough cancellation in RF upconverters
GB2408860B (en) * 2003-12-04 2006-12-20 Motorola Inc Wireless communication unit, linearised transmitter circuit and method of linearising therein
EP1779507B1 (en) 2004-07-28 2012-06-20 MKS Instruments, Inc. Methods and systems for stabilizing an amplifier
US20060098761A1 (en) * 2004-11-10 2006-05-11 Motorola, Inc. Multi-mode transmitter
US20060148430A1 (en) * 2004-12-30 2006-07-06 Motorola, Inc. Power management of a transmitter and supporting methods and apparatus
US7421252B2 (en) * 2005-08-02 2008-09-02 Freescale Semiconductor, Inc. Center frequency control of an integrated phase rotator band-pass filter using VCO coarse trim bits
US20070161356A1 (en) * 2006-01-12 2007-07-12 Hoon Bryan A Method and apparatus for improved carrier feed thru rejection for a linear amplifier
US7864882B2 (en) * 2006-12-30 2011-01-04 Motorola Mobility, Inc. Method and apparatus for generating constant envelope modulation using a quadrature transmitter
GB2445776B (en) 2007-01-17 2009-08-19 Motorola Inc Wireless communication unit, linearised transmitter circuit and method of linearising therein
GB2458624B (en) * 2007-01-17 2011-08-10 Motorola Inc Wireless communication unit, linearised transmitter circuit and method of linearising therein
US8175553B2 (en) * 2007-01-17 2012-05-08 Motorola Solutions, Inc. Wireless communication unit, linearised transmitter circuit and method of linearising therein
WO2008088602A1 (en) * 2007-01-17 2008-07-24 Motorola, Inc. Wireless communication unit, linearised transmitter circuit and method of linearising therein
US7787565B2 (en) * 2007-05-03 2010-08-31 Motorola, Inc. System and method for performing baseband phase shifting in a Cartesian feedback system
US7719355B2 (en) * 2007-05-31 2010-05-18 Motorola, Inc. Method and apparatus for providing a Cartesian training waveform
US20090033418A1 (en) * 2007-08-03 2009-02-05 M/A-Com, Inc. Training sequence and digital linearization process for power amplifier
US8059777B2 (en) * 2007-11-16 2011-11-15 Motorola Solutions, Inc. Method and apparatus for generating phase shifted local oscillator signals for a feedback loop on a transmitter
US8412759B2 (en) * 2008-06-27 2013-04-02 Entropic Communications, Inc. System and method for active diplexers
US8964892B2 (en) 2011-08-23 2015-02-24 Motorola Solutions, Inc. Apparatus and method for operating a transmitter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454732A1 (fr) * 1979-04-17 1980-11-14 Ibm France Procede et dispositif pour initialiser un egaliseur adaptatif a partir d'un signal de donnees inconnu dans un systeme de transmission utilisant une modulation a double bande laterale-porteuses en quadrature
JPS60121355A (ja) * 1983-12-05 1985-06-28 Honda Motor Co Ltd チエ−ンテンシヨナ
US4852090A (en) * 1987-02-02 1989-07-25 Motorola, Inc. TDMA communications system with adaptive equalization
US4868516A (en) * 1988-04-14 1989-09-19 John Fluke Mfg. Co., Inc. Alternating current amplifier with digitally controlled frequency response

Also Published As

Publication number Publication date
DE69127069D1 (de) 1997-09-04
ATE156314T1 (de) 1997-08-15
AU636807B2 (en) 1993-05-06
CN1021688C (zh) 1993-07-21
KR920704416A (ko) 1992-12-19
DE69127069T2 (de) 1998-02-19
US5066923A (en) 1991-11-19
AU8903391A (en) 1992-05-26
EP0507926A4 (en) 1993-05-12
JP2811961B2 (ja) 1998-10-15
JPH05504454A (ja) 1993-07-08
AU642610B2 (en) 1993-10-21
CA2069513A1 (en) 1992-05-01
CA2069513C (en) 1995-12-12
EP0507926B1 (en) 1997-07-30
EP0507926A1 (en) 1992-10-14
KR960005373B1 (ko) 1996-04-24
AU3525593A (en) 1993-05-13
CN1061123A (zh) 1992-05-13
WO1992008280A1 (en) 1992-05-14

Similar Documents

Publication Publication Date Title
ES2104732T3 (es) Metodo y aparato de preparacion de un transmisor lineal.
ATE117853T1 (de) Dichtungsmaterial und verschlussverfahren und - vorrichtung.
DE69014605D1 (de) Vorrichtung zum Füllen und Versiegeln.
DE69630596D1 (de) Originalitätsverschluss mit garantieband
JPS57193311A (en) Method and device for uniformly deposing elastic plastic web and forming opening
DE3787962D1 (de) Leistungseinrichtung mit veränderlicher Geschwindigkeit und konstanter Frequenz mit Gleichstromzwischenkreis und Steuerverfahren.
DE59709887D1 (de) Anordnung zur Erzeugung und zum Senden von Mikrowellen, insb. für ein Füllstandsmessgerät
DE69204532D1 (de) Dichtungs- und Führungsleisten.
BR8502923A (pt) Valvula,retentor,refratario e metodo
KR920700816A (ko) 슬라이딩 게이트 밸브, 방법 및 대체가능한 내화물
DE69100679D1 (de) Vergasende Verbrennungsmethode und vergasende Energieerzeugungsmethode.
DE3674180D1 (de) Waermedichtungsverfahren und -vorrichtung.
NO893130D0 (no) Glide- og tetningsenhet for broennhode.
DE68901755D1 (de) Kupplungs- und dichtvorrichtung mit metallippe.
DE69114246D1 (de) Diskretes wiederholungssteuerverfahren und vorrichtung dafür.
FI965192A (fi) Menetelmä ravinnon lisäaineen valmistamiseksi, lisäaine ja sen käyttö
ATA20290A (de) Bauelementensatz zum abdichten von kanaelen u.dgl.
SE8901621L (sv) Spaennanordning foer kedjor, band, linor och liknande
DE69527795T2 (de) Vorrichtung mit kombinierter dichtung / lageranordnung
GB9500163D0 (en) Sealing,methods,means and apparatus
ATA144093A (de) Knieführungsschienen zur befestigung an schalen, bändern u.dgl.
ES270791Y (es) Dispositivo de mando para apertura y cierre de llave en bombonas de gas.
DE69404114D1 (de) Mechanische vorrichtung zur untersetzung, übersetzung und änderung der drehzahl
FR2555238B1 (fr) Porte coulissante fermant avec etancheite
NL1001106A1 (nl) Eindloze transporteur met een continu voortbewegend en een intermitterend voortbewegend transporteurpart.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 507926

Country of ref document: ES