IT1308604B1 - Circuito linearizzatore della risposta,particolarmente per sistemi aradiofrequenza micronde e metodo per linearizzare l'uscita di un - Google Patents

Circuito linearizzatore della risposta,particolarmente per sistemi aradiofrequenza micronde e metodo per linearizzare l'uscita di un

Info

Publication number
IT1308604B1
IT1308604B1 IT1999MI000274A ITMI990274A IT1308604B1 IT 1308604 B1 IT1308604 B1 IT 1308604B1 IT 1999MI000274 A IT1999MI000274 A IT 1999MI000274A IT MI990274 A ITMI990274 A IT MI990274A IT 1308604 B1 IT1308604 B1 IT 1308604B1
Authority
IT
Italy
Prior art keywords
output
linearizing
radio systems
circuit
microwave radio
Prior art date
Application number
IT1999MI000274A
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
Priority to IT1999MI000274A priority Critical patent/IT1308604B1/it
Priority to US09/493,114 priority patent/US6316994B1/en
Priority to EP00440039A priority patent/EP1028523B1/en
Priority to DE60020896T priority patent/DE60020896T2/de
Priority to AT00440039T priority patent/ATE298470T1/de
Publication of ITMI990274A1 publication Critical patent/ITMI990274A1/it
Application granted granted Critical
Publication of IT1308604B1 publication Critical patent/IT1308604B1/it

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications 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)
IT1999MI000274A 1999-02-12 1999-02-12 Circuito linearizzatore della risposta,particolarmente per sistemi aradiofrequenza micronde e metodo per linearizzare l'uscita di un IT1308604B1 (it)

Priority Applications (5)

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
US09/493,114 US6316994B1 (en) 1999-02-12 2000-01-28 Response linearizing circuit, particularly for microwave radiofrequency systems, and method of linearizing the output of an apparatus
EP00440039A EP1028523B1 (en) 1999-02-12 2000-02-09 Linearising circuit and method, particularly for microwave radiofrequency systems
DE60020896T DE60020896T2 (de) 1999-02-12 2000-02-09 Linearisierungsschaltung und Verfahren, insbesondere für Mikrowellenfunksysteme
AT00440039T ATE298470T1 (de) 1999-02-12 2000-02-09 Linearisierungsschaltung und verfahren, insbesondere für mikrowellenfunksysteme

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 (2)

Publication Number Publication Date
ITMI990274A1 ITMI990274A1 (it) 2000-08-12
IT1308604B1 true IT1308604B1 (it) 2002-01-08

Family

ID=11381858

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (5)

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

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
JP4091047B2 (ja) * 2002-10-31 2008-05-28 深▲川▼市中▲興▼通▲訊▼股▲分▼有限公司 広帯域プリディストーション線形化の方法およびシステム

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
US6316994B1 (en) 2001-11-13
ATE298470T1 (de) 2005-07-15
DE60020896D1 (de) 2005-07-28
EP1028523B1 (en) 2005-06-22
EP1028523A1 (en) 2000-08-16
DE60020896T2 (de) 2006-06-22
ITMI990274A1 (it) 2000-08-12

Similar Documents

Publication Publication Date Title
EP0860955A3 (en) Linearization enhanced operation of single-stage and dual stage elecro-optic modulators
EP1061642A3 (en) Adaptive digital pre-correction of nonlinearities introduced by power amplifiers
EP0848495A3 (en) Signal amplifier circuit
WO2003007023A3 (en) Control architecture and method for optical amplifiers
EP1191683A3 (en) High frequency power amplifier module and wireless communication apparatus
TWI256189B (en) Switching amplifier having digital correction and method therefor
EP1162732A3 (en) A linear amplifier arrangement
EP0675605A3 (en) Dual mode transmission system
EP1715578A3 (en) Predistorsion control for power reduction
EP0982852A3 (en) Power amplifier having monitoring and circuit protection
MXPA01000420A (es) Metodo y aparato para la amplificacion de senales dependiente de la modulacion.
BR0003788B1 (pt) circuito de amplificaÇço de potÊncia e mÉtodo de amplificaÇço de um sinal de freqÜÊncia de rÁdio.
EP0913934A3 (en) Receiving Apparatus
CA2286531A1 (en) Feedforward amplification system having mask detection compensation
JP2006340166A (ja) 歪補償増幅器
EP1345319A3 (en) Method and system for reducing non-linearities
TW350171B (en) Amplification circuit and the apparatus
CA2286544A1 (en) Amplification system having mask detection and bias compensation
CA2214124A1 (en) Out-of-band compensation for non-linear device
CA2293241A1 (en) Adaptive biasing in a power amplifier
EP1067696A3 (en) Distortion compensation method and wireless communication apparatus
WO2004051844A3 (en) Digital predistortion system for linearizing a power amplifier
WO2001052404A3 (en) System and method for linearizing vacuum electronic amplification
IT1308604B1 (it) Circuito linearizzatore della risposta,particolarmente per sistemi aradiofrequenza micronde e metodo per linearizzare l'uscita di un
DK1398993T3 (da) Apparat og fremgangsmåde til tilbagekoblingskompensation i et akustisk forstærkningssystem, især i et høreapparat