ZA857539B - Suppressed-fundamental frequency three-way predistorter - Google Patents

Suppressed-fundamental frequency three-way predistorter

Info

Publication number
ZA857539B
ZA857539B ZA857539A ZA857539A ZA857539B ZA 857539 B ZA857539 B ZA 857539B ZA 857539 A ZA857539 A ZA 857539A ZA 857539 A ZA857539 A ZA 857539A ZA 857539 B ZA857539 B ZA 857539B
Authority
ZA
South Africa
Prior art keywords
predistorter
suppressed
way
fundamental frequency
fundamental
Prior art date
Application number
ZA857539A
Other languages
English (en)
Inventor
Gabriele Merli
Termano Testi
Original Assignee
Gte Telecom Spa
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 Gte Telecom Spa filed Critical Gte Telecom Spa
Publication of ZA857539B publication Critical patent/ZA857539B/xx

Links

Classifications

    • 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
    • H04B1/62—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 for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • 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
    • H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
ZA857539A 1984-10-31 1985-09-30 Suppressed-fundamental frequency three-way predistorter ZA857539B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23409/84A IT1178599B (it) 1984-10-31 1984-10-31 Predistorcitore a tre vie a fondamentale soppressa

Publications (1)

Publication Number Publication Date
ZA857539B true ZA857539B (en) 1986-06-25

Family

ID=11206830

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA857539A ZA857539B (en) 1984-10-31 1985-09-30 Suppressed-fundamental frequency three-way predistorter

Country Status (7)

Country Link
US (1) US4698597A (xx)
EP (1) EP0181458A3 (xx)
JP (1) JPS61179608A (xx)
CN (1) CN85107828A (xx)
AU (1) AU585540B2 (xx)
IT (1) IT1178599B (xx)
ZA (1) ZA857539B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1280180C (en) * 1987-02-02 1991-02-12 Masatoshi Ishida Nonlinear signal generating circuit and nonlinear compensating deviceusing the same
IT1215370B (it) * 1987-02-26 1990-02-08 Gtg Ora Siemens Telecomunicazi Linearizzatore per amplificatore di potenza a microonde.
US4914398A (en) * 1988-08-01 1990-04-03 International Business Machines Corporation Method and circuitry to suppress additive disturbances in data channels containing MR sensors
US4857865A (en) * 1988-11-10 1989-08-15 Hughes Aircraft Company Self equalizing multi-stage radio frequency power amplifier
EP0391235A1 (de) * 1989-04-04 1990-10-10 Siemens Aktiengesellschaft Analoger Vorverzerrer
US5132639A (en) * 1989-09-07 1992-07-21 Ortel Corporation Predistorter for linearization of electronic and optical signals
US4992754B1 (en) * 1989-09-07 1997-10-28 Ortel Corp Predistorter for linearization of electronic and optical signals
JP2821198B2 (ja) * 1989-10-02 1998-11-05 キヤノン株式会社 周波数処理回路
US4987378A (en) * 1989-11-28 1991-01-22 General Electric Company Feedforward predistortion linearizer
JPH03296308A (ja) * 1990-04-13 1991-12-27 Advantest Corp 波形発生器
US5862457A (en) * 1995-12-21 1999-01-19 Lucent Technologies, Inc. Multichannel predistortion linearizer
DE19829211A1 (de) * 1998-06-30 2000-01-13 Siemens Ag Linearisierung von Multiträger-Empfängern
US6614854B1 (en) 1999-05-28 2003-09-02 Carriercomm, Inc. System and method for adaptive predistortion
US6255908B1 (en) 1999-09-03 2001-07-03 Amplix Temperature compensated and digitally controlled amplitude and phase channel amplifier linearizer for multi-carrier amplification systems
US6188279B1 (en) * 1999-11-03 2001-02-13 Space Systems/Loral, Inc. Low cost miniature broadband linearizer
CN1976251B (zh) * 2006-12-13 2011-05-25 太原理工大学 基于反相对称法的分集接收方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374435A (en) * 1965-07-29 1968-03-19 Bell Telephone Labor Inc Reduction of the effect of impulse noise bursts
US3889199A (en) * 1974-05-22 1975-06-10 Us Army Method and apparatus for adaptively suppressing unwanted lobes in a compressed coded radar signal
DE2638591A1 (de) * 1976-08-27 1978-03-02 Licentia Gmbh Schaltungsanordnung zum vorverzerren oder nachentzerren eines hochfrequenzsignales
US4311963A (en) * 1978-07-18 1982-01-19 Matsushita Electric Industrial Co., Ltd. Noise pulse suppressing system
DE2835751C2 (de) * 1978-08-16 1980-07-03 Standard Elektrik Lorenz Ag, 7000 Stuttgart HF-Leistungsverstärker mit einer Modulationseinrichtung
DE3002995C2 (de) * 1979-02-13 1983-09-29 Nippon Telegraph & Telephone Public Corp., Tokyo Anpassbares Entzerrungssystem
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
US4453133A (en) * 1982-04-05 1984-06-05 Bell Telephone Laboratories, Incorporated Active predistorter for linearity compensation

Also Published As

Publication number Publication date
CN85107828A (zh) 1986-05-10
AU4896285A (en) 1986-05-08
IT1178599B (it) 1987-09-09
EP0181458A3 (en) 1987-09-02
EP0181458A2 (en) 1986-05-21
IT8423409A1 (it) 1986-05-01
AU585540B2 (en) 1989-06-22
IT8423409A0 (it) 1984-10-31
JPS61179608A (ja) 1986-08-12
US4698597A (en) 1987-10-06

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