FR2108453A5 - - Google Patents

Info

Publication number
FR2108453A5
FR2108453A5 FR7134236A FR7134236A FR2108453A5 FR 2108453 A5 FR2108453 A5 FR 2108453A5 FR 7134236 A FR7134236 A FR 7134236A FR 7134236 A FR7134236 A FR 7134236A FR 2108453 A5 FR2108453 A5 FR 2108453A5
Authority
FR
France
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
FR7134236A
Inventor
A F Standing
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.)
Comsat Corp
Original Assignee
Comsat Corp
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 Comsat Corp filed Critical Comsat Corp
Application granted granted Critical
Publication of FR2108453A5 publication Critical patent/FR2108453A5/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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/345—Negative-feedback-circuit arrangements with or without positive feedback using hybrid or directional couplers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
    • H03F3/56—Amplifiers using transit-time effect in tubes or semiconductor devices using klystrons
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/0057—Accessories for arc lamps
    • H05B31/0063—Damping devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Braking Arrangements (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
FR7134236A 1970-09-23 1971-09-23 Expired FR2108453A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7456770A 1970-09-23 1970-09-23

Publications (1)

Publication Number Publication Date
FR2108453A5 true FR2108453A5 (fr) 1972-05-19

Family

ID=22120258

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7134236A Expired FR2108453A5 (fr) 1970-09-23 1971-09-23

Country Status (11)

Country Link
US (1) US3675138A (fr)
JP (2) JPS575924Y2 (fr)
AU (1) AU460256B2 (fr)
BE (1) BE772970A (fr)
CA (1) CA944443A (fr)
DE (2) DE2147167C2 (fr)
FR (1) FR2108453A5 (fr)
GB (2) GB1369603A (fr)
IT (1) IT939851B (fr)
NL (1) NL7113112A (fr)
SE (2) SE377414B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0149319A2 (fr) * 1984-01-19 1985-07-24 The Marconi Company Limited Circuit haute fréquence

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3755754A (en) * 1972-02-04 1973-08-28 Varian Associates Predistortion compensation for a microwave amplifier
JPS5635854B2 (fr) * 1973-08-03 1981-08-20
JPS522253A (en) * 1975-06-24 1977-01-08 Kokusai Denshin Denwa Co Ltd <Kdd> Non-linearity compensation cicuit for high frequency amplifier
US4109212A (en) * 1976-10-29 1978-08-22 Bell Telephone Laboratories, Incorporated Complementary distortion circuit
US4273970A (en) * 1979-12-28 1981-06-16 Bell Telephone Laboratories, Incorporated Intermodulation distortion test
DE3033288A1 (de) * 1980-09-04 1982-04-08 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur breitbandigen linearisierung von mikrowellenverstaerkern
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
US4462001A (en) * 1982-02-22 1984-07-24 Canadian Patents & Development Limited Baseband linearizer for wideband, high power, nonlinear amplifiers
US4564816A (en) * 1984-05-09 1986-01-14 Rca Corporation Predistortion circuit
US4580105A (en) * 1985-01-25 1986-04-01 At&T Bell Laboratories Automatic reduction of intermodulation products in high power linear amplifiers
DE3768158D1 (de) * 1986-06-26 1991-04-04 Siemens Ag Linearisierungsschaltung fuer hf-leistungsverstaerker.
US4752743A (en) * 1986-09-26 1988-06-21 Varian Associates, Inc. Linearizer for TWT amplifiers
US6175270B1 (en) 1998-03-05 2001-01-16 Lucent Technologies Inc. Method and apparatus for tailored distortion of a signal prior to amplification to reduce clipping
AU2001229297A1 (en) * 2000-01-10 2001-07-24 Airnet Communications Corporation Method and apparatus for equalization in transmit and receive levels in a broadband transceiver system
EP1195892B1 (fr) * 2000-10-06 2009-04-22 Alcatel Lucent Procédé et émetteur correspondant pour effectuer une prédistorsion d' un signal radio à large bande permettant d'éviter l'écrêtage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999986A (en) * 1957-12-13 1961-09-12 Holbrook George William Method of correcting non-linear distortion
US3235809A (en) * 1961-12-26 1966-02-15 Bell Telephone Labor Inc Relative phase correction circuit
US3248663A (en) * 1963-02-25 1966-04-26 Westinghouse Electric Corp High efficiency linear amplifier system
US3299362A (en) * 1963-09-13 1967-01-17 Bell Telephone Labor Inc Recovery of nonlinearly distorted signals
DE1766313A1 (de) * 1967-05-05 1971-07-01 Emv Elektromechanikai Vallalat Verfahren und Einrichtung zur Verminderung der Quermodulationsverzerrung von Wanderfeldroehren-Leistungsverstaerkern
US3548323A (en) * 1967-09-07 1970-12-15 Gordon Eng Co Non-linear mathematical signal conditioning system
US3460051A (en) * 1967-11-14 1969-08-05 Us Army Low-distortion gain and phase-stable power amplifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0149319A2 (fr) * 1984-01-19 1985-07-24 The Marconi Company Limited Circuit haute fréquence
EP0149319A3 (en) * 1984-01-19 1987-09-02 The Marconi Company Limited High frequency circuit

Also Published As

Publication number Publication date
DE214167C (fr)
US3675138A (en) 1972-07-04
SE403545B (sv) 1978-08-21
CA944443A (en) 1974-03-26
AU460256B2 (en) 1975-04-24
GB1369603A (en) 1974-10-09
NL7113112A (fr) 1972-03-27
DE2147167C2 (de) 1982-11-11
JPS5568813U (fr) 1980-05-12
SE7408719L (fr) 1974-07-02
GB1369604A (en) 1974-10-09
IT939851B (it) 1973-02-10
JPS5699912U (fr) 1981-08-06
JPS575924Y2 (fr) 1982-02-04
AU3373971A (en) 1973-03-29
DE2147167A1 (de) 1972-04-06
BE772970A (fr) 1972-01-17
JPS5921532Y2 (ja) 1984-06-26
SE377414B (fr) 1975-06-30

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Legal Events

Date Code Title Description
ST Notification of lapse