FR2369755A1 - Circuit compensateur de distorsion - Google Patents
Circuit compensateur de distorsionInfo
- Publication number
- FR2369755A1 FR2369755A1 FR7732664A FR7732664A FR2369755A1 FR 2369755 A1 FR2369755 A1 FR 2369755A1 FR 7732664 A FR7732664 A FR 7732664A FR 7732664 A FR7732664 A FR 7732664A FR 2369755 A1 FR2369755 A1 FR 2369755A1
- Authority
- FR
- France
- Prior art keywords
- distortion compensator
- compensator circuit
- phase
- phase modulator
- 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.)
- Granted
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
- H03F1/3276—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using the nonlinearity inherent to components, e.g. a diode
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Filters And Equalizers (AREA)
Abstract
L'invention concerne un circuit compensateur de distorsion. Le circuit comprend un premier et un second modulateur de phase non linéaires pour produire respectivement des déphasages proportionnels à la puissance instantanée du signal dans chaque composant, et des moyens qui sont couplés à la sortie du premier et du second modulateur de phase pour recombiner les composants déphasés. L'invention est utilisée dans la technique des hyperfréquences.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/736,995 US4109212A (en) | 1976-10-29 | 1976-10-29 | Complementary distortion circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2369755A1 true FR2369755A1 (fr) | 1978-05-26 |
FR2369755B1 FR2369755B1 (fr) | 1980-08-08 |
Family
ID=24962185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7732664A Granted FR2369755A1 (fr) | 1976-10-29 | 1977-10-28 | Circuit compensateur de distorsion |
Country Status (10)
Country | Link |
---|---|
US (1) | US4109212A (fr) |
JP (1) | JPS5356948A (fr) |
AU (1) | AU3001977A (fr) |
BE (1) | BE860103A (fr) |
DE (1) | DE2748077C3 (fr) |
ES (1) | ES463649A1 (fr) |
FR (1) | FR2369755A1 (fr) |
IL (1) | IL53203A (fr) |
NL (1) | NL7711689A (fr) |
SE (1) | SE7711733L (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4536846A (en) * | 1982-09-20 | 1985-08-20 | Rca Corporation | Distortion reducer for companded analog systems |
US4481645A (en) * | 1982-12-29 | 1984-11-06 | At&T Bell Laboratories | Linear distortion canceller circuit |
US4564816A (en) * | 1984-05-09 | 1986-01-14 | Rca Corporation | Predistortion circuit |
US4588958A (en) * | 1985-03-29 | 1986-05-13 | Rca Corporation | Adjustable reflective predistortion circuit |
JPH01295510A (ja) * | 1988-05-23 | 1989-11-29 | Nec Corp | 非線形補償回路 |
US5015965A (en) * | 1989-11-22 | 1991-05-14 | General Electric Company | Predistortion equalizer with resistive combiners and dividers |
US5038113A (en) * | 1989-12-01 | 1991-08-06 | General Electric Company | Nonlinearity generator using FET source-to-drain conductive path |
GB9111926D0 (en) * | 1991-06-04 | 1991-07-24 | Nat Transcommunications Ltd | An improved method of video noise reduction using non-linear pre/de-emphasis |
JP3022347B2 (ja) * | 1996-10-18 | 2000-03-21 | 八木アンテナ株式会社 | 歪補償回路 |
US6317013B1 (en) | 1999-08-16 | 2001-11-13 | K & L Microwave Incorporated | Delay line filter |
JP4634557B2 (ja) * | 1999-11-30 | 2011-02-16 | 富士通株式会社 | 信号キャンセル方法及びその装置 |
US7340265B2 (en) * | 2002-02-28 | 2008-03-04 | Atheros Communications, Inc. | Method and apparatus for transient frequency distortion compensation |
FR2911019B1 (fr) * | 2006-12-28 | 2009-03-06 | Alcatel Lucent Sa | Dispositif de linearisation a pre-distortion a amplitude et galbe reglables |
US8400229B2 (en) | 2011-03-07 | 2013-03-19 | Ls Industrial Systems Co., Ltd. | Vector modulator using time delay and phase shifter |
EP2498402A1 (fr) * | 2011-03-09 | 2012-09-12 | LS Industrial Systems Co., Ltd | Modulateur de vecteur utilisant une temporisation et un déphaseur |
WO2014132252A1 (fr) * | 2013-02-27 | 2014-09-04 | Corning Optical Communications Wireless,Ltd. | Coupleurs directionnels ayant des rapports de puissance variables et procédés, systèmes et dispositifs associés |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3267392A (en) * | 1960-04-18 | 1966-08-16 | Hughes Aircraft Co | Balanced phase modulator |
GB959316A (en) * | 1961-03-14 | 1964-05-27 | Standard Telephones Cables Ltd | Improvements in or relating to signal transmission apparatus |
US3297882A (en) * | 1963-12-30 | 1967-01-10 | Collins Radio Co | Limiter-compressor circuit |
US3371284A (en) * | 1964-10-30 | 1968-02-27 | Bell Telephone Labor Inc | High frequency balanced amplifier |
US3292093A (en) * | 1965-10-12 | 1966-12-13 | Kenneth K Clarke | Demodulator for frequency modulated signal |
US3383618A (en) * | 1966-03-10 | 1968-05-14 | Bell Telephone Labor Inc | Suppression of intermodulation distortion |
DE214167C (fr) * | 1970-09-23 | Communications Satellite Corp | ||
US3728648A (en) * | 1971-06-28 | 1973-04-17 | Lockheed Electronics Co | Power distribution network |
US3825843A (en) * | 1973-06-08 | 1974-07-23 | Bell Telephone Labor Inc | Selective distortion compensation circuit |
US3963990A (en) * | 1974-02-27 | 1976-06-15 | Communications Satellite Corporation (Comsat) | Interference reduction circuit |
JPS50140040A (fr) * | 1974-04-25 | 1975-11-10 | ||
JPS5756248B2 (fr) * | 1974-08-19 | 1982-11-29 |
-
1976
- 1976-10-29 US US05/736,995 patent/US4109212A/en not_active Expired - Lifetime
-
1977
- 1977-10-18 SE SE7711733A patent/SE7711733L/xx unknown
- 1977-10-24 IL IL53203A patent/IL53203A/xx unknown
- 1977-10-25 AU AU30019/77A patent/AU3001977A/en active Pending
- 1977-10-25 NL NL7711689A patent/NL7711689A/xx not_active Application Discontinuation
- 1977-10-26 BE BE182050A patent/BE860103A/fr unknown
- 1977-10-27 DE DE2748077A patent/DE2748077C3/de not_active Expired
- 1977-10-28 FR FR7732664A patent/FR2369755A1/fr active Granted
- 1977-10-28 ES ES463649A patent/ES463649A1/es not_active Expired
- 1977-10-29 JP JP12925277A patent/JPS5356948A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IL53203A (en) | 1980-11-30 |
BE860103A (fr) | 1978-02-15 |
ES463649A1 (es) | 1978-07-16 |
JPS5356948A (en) | 1978-05-23 |
FR2369755B1 (fr) | 1980-08-08 |
SE7711733L (sv) | 1978-04-30 |
NL7711689A (nl) | 1978-05-03 |
DE2748077C3 (de) | 1980-02-21 |
US4109212A (en) | 1978-08-22 |
DE2748077B2 (de) | 1979-06-21 |
DE2748077A1 (de) | 1978-05-11 |
AU3001977A (en) | 1979-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |