IT1312224B1 - Circuito pre/post-distorcitore particolarmente per sistemi aradiofrequenza microonde. - Google Patents

Circuito pre/post-distorcitore particolarmente per sistemi aradiofrequenza microonde.

Info

Publication number
IT1312224B1
IT1312224B1 IT1999MI000581A ITMI990581A IT1312224B1 IT 1312224 B1 IT1312224 B1 IT 1312224B1 IT 1999MI000581 A IT1999MI000581 A IT 1999MI000581A IT MI990581 A ITMI990581 A IT MI990581A IT 1312224 B1 IT1312224 B1 IT 1312224B1
Authority
IT
Italy
Prior art keywords
distortor
post
circuit
radio systems
microwave radio
Prior art date
Application number
IT1999MI000581A
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 IT1999MI000581A priority Critical patent/IT1312224B1/it
Priority to US09/527,439 priority patent/US6335660B1/en
Priority to EP00440077A priority patent/EP1039631A1/en
Publication of ITMI990581A1 publication Critical patent/ITMI990581A1/it
Application granted granted Critical
Publication of IT1312224B1 publication Critical patent/IT1312224B1/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • 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
    • 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
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Noise Elimination (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
IT1999MI000581A 1999-03-23 1999-03-23 Circuito pre/post-distorcitore particolarmente per sistemi aradiofrequenza microonde. IT1312224B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT1999MI000581A IT1312224B1 (it) 1999-03-23 1999-03-23 Circuito pre/post-distorcitore particolarmente per sistemi aradiofrequenza microonde.
US09/527,439 US6335660B1 (en) 1999-03-23 2000-03-17 Pre/post-distortion circuit and method, particularly for microwave radio-frequency systems
EP00440077A EP1039631A1 (en) 1999-03-23 2000-03-17 Pre/post-distortion circuit and method, particularly for microwave radio-frequency systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999MI000581A IT1312224B1 (it) 1999-03-23 1999-03-23 Circuito pre/post-distorcitore particolarmente per sistemi aradiofrequenza microonde.

Publications (2)

Publication Number Publication Date
ITMI990581A1 ITMI990581A1 (it) 2000-09-23
IT1312224B1 true IT1312224B1 (it) 2002-04-09

Family

ID=11382388

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999MI000581A IT1312224B1 (it) 1999-03-23 1999-03-23 Circuito pre/post-distorcitore particolarmente per sistemi aradiofrequenza microonde.

Country Status (3)

Country Link
US (1) US6335660B1 (it)
EP (1) EP1039631A1 (it)
IT (1) IT1312224B1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6662018B1 (en) * 2000-06-28 2003-12-09 Northrop Grumman Corporation Analog power control system for a multi-carrier transmitter
TWI287984B (en) * 2000-10-17 2007-10-11 Wyeth Corp Pharmaceutical composition for modulating bladder function
US6788140B2 (en) * 2002-02-13 2004-09-07 Texas Instruments Incorporated Ultra-low distortion, wide-bandwidth amplifier architecture using actively phase-matched feed-forward linearization
US7062234B2 (en) * 2003-07-28 2006-06-13 Andrew Corporation Pre-distortion cross-cancellation for linearizing power amplifiers
US7885355B2 (en) * 2007-10-15 2011-02-08 Cobham Defense Electronic Corp Multi-dynamic multi-envelope receiver
JP2018014543A (ja) * 2014-11-28 2018-01-25 ソニー株式会社 増幅器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2312152A1 (fr) 1975-05-23 1976-12-17 Lgt Lab Gen Telecomm Generateur de produits de non linearite et precorrecteur de systeme de transmission utilisant un tel generateur
FR2482799A1 (fr) 1980-05-14 1981-11-20 Lgt Lab Gen Telecomm Dispositif de precorrection de produits de non linearite et systeme de transmission de signaux de television comportant de tel dispositif
US5015965A (en) * 1989-11-22 1991-05-14 General Electric Company Predistortion equalizer with resistive combiners and dividers
JPH07101820B2 (ja) 1989-12-27 1995-11-01 三菱電機株式会社 低歪高周波増幅装置
JPH0440703A (ja) * 1990-06-07 1992-02-12 Fujitsu Ltd 自動歪補償装置
EP0524758B1 (en) * 1991-07-23 1998-10-28 AT&T Corp. Distortion compensation for analog optical systems
EP0594344B1 (en) * 1992-10-21 1998-12-23 AT&T Corp. Cascaded distortion compensation for analog optical systems
FR2719954B1 (fr) * 1994-05-11 1996-06-21 Alcatel Espace Linéarisateur à prédistorsion large bande et auto compensé en température pour amplificateur hyperfréquence.
US5815038A (en) 1995-04-28 1998-09-29 Mitsubishi Denki Kabushiki Kaisha Distortion compensation circuit
US5606286A (en) 1995-07-27 1997-02-25 Bains; Devendar S. Predistortion linearization
US6054894A (en) * 1998-06-19 2000-04-25 Datum Telegraphic Inc. Digital control of a linc linear power amplifier

Also Published As

Publication number Publication date
EP1039631A1 (en) 2000-09-27
ITMI990581A1 (it) 2000-09-23
US6335660B1 (en) 2002-01-01

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