[go: up one dir, main page]

DE69414490D1 - Sender und zugehöriger Leistungsverstärker - Google Patents

Sender und zugehöriger Leistungsverstärker

Info

Publication number
DE69414490D1
DE69414490D1 DE69414490T DE69414490T DE69414490D1 DE 69414490 D1 DE69414490 D1 DE 69414490D1 DE 69414490 T DE69414490 T DE 69414490T DE 69414490 T DE69414490 T DE 69414490T DE 69414490 D1 DE69414490 D1 DE 69414490D1
Authority
DE
Germany
Prior art keywords
transmitter
power amplifier
associated power
amplifier
power
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
DE69414490T
Other languages
English (en)
Other versions
DE69414490T2 (de
Inventor
Geoffrey Sidney Sparks
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.)
Sepura Ltd
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69414490D1 publication Critical patent/DE69414490D1/de
Publication of DE69414490T2 publication Critical patent/DE69414490T2/de
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
    • H03F1/32—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
    • 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
    • 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
    • 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
    • H03F2200/438—Separate feedback of amplitude and phase signals being present
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DE69414490T 1993-08-13 1994-08-09 Sender und zugehöriger Leistungsverstärker Expired - Lifetime DE69414490T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939316869A GB9316869D0 (en) 1993-08-13 1993-08-13 Transmitter and power amplifier therefor

Publications (2)

Publication Number Publication Date
DE69414490D1 true DE69414490D1 (de) 1998-12-17
DE69414490T2 DE69414490T2 (de) 1999-06-02

Family

ID=10740455

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69414490T Expired - Lifetime DE69414490T2 (de) 1993-08-13 1994-08-09 Sender und zugehöriger Leistungsverstärker

Country Status (5)

Country Link
US (1) US5469105A (de)
EP (1) EP0638994B1 (de)
JP (1) JP3556973B2 (de)
DE (1) DE69414490T2 (de)
GB (1) GB9316869D0 (de)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI94476C (fi) * 1993-11-18 1995-09-11 Nokia Telecommunications Oy Menetelmä lähetinvastaanotinyksikön lähettimen vaihevirheen minimoimiseksi sekä lähetinvastaanotinyksikkö
GB2287595B (en) * 1994-03-09 1997-03-05 Motorola Ltd Method for amplitude training in a linear power amplifier
JPH0832464A (ja) * 1994-07-15 1996-02-02 Uniden Corp 送信機におけるキャリアリーク補正方法
JPH0832462A (ja) * 1994-07-15 1996-02-02 Uniden Corp カーテジアンループのｄｃオフセット回路
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
GB9510679D0 (en) * 1995-05-25 1995-07-19 British Tech Group Method and apparatus for modulating, demodulating and amplifying
US5939951A (en) * 1995-05-25 1999-08-17 Btg International Limited Methods and apparatus for modulating, demodulating and amplifying
GB2309342B (en) * 1996-01-18 2000-08-23 Motorola Israel Ltd Linear transmitter and method of operation
WO1998000907A1 (en) * 1996-06-28 1998-01-08 Philips Electronics N.V. Circuit arrangement comprising a power amplifier stage
US5898906A (en) * 1996-10-29 1999-04-27 Gec Plessey Semiconductors, Inc. System and method for implementing a cellular radio transmitter device
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
US5933767A (en) * 1997-09-15 1999-08-03 Motorola, Inc. Apparatus and method for tuning the gain of a transmitter utilizing cartesian feedback
US6618096B1 (en) 1997-09-29 2003-09-09 Scientific-Atlanta, Inc. System and method for adaptively balancing quadrature modulators for vestigial-sideband generation
US6167247A (en) * 1998-07-15 2000-12-26 Lucent Technologies, Inc. Local oscillator leak cancellation circuit
FR2795280B1 (fr) * 1999-06-15 2001-08-10 Sagem Telephone mobile comportant un dispositif d'emission d'un signal module en phase et en amplitude et son procede associe
US6246286B1 (en) * 1999-10-26 2001-06-12 Telefonaktiebolaget Lm Ericsson Adaptive linearization of power amplifiers
US6449465B1 (en) * 1999-12-20 2002-09-10 Motorola, Inc. Method and apparatus for linear amplification of a radio frequency signal
US6384677B2 (en) * 2000-01-28 2002-05-07 Hitachi Kokusai Electric Inc. Power amplifier having negative feedback circuit for transmitter
US6396350B2 (en) 2000-02-09 2002-05-28 Paradigm Wireless Systems, Inc. Power booster method and apparatus for improving the performance of radio frequency linear power amplifiers
GB2359680B (en) * 2000-02-25 2002-05-15 Motorola Israel Ltd Apparatus for linear transmitter with improved loop gain stabilization
US20030186426A1 (en) * 2000-03-15 2003-10-02 The Regents Of The University Of California Multichannel flow cell for interacting single optically trapped, DNA molecules with different chemical species
EP1324486B1 (de) * 2000-09-27 2006-03-15 Mitsubishi Denki Kabushiki Kaisha vVERFAHREN UND SCHALTUNG ZUR VERZERRUNGSKOMPENSATION UND ZUR AUSGANGSSTEUERUNG
DE10056472A1 (de) 2000-11-15 2002-05-29 Infineon Technologies Ag Polar-Loop-Sendeschaltung
GB0030693D0 (en) * 2000-12-15 2001-01-31 Nokia Mobile Phones Ltd Amplifier circuit radio transmitter method and use
US7065154B2 (en) * 2000-12-29 2006-06-20 Nokia Corporation Baseband predistortion method for multicarrier transmitters
JP3880329B2 (ja) * 2001-04-20 2007-02-14 株式会社日立国際電気 ループゲイン制御方法及び電力増幅回路
JP3664990B2 (ja) * 2001-04-25 2005-06-29 株式会社東芝 高周波回路及び通信システム
US7138863B2 (en) 2001-06-22 2006-11-21 Telefonaktiebolaget Lm Ericsson (Publ) Gain control of a power amplifier
GB2376822B (en) * 2001-06-22 2005-06-22 Ericsson Telefon Ab L M Telecommunications systems
GB0212740D0 (en) * 2002-05-31 2002-07-10 Hitachi Ltd Transmitter and wireless communication apparatus using the transmitter
GB2389253B (en) * 2002-05-31 2005-09-21 Hitachi Ltd Transmitter and semiconductor integrated circuit for communication
US6904268B2 (en) * 2002-09-30 2005-06-07 Motorola, Inc. Low noise linear transmitter using cartesian feedback
EP1416628B1 (de) * 2002-10-31 2013-12-25 Hewlett-Packard Development Company, L.P. Verstärkersysteme und Verfahren mit einer Rückkopplungsschleife
US7133649B2 (en) * 2002-12-24 2006-11-07 Hitachi Kokusai Electric, Inc. Negative feedback amplifier for transmitter, transmitter, and method of correcting error in the negative feedback amplifier
GB2398648B (en) * 2003-02-19 2005-11-09 Nujira Ltd Power supply stage for an amplifier
US7084704B2 (en) * 2003-07-31 2006-08-01 Skyworks Solutions, Inc. Variable gain amplifier system
JP2005204110A (ja) * 2004-01-16 2005-07-28 Hitachi Kokusai Electric Inc 送信機用電力増幅部
FR2871629A1 (fr) * 2004-06-09 2005-12-16 Thomson Licensing Sa Dispositif de conversion de frequences, procede d'etalonnage dudit dispositif et systeme d'emission/reception de signaux electromagnetiques comportant un tel dispositif
US7164313B2 (en) * 2004-11-12 2007-01-16 Aspendos Communications Method and apparatus for opening a feedback loop
US7555275B2 (en) * 2006-04-14 2009-06-30 Viasat, Inc. Systems, methods and devices for dual closed loop modulation controller for nonlinear RF amplifier
CN100417484C (zh) * 2006-12-19 2008-09-10 郑州煤矿机械集团有限责任公司 利用普通数控车床去除螺纹残扣的方法
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
US8929840B2 (en) * 2007-09-14 2015-01-06 Qualcomm Incorporated Local oscillator buffer and mixer having adjustable size
US8599938B2 (en) * 2007-09-14 2013-12-03 Qualcomm Incorporated Linear and polar dual mode transmitter circuit
US8112047B2 (en) * 2008-01-30 2012-02-07 Broadcom Corporation Configurable RF transmitter
US8639205B2 (en) * 2008-03-20 2014-01-28 Qualcomm Incorporated Reduced power-consumption receivers
JP5233444B2 (ja) * 2008-06-30 2013-07-10 富士通株式会社 歪補償増幅器および前置歪補償増幅装置
JP5643785B2 (ja) * 2012-06-15 2014-12-17 株式会社東芝 デジタル放送送信装置およびエキサイタ
US10367535B2 (en) * 2017-12-15 2019-07-30 Motorola Solutions, Inc. Cartesian loop circuits, transmitters, devices, and related methods
US11381266B1 (en) * 2020-12-31 2022-07-05 Iridium Satellite Llc Wireless communication with interference mitigation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6041821A (ja) * 1983-08-18 1985-03-05 Nec Corp 送信出力電力制御装置
GB2220808A (en) * 1988-07-15 1990-01-17 Philips Electronic Associated Power amplifying arrangement
US5126686A (en) * 1989-08-15 1992-06-30 Astec International, Ltd. RF amplifier system having multiple selectable power output levels
FI85202C (fi) * 1990-03-09 1992-03-10 Nokia Mobile Phones Ltd Foerfarande foer foerbaettrande av precision i effektreglering i en radiotelefon.
US5066923A (en) * 1990-10-31 1991-11-19 Motorola, Inc. Linear transmitter training method and apparatus
US5170495A (en) * 1990-10-31 1992-12-08 Northern Telecom Limited Controlling clipping in a microwave power amplifier
JPH0541625A (ja) * 1991-08-05 1993-02-19 Nec Corp パワーコントロール回路
JP2826003B2 (ja) * 1991-11-29 1998-11-18 松下電器産業株式会社 送信出力制御回路

Also Published As

Publication number Publication date
EP0638994A1 (de) 1995-02-15
GB9316869D0 (en) 1993-09-29
JP3556973B2 (ja) 2004-08-25
JPH0794979A (ja) 1995-04-07
DE69414490T2 (de) 1999-06-02
US5469105A (en) 1995-11-21
EP0638994B1 (de) 1998-11-11

Similar Documents

Publication Publication Date Title
DE69414490D1 (de) Sender und zugehöriger Leistungsverstärker
DE69421971D1 (de) Empfänger und Empfängerverfahren
DE69534680D1 (de) Sender und/oder Empfänger
DE69630478D1 (de) Sender und Sendeempfänger
DE69630512D1 (de) Leistungsverstärker und kommunikationsvorrichtung
DE19983736T1 (de) Linearer HF-Leistungsverstärker und Sender
DE69425782D1 (de) Hyterosalpingographie und selektive Salpingographie
BR9402579A (pt) Selo de face e face de selo
DE69526144D1 (de) Leistungsverstärker
FI930632L (fi) Kytkentä lähetinvahvistimen tehon säätämiseksi
DE69529496D1 (de) Tragbares sende-und/oder empfangsgerät
NO941708L (no) Akustisk sender
DE69519839D1 (de) Sender mit Verzerrungskompensation von Leistungsverstärker
SG44853A1 (en) Power amplifier and a transmitter including the power amplifier
NL1006031A1 (nl) Lineaire vermogensversterkingsinrichting en -werkwijze.
FI944624A0 (fi) 4-aryyliaminobentsopyraani- ja niiden kaltaisia yhdisteitä
DE69332392D1 (de) Leistungsverstärker
DE69407794D1 (de) Akoustische sende- und empfangseinheit
NO940534D0 (no) Integrert strömforsynings- og signal transmisjonssystem
DE69407902D1 (de) Verstärkungsstufe und Oszillator
DE69534008D1 (de) Eine oszillator- und senderanordnung
GB2276052B (en) Transmission output amplifier
DE69306959D1 (de) Pneumatischer kraftverstärker
DE69527045D1 (de) Tetrahydrofurane und tetrahydropyrane
NO960636D0 (no) Kraft-forsterker

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SIMOCO INTERNATIONAL LTD., CAMBRIDGE, GB

8327 Change in the person/name/address of the patent owner

Owner name: SEPURA LTD., CAMBRIDGE, GB

8327 Change in the person/name/address of the patent owner

Owner name: SEPURA PLC, CAMBRIDGE, GB

8328 Change in the person/name/address of the agent

Representative=s name: KUDLEK & GRUNERT PATENTANWAELTE PARTNERSCHAFT, 803