ATE348445T1 - Linearisierungsverfahren und verstärkeranordnung - Google Patents

Linearisierungsverfahren und verstärkeranordnung

Info

Publication number
ATE348445T1
ATE348445T1 AT01980580T AT01980580T ATE348445T1 AT E348445 T1 ATE348445 T1 AT E348445T1 AT 01980580 T AT01980580 T AT 01980580T AT 01980580 T AT01980580 T AT 01980580T AT E348445 T1 ATE348445 T1 AT E348445T1
Authority
AT
Austria
Prior art keywords
amplifier arrangement
amplifier
signal
output signal
linearization method
Prior art date
Application number
AT01980580T
Other languages
English (en)
Inventor
Riku Ikonen
Lasse Alestalo
Original Assignee
Elektrobit 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 Elektrobit Oy filed Critical Elektrobit Oy
Application granted granted Critical
Publication of ATE348445T1 publication Critical patent/ATE348445T1/de

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
    • 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
    • H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
    • H03F1/0266—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 polarisation voltage or current, e.g. gliding Class A by using a signal derived from the input signal
    • 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
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/462—Indexing scheme relating to amplifiers the current being sensed
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/99—A diode as rectifier being used as a detecting circuit in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
AT01980580T 2000-10-31 2001-10-30 Linearisierungsverfahren und verstärkeranordnung ATE348445T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20002396A FI114666B (fi) 2000-10-31 2000-10-31 Linearisointimenetelmä ja vahvistinjärjestely

Publications (1)

Publication Number Publication Date
ATE348445T1 true ATE348445T1 (de) 2007-01-15

Family

ID=8559409

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01980580T ATE348445T1 (de) 2000-10-31 2001-10-30 Linearisierungsverfahren und verstärkeranordnung

Country Status (7)

Country Link
US (1) US6970041B2 (de)
EP (1) EP1340314B1 (de)
AT (1) ATE348445T1 (de)
AU (1) AU2002212394A1 (de)
DE (1) DE60125230T2 (de)
FI (1) FI114666B (de)
WO (1) WO2002037670A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6684064B2 (en) * 2000-03-29 2004-01-27 Interdigital Technology Corp. Dynamic bias for RF power amplifiers
US6791418B2 (en) * 2002-10-02 2004-09-14 Koninklijke Philips Electronics N.V. Capacitor coupled dynamic bias boosting circuit for a power amplifier
JP2006510291A (ja) 2002-12-16 2006-03-23 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 線形電力増幅器において零入力電流の動的制御を可能にするスライディング・バイアス回路
KR20050104652A (ko) * 2004-04-29 2005-11-03 삼성에스디아이 주식회사 전자 방출 표시 장치 및 그 구동 방법
EP2359572B1 (de) 2008-12-10 2017-06-28 Telefonaktiebolaget LM Ericsson (publ) Tokenbasierte korrelation von steuerungsitzungen zur richtlinien- und gebührensteuerung einer datenverbindung durch ein nat
US8391806B2 (en) 2011-01-04 2013-03-05 Research In Motion Limited Wireless communications device with an adjustable impedance matching network and associated methods
CN105763164A (zh) * 2014-12-16 2016-07-13 沈阳中科微电子有限公司 一种射频功率放大器电路

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462004A (en) * 1982-03-18 1984-07-24 At&T Bell Laboratories Dynamic class-4 FET amplifier
US4591800A (en) * 1984-10-01 1986-05-27 Motorola, Inc. Linear power amplifier feedback improvement
GB8828635D0 (en) * 1988-12-08 1989-01-11 Hewlett Packard Co Rf amplifier bias circuit
JPH03198512A (ja) * 1989-12-27 1991-08-29 Mitsubishi Electric Corp 高周波増幅器
US5420536A (en) * 1993-03-16 1995-05-30 Victoria University Of Technology Linearized power amplifier
FR2708399B1 (fr) * 1993-06-30 1995-08-25 Alcatel Telspace Système de commande de la polarisation d'un amplificateur.
US5426641A (en) * 1994-01-28 1995-06-20 Bell Communications Research, Inc. Adaptive class AB amplifier for TDMA wireless communications systems
US5712593A (en) * 1996-02-05 1998-01-27 Motorola, Inc. Linear power amplifier with distortion detection
US5936464A (en) * 1997-11-03 1999-08-10 Motorola, Inc. Method and apparatus for reducing distortion in a high efficiency power amplifier
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.
GB2345212B (en) 1997-12-31 2000-11-29 Motorola Inc Device having a tracking power converter for providing a linear power amplifier
US6008698A (en) * 1998-05-18 1999-12-28 Omnipoint Corporation Amplifier with dynamically adaptable supply current
US6107880A (en) * 1998-08-06 2000-08-22 Motorola, Inc. Method and apparatus for increasing the linearity of the phase and gain of a power amplifier circuit
US6043707A (en) * 1999-01-07 2000-03-28 Motorola, Inc. Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier

Also Published As

Publication number Publication date
US20040012443A1 (en) 2004-01-22
DE60125230D1 (de) 2007-01-25
DE60125230T2 (de) 2007-04-26
FI20002396L (fi) 2002-05-01
FI20002396A0 (fi) 2000-10-31
FI114666B (fi) 2004-11-30
US6970041B2 (en) 2005-11-29
AU2002212394A1 (en) 2002-05-15
EP1340314B1 (de) 2006-12-13
EP1340314A1 (de) 2003-09-03
WO2002037670A1 (en) 2002-05-10

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Legal Events

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