CA1031828A - Circuit compensateur selectif de distorsion - Google Patents

Circuit compensateur selectif de distorsion

Info

Publication number
CA1031828A
CA1031828A CA200,171A CA200171A CA1031828A CA 1031828 A CA1031828 A CA 1031828A CA 200171 A CA200171 A CA 200171A CA 1031828 A CA1031828 A CA 1031828A
Authority
CA
Canada
Prior art keywords
compensation circuit
distortion compensation
selective distortion
selective
circuit
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA200,171A
Other languages
English (en)
Other versions
CA200171S (en
Inventor
Hotze Miedema
Robert I. Felsberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA1031828A publication Critical patent/CA1031828A/fr
Expired legal-status Critical Current

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
    • H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output
    • 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
    • H03F1/3276—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using the nonlinearity inherent to components, e.g. a diode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/06—Control of transmission; Equalising by the transmitted signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/198—A hybrid coupler being used as coupling circuit between stages of an amplifier circuit
CA200,171A 1973-06-08 1974-05-16 Circuit compensateur selectif de distorsion Expired CA1031828A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00368110A US3825843A (en) 1973-06-08 1973-06-08 Selective distortion compensation circuit

Publications (1)

Publication Number Publication Date
CA1031828A true CA1031828A (fr) 1978-05-23

Family

ID=23449884

Family Applications (1)

Application Number Title Priority Date Filing Date
CA200,171A Expired CA1031828A (fr) 1973-06-08 1974-05-16 Circuit compensateur selectif de distorsion

Country Status (2)

Country Link
US (1) US3825843A (fr)
CA (1) CA1031828A (fr)

Families Citing this family (39)

* 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
US4016497A (en) * 1976-05-05 1977-04-05 Bell Telephone Laboratories, Incorporated Feedbackward distortion compensating circuit
GB1542081A (en) * 1976-08-19 1979-03-14 Standard Telephones Cables Ltd Feedforward amplifiers
FR2394214A1 (fr) * 1976-10-13 1979-01-05 Cit Alcatel Procede de compensation du bruit d'intermodulation et dispositifs pour sa mise en oeuvre
US4109212A (en) * 1976-10-29 1978-08-22 Bell Telephone Laboratories, Incorporated Complementary distortion circuit
US4157508A (en) * 1977-11-21 1979-06-05 Bell Telephone Laboratories, Incorporated Signal cuber circuit
FR2415923A2 (fr) * 1978-01-25 1979-08-24 Cit Alcatel Procede de compensation du bruit d'intermodulation et dispositifs pour sa mise en oeuvre
DE3113005A1 (de) * 1981-04-01 1982-10-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und schaltungsanordnung zur kompensation der nichtlinearitaeten von uebertragungsgliedern in einem richtfunkuebertragungssystem
FR2505587A1 (fr) * 1981-05-08 1982-11-12 Trt Telecom Radio Electr Dispositif destine a eviter des oscillations entretenues genantes dans un systeme boucle
FR2514595A1 (fr) * 1981-10-12 1983-04-15 Trt Telecom Radio Electr Poste telephonique " mains libres " a gains commutables sur les deux voies de parole
DE3142203A1 (de) * 1981-10-24 1983-05-26 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Entzerrer
US4455536A (en) * 1982-01-21 1984-06-19 International Telecommunications Satellite Organization (Intelsat) Push-pull microwave amplifier
US4453133A (en) * 1982-04-05 1984-06-05 Bell Telephone Laboratories, Incorporated Active predistorter for linearity compensation
US4481645A (en) * 1982-12-29 1984-11-06 At&T Bell Laboratories Linear distortion canceller circuit
CA1190607A (fr) * 1983-05-31 1985-07-16 Stephen G. Harman Tripleur de frequences
US4513250A (en) * 1983-05-31 1985-04-23 Northern Telecom Limited Signal cuber
DE3417776A1 (de) * 1983-06-01 1985-11-21 Manfred Dipl.-Ing. 7000 Stuttgart Horn Verfahren und schaltungsanordnungen zur kompensation von nichtlinearen amplituden- und/oder phasenverzerrungen
FR2553947B1 (fr) * 1983-10-21 1985-12-13 Lgt Lab Gen Telecomm Dispositif de precorrection automatique des non-linearites dans une chaine d'amplification de puissance et emetteur de television comportant un tel dispositif
ATE61171T1 (de) * 1986-06-26 1991-03-15 Siemens Ag Linearisierungsschaltung fuer hfleistungsverst|rker.
US4736165A (en) * 1987-04-17 1988-04-05 Hughes Aircraft Company Distortion generating circuit
US4916407A (en) * 1988-12-29 1990-04-10 Westinghouse Electric Corp. Gain variation compensating circuit for a feedforward linear amplifier
US5093629A (en) * 1989-12-27 1992-03-03 Mitsubishi Denki Kabushiki Kaisha Amplifier circuit having second order signal cancellation
CN1020816C (zh) * 1990-05-08 1993-05-19 董献之 平方器
US5410264A (en) * 1992-10-13 1995-04-25 Bell Communications Research, Inc. Adaptive impulse noise canceler for digital subscriber lines
FI98014C (fi) * 1995-06-30 1997-03-25 Nokia Mobile Phones Ltd Kuutiointipiiri signaalin esisäröyttämiseksi
JP2983160B2 (ja) * 1995-10-06 1999-11-29 八木アンテナ株式会社 高周波増幅装置
US6046635A (en) * 1998-04-08 2000-04-04 Powerwave Technologies, Inc. Dynamic predistortion compensation for a power amplifier
JP2000244252A (ja) * 1999-02-24 2000-09-08 Kokusai Electric Co Ltd 歪み補償装置
US6940973B1 (en) * 1999-06-07 2005-09-06 Bell Canada Method and apparatus for cancelling common mode noise occurring in communications channels
GB9926886D0 (en) 1999-11-12 2000-01-12 Nokia Networks Oy Linerisation of an amplifier
EP1199797A1 (fr) * 2000-10-11 2002-04-24 Telefonaktiebolaget Lm Ericsson Procédé et appareil permettant la réduction de la distorsion
US6545535B2 (en) * 2000-10-12 2003-04-08 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reducing distortion
US7340265B2 (en) * 2002-02-28 2008-03-04 Atheros Communications, Inc. Method and apparatus for transient frequency distortion compensation
JP4671622B2 (ja) * 2004-04-30 2011-04-20 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 歪み補償電力増幅装置
US7593494B1 (en) 2004-09-23 2009-09-22 Adtran, Inc. System and method for canceling impulse noise
US7809076B1 (en) 2005-03-11 2010-10-05 Adtran, Inc. Adaptive interference canceling system and method
US8233871B2 (en) * 2009-06-16 2012-07-31 California Institute Of Technology Incompressible RF receiver
US8446997B2 (en) * 2009-07-02 2013-05-21 Agilent Technologies, Inc. Apparatus and method for reducing third-order intermodulation distortion
US11750427B1 (en) * 2022-05-04 2023-09-05 L3Harris Technologies, Inc. Low-noise highly-linear wideband vector modulators

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3231819A (en) * 1961-09-07 1966-01-25 Bell Telephone Labor Inc Intermodulation distortion correction of angle modulated transmission system by use of nonlinear cancellation circuit

Also Published As

Publication number Publication date
US3825843A (en) 1974-07-23

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