DE3463992D1 - Linearizing device for a high-frequency amplifier with complex non linear coefficients - Google Patents
Linearizing device for a high-frequency amplifier with complex non linear coefficientsInfo
- Publication number
- DE3463992D1 DE3463992D1 DE8484400226T DE3463992T DE3463992D1 DE 3463992 D1 DE3463992 D1 DE 3463992D1 DE 8484400226 T DE8484400226 T DE 8484400226T DE 3463992 T DE3463992 T DE 3463992T DE 3463992 D1 DE3463992 D1 DE 3463992D1
- Authority
- DE
- Germany
- Prior art keywords
- frequency amplifier
- non linear
- complex non
- linear coefficients
- linearizing device
- 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.)
- Expired
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
- 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
- H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
-
- 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
- H03F1/3282—Acting on the phase and the amplitude of the input signal
-
- 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
- H03F1/3294—Acting on the real and imaginary components of the input signal
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8302253A FR2541058B1 (fr) | 1983-02-11 | 1983-02-11 | Dispositif de linearisation d'amplificateur haute frequence a coefficients de non-linearite complexes |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3463992D1 true DE3463992D1 (en) | 1987-07-02 |
Family
ID=9285853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484400226T Expired DE3463992D1 (en) | 1983-02-11 | 1984-02-02 | Linearizing device for a high-frequency amplifier with complex non linear coefficients |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0121446B1 (de) |
JP (1) | JPS59158113A (de) |
CA (1) | CA1208709A (de) |
DE (1) | DE3463992D1 (de) |
FR (1) | FR2541058B1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5193224A (en) * | 1991-04-24 | 1993-03-09 | Northern Telecom Limited | Adaptive phase control for a power amplifier predistorter |
FR2713851B1 (fr) * | 1993-12-14 | 1996-01-05 | Thomson Csf | Dispositif de linéarisation d'un élément de transmission haute fréquence à coefficients de non-linéarité complexes. |
US6335767B1 (en) * | 1998-06-26 | 2002-01-01 | Harris Corporation | Broadcast transmission system with distributed correction |
GB2339917A (en) * | 1998-07-21 | 2000-02-09 | Ifr Limited | Generating a multitone test signal |
JP3570898B2 (ja) * | 1998-08-24 | 2004-09-29 | 日本電気株式会社 | プレディストーション回路 |
US6501805B1 (en) | 1999-05-14 | 2002-12-31 | Harris Corporation | Broadcast transmission system with single correction filter for correcting linear and non-linear distortion |
DE19927952A1 (de) * | 1999-06-18 | 2001-01-04 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Vorverzerren eines über eine nicht-lineare Übertragungsstrecke zu übertragenden Übertragungssignals |
GB2376581B (en) * | 2001-06-15 | 2005-03-09 | Wireless Systems Int Ltd | Control scheme for signal processing arrangement |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2306294A1 (de) * | 1973-02-08 | 1974-08-15 | Rohde & Schwarz | Schaltung zur kompensation der nichtlinearitaet eines verstaerkers, insbesondere des leistungsverstaerkers eines fernsehsenders |
FR2275065A1 (fr) * | 1974-06-11 | 1976-01-09 | Lgt Lab Gen Telecomm | Dispositif amplificateur linearise par correction automatique |
US4243955A (en) * | 1978-06-28 | 1981-01-06 | Motorola, Inc. | Regulated suppressed carrier modulation system |
US4178557A (en) * | 1978-12-15 | 1979-12-11 | Bell Telephone Laboratories, Incorporated | Linear amplification with nonlinear devices |
US4291277A (en) * | 1979-05-16 | 1981-09-22 | Harris Corporation | Adaptive predistortion technique for linearizing a power amplifier for digital data systems |
FR2507026A1 (fr) * | 1981-05-26 | 1982-12-03 | Thomson Csf | Dispositif de correction d'intermodulation produite par un amplificateur de signaux hautes frequences |
FR2520957A1 (fr) * | 1982-01-29 | 1983-08-05 | Thomson Csf | Dispositif de correction d'intermodulation produite par un amplificateur de signaux haute frequence regule en niveau crete |
-
1983
- 1983-02-11 FR FR8302253A patent/FR2541058B1/fr not_active Expired
-
1984
- 1984-02-02 EP EP19840400226 patent/EP0121446B1/de not_active Expired
- 1984-02-02 DE DE8484400226T patent/DE3463992D1/de not_active Expired
- 1984-02-09 CA CA000447114A patent/CA1208709A/en not_active Expired
- 1984-02-10 JP JP2423284A patent/JPS59158113A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0121446B1 (de) | 1987-05-27 |
FR2541058B1 (fr) | 1986-01-24 |
JPS59158113A (ja) | 1984-09-07 |
EP0121446A1 (de) | 1984-10-10 |
CA1208709A (en) | 1986-07-29 |
FR2541058A1 (fr) | 1984-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0367458A3 (en) | A predistortion compensated linear amplifier | |
GB2129133B (en) | Probe for checking linear dimensions | |
DE3369613D1 (en) | Overdrive thermal distortion compensation for a quinn cascomp amplifier | |
GB2136691B (en) | Device for introducing a catheter | |
JPS5648939A (en) | Method and device for mounting connecting piece | |
GB2121182B (en) | Linear inductive transducer | |
DE3371494D1 (en) | Transporting device for plate-like elements | |
GB8430149D0 (en) | Pick-up positioning apparatus | |
DE3465264D1 (en) | Positioning device for robots | |
DE3463992D1 (en) | Linearizing device for a high-frequency amplifier with complex non linear coefficients | |
JPS57104542A (en) | Device for mounting connecting piece | |
JPS5777428A (en) | Mounting device for connecting piece | |
JPS5777427A (en) | Mounting device for connecting piece | |
JPS57104547A (en) | Device for mounting connecting piece | |
GB8428757D0 (en) | Linear measurement apparatus | |
JPS57104541A (en) | Device for mounting connecting piece | |
GB2072450B (en) | Amplifier apparatus having a low-pass characteristic | |
JPS5725216A (en) | Device for pulling out linear body | |
DE3172946D1 (en) | Device for recording a magnetic field | |
GB2158704B (en) | Tray device for an infant carriage | |
GB8427876D0 (en) | Tape wrapping apparatus | |
JPS5722742A (en) | Feedback device for brain wave | |
GB2144538B (en) | Linear measurement apparatus | |
JPS56151008A (en) | Apparatus for positioning furniture | |
JPS55110976A (en) | Linear error compensation electronic device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |