DE3062059D1 - 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 - Google Patents
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 deviceInfo
- Publication number
- DE3062059D1 DE3062059D1 DE8080401466T DE3062059T DE3062059D1 DE 3062059 D1 DE3062059 D1 DE 3062059D1 DE 8080401466 T DE8080401466 T DE 8080401466T DE 3062059 T DE3062059 T DE 3062059T DE 3062059 D1 DE3062059 D1 DE 3062059D1
- Authority
- DE
- Germany
- Prior art keywords
- linearity
- amplitude
- signals
- modulated carrier
- transmitter including
- 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
- 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)
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 (1)
Publication Number | Publication Date |
---|---|
DE3062059D1 true DE3062059D1 (en) | 1983-03-24 |
Family
ID=9231076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8080401466T Expired 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 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0028181B1 (de) |
CA (1) | CA1173152A (de) |
DE (1) | DE3062059D1 (de) |
FR (1) | FR2469068A1 (de) |
Families Citing this family (4)
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 |
GB2282927B (en) * | 1992-06-09 | 1995-10-04 | British Broadcasting Corp | Compensating for non-linear effects in signal processing with active devices |
GB9212151D0 (en) * | 1992-06-09 | 1992-07-22 | British Broadcasting Corp | Signal processing with active devices to reduce inter-modulation products |
FR2731576B1 (fr) * | 1995-03-09 | 1997-05-23 | Telediffusion Fse | Chaine d'emission de signaux de television comportant une voie de donnees |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1381597A (en) * | 1971-07-22 | 1975-01-22 | Marconi Co Ltd | High frequency amplifier arrangements |
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 |
-
1979
- 1979-10-26 FR FR7926607A patent/FR2469068A1/fr active Granted
-
1980
- 1980-10-14 EP EP19800401466 patent/EP0028181B1/de not_active Expired
- 1980-10-14 DE DE8080401466T patent/DE3062059D1/de not_active Expired
- 1980-10-23 CA CA000363128A patent/CA1173152A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2469068A1 (fr) | 1981-05-08 |
FR2469068B1 (de) | 1982-10-01 |
CA1173152A (fr) | 1984-08-21 |
EP0028181B1 (de) | 1983-02-16 |
EP0028181A1 (de) | 1981-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |