FR2517494B1 - - Google Patents

Info

Publication number
FR2517494B1
FR2517494B1 FR8122273A FR8122273A FR2517494B1 FR 2517494 B1 FR2517494 B1 FR 2517494B1 FR 8122273 A FR8122273 A FR 8122273A FR 8122273 A FR8122273 A FR 8122273A FR 2517494 B1 FR2517494 B1 FR 2517494B1
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
FR8122273A
Other languages
French (fr)
Other versions
FR2517494A1 (en
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 FR8122273A priority Critical patent/FR2517494A1/en
Publication of FR2517494A1 publication Critical patent/FR2517494A1/en
Application granted granted Critical
Publication of FR2517494B1 publication Critical patent/FR2517494B1/fr
Granted 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
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3227—Adaptive predistortion based on amplitude, envelope or power level feedback from the output of the main amplifier
FR8122273A 1981-11-27 1981-11-27 Inter-modulation corrector for HF single side band amplifier - has pre-corrector for odd order cross-modulations, whose amplitude is measured for analysis by microprocessor, and test signal generator Granted FR2517494A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8122273A FR2517494A1 (en) 1981-11-27 1981-11-27 Inter-modulation corrector for HF single side band amplifier - has pre-corrector for odd order cross-modulations, whose amplitude is measured for analysis by microprocessor, and test signal generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8122273A FR2517494A1 (en) 1981-11-27 1981-11-27 Inter-modulation corrector for HF single side band amplifier - has pre-corrector for odd order cross-modulations, whose amplitude is measured for analysis by microprocessor, and test signal generator

Publications (2)

Publication Number Publication Date
FR2517494A1 FR2517494A1 (en) 1983-06-03
FR2517494B1 true FR2517494B1 (en) 1984-04-06

Family

ID=9264444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8122273A Granted FR2517494A1 (en) 1981-11-27 1981-11-27 Inter-modulation corrector for HF single side band amplifier - has pre-corrector for odd order cross-modulations, whose amplitude is measured for analysis by microprocessor, and test signal generator

Country Status (1)

Country Link
FR (1) FR2517494A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07101820B2 (en) * 1989-12-27 1995-11-01 三菱電機株式会社 Low distortion high frequency amplifier
GB2257860B (en) * 1991-07-06 1995-09-20 Racal Communications Syst Ltd Amplification systems
JPH05121958A (en) * 1991-10-29 1993-05-18 Saitama Nippon Denki Kk Distortion compensation control system for linear amplifier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2306294A1 (en) * 1973-02-08 1974-08-15 Rohde & Schwarz CIRCUIT TO COMPENSATE THE NON-LINEARITY OF AN AMPLIFIER, IN PARTICULAR THE POWER AMPLIFIER OF A TELEVISION TRANSMITTER
DE2424491A1 (en) * 1974-05-20 1975-12-04 Hans H Plisch Fabrikation Elek T.V. signal amplifier linearisation circuit - has first input branching point which is followed by second branching point
US4291277A (en) * 1979-05-16 1981-09-22 Harris Corporation Adaptive predistortion technique for linearizing a power amplifier for digital data systems

Also Published As

Publication number Publication date
FR2517494A1 (en) 1983-06-03

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Legal Events

Date Code Title Description
ST Notification of lapse