ATE143197T1 - Schaltung zur verringerung der verzerrungen eines hochfrequenzleistungsverstärkers - Google Patents

Schaltung zur verringerung der verzerrungen eines hochfrequenzleistungsverstärkers

Info

Publication number
ATE143197T1
ATE143197T1 AT91300899T AT91300899T ATE143197T1 AT E143197 T1 ATE143197 T1 AT E143197T1 AT 91300899 T AT91300899 T AT 91300899T AT 91300899 T AT91300899 T AT 91300899T AT E143197 T1 ATE143197 T1 AT E143197T1
Authority
AT
Austria
Prior art keywords
envelope
phase
high frequency
input
detected
Prior art date
Application number
AT91300899T
Other languages
English (en)
Inventor
Melvyn Mcgann
Original Assignee
Marconi Gec Ltd
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 Marconi Gec Ltd filed Critical Marconi Gec Ltd
Application granted granted Critical
Publication of ATE143197T1 publication Critical patent/ATE143197T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/02—Details
    • H03C1/06—Modifications of modulator to reduce distortion, 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • H03F1/3288—Acting on the phase and the amplitude of the input signal to compensate phase shift as a function of the amplitude
    • 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
    • H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
    • 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)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
AT91300899T 1990-02-08 1991-02-04 Schaltung zur verringerung der verzerrungen eines hochfrequenzleistungsverstärkers ATE143197T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909002788A GB9002788D0 (en) 1990-02-08 1990-02-08 Circuit for reducing distortion produced by an r.f.power amplifier

Publications (1)

Publication Number Publication Date
ATE143197T1 true ATE143197T1 (de) 1996-10-15

Family

ID=10670606

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91300899T ATE143197T1 (de) 1990-02-08 1991-02-04 Schaltung zur verringerung der verzerrungen eines hochfrequenzleistungsverstärkers

Country Status (6)

Country Link
US (1) US5124665A (de)
EP (1) EP0441580B1 (de)
JP (1) JPH06209218A (de)
AT (1) ATE143197T1 (de)
DE (1) DE69122139T2 (de)
GB (2) GB9002788D0 (de)

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JP2834304B2 (ja) * 1990-10-19 1998-12-09 松下電器産業株式会社 線形電力増幅回路
JP2723702B2 (ja) * 1991-07-31 1998-03-09 日本電気株式会社 線形補償回路
JPH06196939A (ja) * 1992-12-25 1994-07-15 Sony Corp 高周波パワーアンプの歪み補償回路
US5551070A (en) * 1993-01-28 1996-08-27 Telefonaktiebolaget Lm Ericsson Cartesian multicarrier feedback
US5365187A (en) * 1993-10-29 1994-11-15 Hewlett-Packard Company Power amplifier utilizing the vector addition of two constant envelope carriers
US5424685A (en) * 1994-02-10 1995-06-13 Rockwell International Corporation High-level modulator with bipolar modulation reference
US5430416A (en) * 1994-02-23 1995-07-04 Motorola Power amplifier having nested amplitude modulation controller and phase modulation controller
KR970007602B1 (ko) * 1994-05-31 1997-05-13 삼성전자 주식회사 전송기의 출력전력을 제어 및 측정하기 위한 장치 및 그에 따른 방법
DE4435330A1 (de) * 1994-10-01 1996-04-04 Kolbe & Co Hans Regelungsschaltung für HF-Sender
US6480702B1 (en) * 1996-08-01 2002-11-12 Transcept, Inc. Apparatus and method for distributing wireless communications signals to remote cellular antennas
US5886572A (en) * 1997-07-25 1999-03-23 Motorola, Inc. Method and apparatus for reducing distortion in a power amplifier
US6215986B1 (en) 1997-09-26 2001-04-10 Nortel Networks Corporation Reducing radio transmitter distortion
US6133789A (en) * 1997-12-10 2000-10-17 Nortel Networks Corporation Method and system for robustly linearizing a radio frequency power amplifier using vector feedback
US6232835B1 (en) 1998-02-13 2001-05-15 Nortel Networks Limited System and method of linearizing the gain error of a power amplifier
CN1249913C (zh) * 1999-05-28 2006-04-05 富士通株式会社 预失真类型的失真补偿放大设备
US6285255B1 (en) * 1999-11-02 2001-09-04 Harris Corporation Adaptive compensation for carrier signal phase distortion
GB2356756B (en) 1999-11-25 2004-08-11 Ericsson Telefon Ab L M Power amplifiers
FI107968B (fi) * 2000-03-13 2001-10-31 Nokia Networks Oy Menetelmä ja järjestely vahvistuksen säätämiseksi
JP2001313532A (ja) * 2000-05-01 2001-11-09 Sony Corp 歪み補償装置
JP2002009556A (ja) * 2000-06-16 2002-01-11 Sony Corp 歪補償装置及び歪補償方法
GB2369941A (en) * 2000-12-09 2002-06-12 Roke Manor Research A polar loop amplifier arrangement with variable gain in a feedback loop
US6892057B2 (en) * 2002-08-08 2005-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reducing dynamic range of a power amplifier
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US20130078934A1 (en) 2011-04-08 2013-03-28 Gregory Rawlins Systems and Methods of RF Power Transmission, Modulation, and Amplification
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US7642850B2 (en) * 2008-04-02 2010-01-05 Harris Corporation Feedforward linearization of RF power amplifiers
WO2009145887A1 (en) 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
EP2715867A4 (de) 2011-06-02 2014-12-17 Parkervision Inc Antennensteuerung
WO2015042142A1 (en) 2013-09-17 2015-03-26 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time

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GB1246209A (en) * 1969-05-21 1971-09-15 Marconi Co Ltd Improvements in or relating to high frequency power amplifying arrangements
US3900823A (en) * 1973-03-28 1975-08-19 Nathan O Sokal Amplifying and processing apparatus for modulated carrier signals
JPS587943A (ja) * 1981-07-07 1983-01-17 Sony Corp Ａｍステレオ方式
FR2553947B1 (fr) * 1983-10-21 1985-12-13 Lgt Lab Gen Telecomm Dispositif de precorrection automatique des non-linearites dans une chaine d'amplification de puissance et emetteur de television comportant un tel dispositif
US4591800A (en) * 1984-10-01 1986-05-27 Motorola, Inc. Linear power amplifier feedback improvement
DE3563405D1 (en) * 1985-11-19 1988-07-21 Herfurth Gmbh High-frequency amplifier
JP2536484B2 (ja) * 1986-07-19 1996-09-18 ソニー株式会社 ゲインコントロ−ルアンプ
GB9002787D0 (en) * 1990-02-08 1990-04-04 Marconi Co Ltd Clamping circuit
GB9002786D0 (en) * 1990-02-08 1990-04-04 Marconi Co Ltd Phase shifting circuit
GB9002789D0 (en) * 1990-02-08 1990-04-04 Marconi Co Ltd Circuit for reducing distortion produced by an r.f.power amplifier

Also Published As

Publication number Publication date
JPH06209218A (ja) 1994-07-26
GB9002788D0 (en) 1990-04-04
US5124665A (en) 1992-06-23
EP0441580A2 (de) 1991-08-14
GB2240892B (en) 1994-06-29
EP0441580B1 (de) 1996-09-18
EP0441580A3 (en) 1993-06-02
GB2240892A (en) 1991-08-14
GB9026598D0 (en) 1991-01-23
DE69122139T2 (de) 1997-02-06
DE69122139D1 (de) 1996-10-24

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