CA2035455A1 - Emetteur lineaire - Google Patents

Emetteur lineaire

Info

Publication number
CA2035455A1
CA2035455A1 CA2035455A CA2035455A CA2035455A1 CA 2035455 A1 CA2035455 A1 CA 2035455A1 CA 2035455 A CA2035455 A CA 2035455A CA 2035455 A CA2035455 A CA 2035455A CA 2035455 A1 CA2035455 A1 CA 2035455A1
Authority
CA
Canada
Prior art keywords
envelope
controls
linear transmitter
radio frequency
bias voltage
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.)
Granted
Application number
CA2035455A
Other languages
English (en)
Other versions
CA2035455C (fr
Inventor
Kouji Chiba
Toshio Nojima
Yasushi Yamao
Shigeru Tomisato
Tadao Takami
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.)
NTT Docomo Inc
NTT Inc
Original Assignee
Individual
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
Priority claimed from JP1168723A external-priority patent/JPH0334709A/ja
Priority claimed from JP1242465A external-priority patent/JPH0654877B2/ja
Priority claimed from JP2018735A external-priority patent/JPH0656960B2/ja
Application filed by Individual filed Critical Individual
Publication of CA2035455A1 publication Critical patent/CA2035455A1/fr
Application granted granted Critical
Publication of CA2035455C publication Critical patent/CA2035455C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • 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
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • 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
    • 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
    • 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
    • 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
    • H04B2001/0441—Circuits with power amplifiers with linearisation using feed-forward

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
CA002035455A 1989-06-30 1990-06-28 Emetteur lineaire Expired - Fee Related CA2035455C (fr)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP1168723A JPH0334709A (ja) 1989-06-30 1989-06-30 線形送信装置
JP1-168723 1989-06-30
JP1-242465 1989-09-19
JP1242465A JPH0654877B2 (ja) 1989-09-19 1989-09-19 線形送信装置
JP1-254457 1989-09-29
JP25445789 1989-09-29
JP2018735A JPH0656960B2 (ja) 1990-01-29 1990-01-29 線形送信装置
JP2-18735 1990-01-29
JP2-33126 1990-02-13
JP3312690 1990-02-13

Publications (2)

Publication Number Publication Date
CA2035455A1 true CA2035455A1 (fr) 1990-12-31
CA2035455C CA2035455C (fr) 1995-08-22

Family

ID=27520071

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002035455A Expired - Fee Related CA2035455C (fr) 1989-06-30 1990-06-28 Emetteur lineaire

Country Status (5)

Country Link
US (1) US5251330A (fr)
EP (1) EP0431201B1 (fr)
CA (1) CA2035455C (fr)
DE (1) DE69024182T2 (fr)
WO (1) WO1991000653A1 (fr)

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DE4206352A1 (de) * 1992-02-29 1993-09-02 Deutsche Aerospace Verfahren zum linearen verstaerken eines nutzsignals und verstaerker zum durchfuehren des verfahrens
DE4429535C2 (de) * 1994-08-19 1997-12-18 Rohde & Schwarz Senderendstufe, insbesondere für Einseitenbandsignale
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US5579341A (en) * 1994-12-29 1996-11-26 Motorola, Inc. Multi-channel digital transceiver and method
JP3708232B2 (ja) * 1995-10-30 2005-10-19 富士通株式会社 歪補償回路を有する送信装置
US5974041A (en) * 1995-12-27 1999-10-26 Qualcomm Incorporated Efficient parallel-stage power amplifier
US5872481A (en) * 1995-12-27 1999-02-16 Qualcomm Incorporated Efficient parallel-stage power amplifier
US6069525A (en) * 1997-04-17 2000-05-30 Qualcomm Incorporated Dual-mode amplifier with high efficiency and high linearity
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US5990735A (en) * 1997-07-02 1999-11-23 Motorola, Inc. Method and apparatus for high efficiency power amplification
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US5831475A (en) * 1997-08-04 1998-11-03 Motorola, Inc. Method and apparatus for delay matching in a power amplifier
US6091934A (en) * 1997-09-02 2000-07-18 Hughes Electronics Corporation Dynamic power allocation system and method for multi-beam satellite amplifiers
US6084468A (en) 1997-10-06 2000-07-04 Motorola, Inc. Method and apparatus for high efficiency wideband power amplification
US6028486A (en) * 1997-10-07 2000-02-22 Telefonaktiebolaget Lm Ericsson Method and apparatus for reducing power dissipation in multi-carrier amplifiers
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US6130910A (en) * 1997-11-03 2000-10-10 Motorola, Inc. Method and apparatus for high efficiency wideband power amplification
US5929702A (en) * 1997-11-28 1999-07-27 Motorola, Inc. Method and apparatus for high efficiency high dynamic range power amplification
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IT1297358B1 (it) * 1997-12-24 1999-09-01 Cit Alcatel Circuito di amplificazione lineare di potenza ad alto rendimento per segnali con elevato rapporto tra potenza di picco e potenza media.
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EP1017162A3 (fr) * 1998-12-30 2003-07-16 Texas Instruments Incorporated Circuit amplificateur à boucle de contre-réaction négative pour réduire la distortion
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US6377784B2 (en) 1999-02-09 2002-04-23 Tropian, Inc. High-efficiency modulation RF amplifier
CA2366666A1 (fr) 1999-03-24 2000-09-28 Societe Des Produits Nestle S.A. Barres de cereales avec contenu a haute teneur en calcium, en proteine et en lait
WO2000056174A1 (fr) 1999-03-24 2000-09-28 Societe Des Produits Nestle S.A. Casse-croute
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US6160449A (en) * 1999-07-22 2000-12-12 Motorola, Inc. Power amplifying circuit with load adjust for control of adjacent and alternate channel power
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US6349216B1 (en) 1999-07-22 2002-02-19 Motorola, Inc. Load envelope following amplifier system
US6438360B1 (en) 1999-07-22 2002-08-20 Motorola, Inc. Amplifier system with load control to produce an amplitude envelope
US6252455B1 (en) 1999-10-07 2001-06-26 Motorola, Inc. Method and apparatus for efficient signal amplification
US6366177B1 (en) 2000-02-02 2002-04-02 Tropian Inc. High-efficiency power modulators
WO2001065722A2 (fr) * 2000-03-03 2001-09-07 Siemens Aktiengesellschaft Procede et circuit d'emission destines a produire un signal d'emission
US6600344B1 (en) 2000-06-26 2003-07-29 Motorola, Inc. Predistortion circuit for RF detector
CN1379928A (zh) * 2000-08-21 2002-11-13 三菱电机株式会社 π/2移相器
US6975686B1 (en) 2000-10-31 2005-12-13 Telefonaktiebolaget L.M. Ericsson IQ modulation systems and methods that use separate phase and amplitude signal paths
US6839549B2 (en) 2000-12-14 2005-01-04 Ericsson Inc. System and method of RF power amplification
US6528975B2 (en) * 2000-12-15 2003-03-04 Tropian Inc. Saturation prevention and amplifier distortion reduction
GB2370435A (en) * 2000-12-22 2002-06-26 Nokia Mobile Phones Ltd A polar loop transmitter for a mobile phone
US6380802B1 (en) * 2000-12-29 2002-04-30 Ericsson Inc. Transmitter using input modulation for envelope restoration scheme for linear high-efficiency power amplification
US6760604B2 (en) 2001-01-29 2004-07-06 Motorola, Inc. Portable radio transceiver having shared power source for audio and RF amplifiers
GB0104535D0 (en) * 2001-02-23 2001-04-11 Univ Bristol Digital cartesian loop
TW503345B (en) * 2001-03-26 2002-09-21 Mediatec Inc Power controller
DE10127571A1 (de) * 2001-05-30 2002-12-05 Deutsche Telekom Ag Verfahren und Anordnung für digitale Übertragung mit AM-Sendern
US6701138B2 (en) * 2001-06-11 2004-03-02 Rf Micro Devices, Inc. Power amplifier control
US7068984B2 (en) 2001-06-15 2006-06-27 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for amplification of a communication signal
DE10150937A1 (de) * 2001-10-04 2003-04-10 Deutsche Telekom Ag Verfahren zur Reduzierung der Randaussendungen von AM-Sendern im Digitalbetrieb
US7058369B1 (en) 2001-11-21 2006-06-06 Pmc-Sierra Inc. Constant gain digital predistortion controller for linearization of non-linear amplifiers
US7095796B1 (en) * 2002-01-07 2006-08-22 Vixs, Inc. Low power radio transmitter using pulse transmissions
US6724252B2 (en) * 2002-02-21 2004-04-20 Rf Micro Devices, Inc. Switched gain amplifier circuit
US6646501B1 (en) * 2002-06-25 2003-11-11 Nortel Networks Limited Power amplifier configuration
DE10230919B4 (de) 2002-07-09 2018-08-02 Rohde & Schwarz Gmbh & Co. Kg Hochfrequenzsender und Verfahren zum wirkungsgradoptimierten Betreiben des Hochfrequenzsenders
EP1396932B1 (fr) * 2002-09-05 2006-11-29 Hitachi, Ltd. Appareil de communication sans fils
JP3979237B2 (ja) * 2002-09-05 2007-09-19 株式会社日立製作所 無線通信装置及びそれに使用する高周波集積回路
US7010284B2 (en) * 2002-11-06 2006-03-07 Triquint Semiconductor, Inc. Wireless communications device including power detector circuit coupled to sample signal at interior node of amplifier
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US7193470B2 (en) * 2003-03-04 2007-03-20 Samsung Electronics Co., Ltd. Method and apparatus for controlling a power amplifier in a mobile communication system
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US7054597B2 (en) * 2003-06-25 2006-05-30 Nokia Corporation Power control for a transmitter
WO2005027342A1 (fr) * 2003-09-15 2005-03-24 Nortel Networks Limited Amplificateur de puissance avec linearite et rendement ameliores
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JP4514485B2 (ja) * 2004-03-19 2010-07-28 パナソニック株式会社 高周波電力増幅器
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US7706467B2 (en) * 2004-12-17 2010-04-27 Andrew Llc Transmitter with an envelope tracking power amplifier utilizing digital predistortion of the signal envelope
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WO2011086752A1 (fr) 2010-01-14 2011-07-21 住友電気工業株式会社 Dispositif amplificateur et dispositif de traitement du signal
JP5776794B2 (ja) 2011-12-19 2015-09-09 富士通株式会社 増幅回路
WO2013134025A1 (fr) 2012-03-04 2013-09-12 Quantance, Inc. Système de poursuite d'enveloppe à bruit optimisé pour amplificateurs de puissance
WO2013186863A1 (fr) 2012-06-12 2013-12-19 富士通株式会社 Circuit d'amplification
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US11128261B2 (en) 2012-12-28 2021-09-21 Psemi Corporation Constant Vds1 bias control for stacked transistor configuration
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CN106026939B (zh) * 2016-07-13 2018-12-04 深圳市蓝狮微电子有限公司 一种提高射频功率放大器线性度的装置
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JPS61163730A (ja) * 1985-01-14 1986-07-24 Nec Corp 送信機
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JPH0656960B2 (ja) * 1990-01-29 1994-07-27 日本電信電話株式会社 線形送信装置

Also Published As

Publication number Publication date
US5251330A (en) 1993-10-05
EP0431201A1 (fr) 1991-06-12
EP0431201A4 (en) 1992-03-18
DE69024182T2 (de) 1996-10-31
DE69024182D1 (de) 1996-01-25
EP0431201B1 (fr) 1995-12-13
WO1991000653A1 (fr) 1991-01-10
CA2035455C (fr) 1995-08-22

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