ATE298470T1 - Linearisierungsschaltung und verfahren, insbesondere für mikrowellenfunksysteme - Google Patents

Linearisierungsschaltung und verfahren, insbesondere für mikrowellenfunksysteme

Info

Publication number
ATE298470T1
ATE298470T1 AT00440039T AT00440039T ATE298470T1 AT E298470 T1 ATE298470 T1 AT E298470T1 AT 00440039 T AT00440039 T AT 00440039T AT 00440039 T AT00440039 T AT 00440039T AT E298470 T1 ATE298470 T1 AT E298470T1
Authority
AT
Austria
Prior art keywords
circuit
radio systems
microwave radio
linearization circuit
signal
Prior art date
Application number
AT00440039T
Other languages
English (en)
Inventor
Mario Giovanni Lui Frecassetti
Marco Frigerio
Salvatore Gugliuzzo
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of ATE298470T1 publication Critical patent/ATE298470T1/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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
AT00440039T 1999-02-12 2000-02-09 Linearisierungsschaltung und verfahren, insbesondere für mikrowellenfunksysteme ATE298470T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999MI000274A IT1308604B1 (it) 1999-02-12 1999-02-12 Circuito linearizzatore della risposta,particolarmente per sistemi aradiofrequenza micronde e metodo per linearizzare l'uscita di un

Publications (1)

Publication Number Publication Date
ATE298470T1 true ATE298470T1 (de) 2005-07-15

Family

ID=11381858

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00440039T ATE298470T1 (de) 1999-02-12 2000-02-09 Linearisierungsschaltung und verfahren, insbesondere für mikrowellenfunksysteme

Country Status (5)

Country Link
US (1) US6316994B1 (de)
EP (1) EP1028523B1 (de)
AT (1) ATE298470T1 (de)
DE (1) DE60020896T2 (de)
IT (1) IT1308604B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6483391B1 (en) 2001-03-30 2002-11-19 Conexant Systems, Inc. System for controlling the amplitude of an oscillator
US6784731B2 (en) * 2002-05-08 2004-08-31 Lucent Technologies Inc. System and method for reducing amplifier distortion using distortion feedback
US7583754B2 (en) * 2002-10-31 2009-09-01 Zte Corporation Method and system for broadband predistortion linearization

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656831A (en) 1971-01-14 1972-04-18 Bell Telephone Labor Inc Feedback amplifier
US3676790A (en) * 1971-06-03 1972-07-11 Bell Telephone Labor Inc Differential feedback amplifier
US4276514A (en) * 1979-07-09 1981-06-30 Trw Inc. Wideband, phase compensated amplifier with negative feedback of distortion components in the output signal
DE69328081T2 (de) * 1993-04-08 2000-11-09 Lecroy S.A., Meyrin Präzisionsverstärker mit sehr hoher Geschwindigkeit
KR0129844B1 (ko) * 1994-12-21 1998-10-01 양승택 아날로그 및 디지털 휴대용 전화기 겸용 전력증폭기
US5742201A (en) 1996-01-30 1998-04-21 Spectrian Polar envelope correction mechanism for enhancing linearity of RF/microwave power amplifier
US5745006A (en) 1996-11-12 1998-04-28 Motorola, Inc. Method of compensating for distortion in an amplifier

Also Published As

Publication number Publication date
DE60020896T2 (de) 2006-06-22
EP1028523A1 (de) 2000-08-16
EP1028523B1 (de) 2005-06-22
IT1308604B1 (it) 2002-01-08
US6316994B1 (en) 2001-11-13
DE60020896D1 (de) 2005-07-28
ITMI990274A1 (it) 2000-08-12

Similar Documents

Publication Publication Date Title
EP1191683A3 (de) Hochfrequenz-Leistungsverstärkerbaustein und drahtloses Kommunikationsgerät
ATE276602T1 (de) Digitale vorverzerrungsverfahren für breitbandverstärker
DE60102570D1 (de) Verfahren zur zwischenverstärkung von isofrequenzsignalen und isofrequenzsignal-zwischenverstärker
DE60332332D1 (de) Verfahren und vorrichtung mit basisbandtransformation zur verbesserung von senderleistung
EP1298795A3 (de) Verstärker mit variabler Verstärkung
EP1162732A3 (de) Lineare Verstärkeranordnung
DE60234207D1 (de) Verfahren und system zur verringerung der aktualisierungs-häufigkeit
CA2488472A1 (en) Digital memory-based predistortion technique
JP2001189630A5 (de)
EP1345319A3 (de) Verfahren und System zur Verminderung von Nichtlinearitäten
DE60235127D1 (de) Verfahren und system für breitband-vorverzerrungslinearisierung
FR2915642B1 (fr) Linearisation dans une chaine d'emission
TW200504488A (en) Apparatus and method for amplifying analog signal and analog preprocessing circuits and image pick-up circuits
ATE287142T1 (de) Amplitudenbegrenzung
EP0838914A3 (de) Schaltungsanordnung zur Verstärkung eines elektrischen Signals aus einem optischen Signal umgewandelt
AU1519201A (en) Linearisation of an amplifier
EP1530287A1 (de) Leistungsverstärkerschaltung
DE50301591D1 (de) Vorrichtung und Verfahren zur Feedbackreduktion bei Hörsystemen
DE60020896D1 (de) Linearisierungsschaltung und Verfahren, insbesondere für Mikrowellenfunksysteme
ATE521197T1 (de) Vorrichtung und verfahren zur rückkopplungskompensation in einem akustischen verstärkungssystem, insbesondere in einem hörgerät
JP2003133434A5 (de)
WO2002097938A3 (en) Electronic isolator
WO2002031970A3 (en) Method and apparatus for reducing distortion
EP1783896A3 (de) Anordnung zur Optimierung der Gate-Vorspannung eines HF-Verstärkers und Verfahren dazu
WO2002056463A3 (en) System and method for linearizing vacuum electronic amplification

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties