FR2469068A1 - Dispositif de precorrection en haute frequence de la non-linearite des amplificateurs de signaux comportant au moins un signal porteur module en amplitude, et emetteur de television comportant un tel dispositif - Google Patents

Dispositif de precorrection en haute frequence de la non-linearite des amplificateurs de signaux comportant au moins un signal porteur module en amplitude, et emetteur de television comportant un tel dispositif

Info

Publication number
FR2469068A1
FR2469068A1 FR7926607A FR7926607A FR2469068A1 FR 2469068 A1 FR2469068 A1 FR 2469068A1 FR 7926607 A FR7926607 A FR 7926607A FR 7926607 A FR7926607 A FR 7926607A FR 2469068 A1 FR2469068 A1 FR 2469068A1
Authority
FR
France
Prior art keywords
linearity
modulated carrier
carrier signal
high frequency
amplitude modulated
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.)
Granted
Application number
FR7926607A
Other languages
English (en)
French (fr)
Other versions
FR2469068B1 (https=
Inventor
Anh Ta-Hong
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7926607A priority Critical patent/FR2469068A1/fr
Priority to DE8080401466T priority patent/DE3062059D1/de
Priority to EP19800401466 priority patent/EP0028181B1/fr
Priority to CA000363128A priority patent/CA1173152A/fr
Publication of FR2469068A1 publication Critical patent/FR2469068A1/fr
Application granted granted Critical
Publication of FR2469068B1 publication Critical patent/FR2469068B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • 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
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/38—Positive-feedback circuit arrangements without negative feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
FR7926607A 1979-10-26 1979-10-26 Dispositif de precorrection en haute frequence de la non-linearite des amplificateurs de signaux comportant au moins un signal porteur module en amplitude, et emetteur de television comportant un tel dispositif Granted FR2469068A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7926607A FR2469068A1 (fr) 1979-10-26 1979-10-26 Dispositif de precorrection en haute frequence de la non-linearite des amplificateurs de signaux comportant au moins un signal porteur module en amplitude, et emetteur de television comportant un tel dispositif
DE8080401466T DE3062059D1 (en) 1979-10-26 1980-10-14 Device for high-frequency precorrection of non-linearity in signal amplifiers, the signals comprising at least one amplitude-modulated carrier, and television transmitter including such a device
EP19800401466 EP0028181B1 (fr) 1979-10-26 1980-10-14 Dispositif de précorrection en haute fréquence de la non linéarité des amplificateurs de signaux comportant au moins un signal porteur modulé en amplitude, et émetteur de télévision comportant un tel dispositif
CA000363128A CA1173152A (fr) 1979-10-26 1980-10-23 Dispositif de precorrection en haute frequence de la non linearite des amplificateurs de signaux comportant au moins un signal porteur module en amplitude, et emetteur de television comportant un tel dispositif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7926607A FR2469068A1 (fr) 1979-10-26 1979-10-26 Dispositif de precorrection en haute frequence de la non-linearite des amplificateurs de signaux comportant au moins un signal porteur module en amplitude, et emetteur de television comportant un tel dispositif

Publications (2)

Publication Number Publication Date
FR2469068A1 true FR2469068A1 (fr) 1981-05-08
FR2469068B1 FR2469068B1 (https=) 1982-10-01

Family

ID=9231076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7926607A Granted FR2469068A1 (fr) 1979-10-26 1979-10-26 Dispositif de precorrection en haute frequence de la non-linearite des amplificateurs de signaux comportant au moins un signal porteur module en amplitude, et emetteur de television comportant un tel dispositif

Country Status (4)

Country Link
EP (1) EP0028181B1 (https=)
CA (1) CA1173152A (https=)
DE (1) DE3062059D1 (https=)
FR (1) FR2469068A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2576725B1 (fr) * 1985-01-25 1988-07-08 Thomson Csf Amplificateur en classe ab et son correcteur de distorsion
GB9212151D0 (en) * 1992-06-09 1992-07-22 British Broadcasting Corp Signal processing with active devices to reduce inter-modulation products
GB2282927B (en) * 1992-06-09 1995-10-04 British Broadcasting Corp Compensating for non-linear effects in signal processing with active devices
FR2731576B1 (fr) * 1995-03-09 1997-05-23 Telediffusion Fse Chaine d'emission de signaux de television comportant une voie de donnees

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2146889A5 (https=) * 1971-07-22 1973-03-02 Marconi Co Ltd
DE2306294A1 (de) * 1973-02-08 1974-08-15 Rohde & Schwarz Schaltung zur kompensation der nichtlinearitaet eines verstaerkers, insbesondere des leistungsverstaerkers eines fernsehsenders
GB1419519A (en) * 1972-10-02 1975-12-31 Pye Ltd Correcting amplifier non-linearity
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2146889A5 (https=) * 1971-07-22 1973-03-02 Marconi Co Ltd
GB1419519A (en) * 1972-10-02 1975-12-31 Pye Ltd Correcting amplifier non-linearity
DE2306294A1 (de) * 1973-02-08 1974-08-15 Rohde & Schwarz Schaltung zur kompensation der nichtlinearitaet eines verstaerkers, insbesondere des leistungsverstaerkers eines fernsehsenders
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

Also Published As

Publication number Publication date
FR2469068B1 (https=) 1982-10-01
EP0028181A1 (fr) 1981-05-06
CA1173152A (fr) 1984-08-21
DE3062059D1 (en) 1983-03-24
EP0028181B1 (fr) 1983-02-16

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Legal Events

Date Code Title Description
ST Notification of lapse