AR204865A1 - Dispositivo amplificador linealizado por correccion automatica de la ganancia de un amplificador - Google Patents

Dispositivo amplificador linealizado por correccion automatica de la ganancia de un amplificador

Info

Publication number
AR204865A1
AR204865A1 AR25915375A AR25915375A AR204865A1 AR 204865 A1 AR204865 A1 AR 204865A1 AR 25915375 A AR25915375 A AR 25915375A AR 25915375 A AR25915375 A AR 25915375A AR 204865 A1 AR204865 A1 AR 204865A1
Authority
AR
Argentina
Prior art keywords
amplifier
gain
automatic correction
linearized
amplifier device
Prior art date
Application number
AR25915375A
Other languages
English (en)
Spanish (es)
Original Assignee
Lgt Lab Gen Telecomm
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 Lgt Lab Gen Telecomm filed Critical Lgt Lab Gen Telecomm
Application granted granted Critical
Publication of AR204865A1 publication Critical patent/AR204865A1/es

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • 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
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on 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
    • H03F1/32—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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
AR25915375A 1974-06-11 1975-01-01 Dispositivo amplificador linealizado por correccion automatica de la ganancia de un amplificador AR204865A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7420157A FR2275065A1 (fr) 1974-06-11 1974-06-11 Dispositif amplificateur linearise par correction automatique

Publications (1)

Publication Number Publication Date
AR204865A1 true AR204865A1 (es) 1976-03-05

Family

ID=9139889

Family Applications (1)

Application Number Title Priority Date Filing Date
AR25915375A AR204865A1 (es) 1974-06-11 1975-01-01 Dispositivo amplificador linealizado por correccion automatica de la ganancia de un amplificador

Country Status (6)

Country Link
AR (1) AR204865A1 (fr)
CA (1) CA1048114A (fr)
DE (1) DE2526064C2 (fr)
ES (1) ES438393A1 (fr)
FR (1) FR2275065A1 (fr)
GB (1) GB1491798A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448750A1 (fr) * 1979-02-09 1980-09-05 Labo Electronique Physique Dispositif electronique de compensation de defauts de linearite
FR2541058B1 (fr) * 1983-02-11 1986-01-24 Thomson Csf Dispositif de linearisation d'amplificateur haute frequence a coefficients de non-linearite complexes
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
GB2164823A (en) * 1984-09-17 1986-03-26 Philips Electronic Associated Television transmitter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2140851B2 (de) * 1971-08-14 1976-03-11 Rohde & Schwarz, 8000 München Schaltung zum erzeugen einer vorbestimmten, zur kompensation der nichtlinearitaeten eines nachgeschalteten verstaerkers dienenden und hierzu komplementaeren vorverzerrung eines hochfrequenz-, insbesondere eines fernseh- signals

Also Published As

Publication number Publication date
ES438393A1 (es) 1977-01-16
FR2275065B1 (fr) 1978-01-13
DE2526064A1 (de) 1976-01-02
CA1048114A (fr) 1979-02-06
DE2526064C2 (de) 1984-04-12
GB1491798A (en) 1977-11-16
FR2275065A1 (fr) 1976-01-09

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