BE474454A - - Google Patents
Info
- Publication number
- BE474454A BE474454A BE474454DA BE474454A BE 474454 A BE474454 A BE 474454A BE 474454D A BE474454D A BE 474454DA BE 474454 A BE474454 A BE 474454A
- Authority
- BE
- Belgium
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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
- H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/02—Details
- H03C1/06—Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US273404A US2252049A (en) | 1939-05-13 | 1939-05-13 | Linear amplifying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474454A true BE474454A (zh) |
Family
ID=23043798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474454D BE474454A (zh) | 1939-05-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2252049A (zh) |
| BE (1) | BE474454A (zh) |
| ES (1) | ES176812A1 (zh) |
| FR (1) | FR865592A (zh) |
| GB (1) | GB537558A (zh) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE474143A (zh) * | 1946-06-27 | |||
| US2807665A (en) * | 1952-08-09 | 1957-09-24 | Perlman Robert Ruben | Reduction of distortion in amplifying systems |
| DE950788C (de) * | 1954-01-09 | 1956-10-18 | Telefunken Gmbh | Senderschaltung zur Amplitudenmodulation einer Hochfrequenzschwingung mit herabgesetzter Bandbreite |
| BE568224A (zh) * | 1957-06-07 | |||
| FR1275031A (fr) * | 1960-09-22 | 1961-11-03 | Electronique & Physique | Perfectionnements aux procédés de linéarisation de la caractéristique d'amplitude des amplificateurs de puissance |
| US3335370A (en) * | 1965-03-31 | 1967-08-08 | Trw Semiconductors Inc | High level amplitude modulation of transistor radio frequency amplifiers |
| US3525052A (en) * | 1968-05-13 | 1970-08-18 | Farnsworth D Clark | Distortion cancelling circuit for amplifiers |
-
0
- BE BE474454D patent/BE474454A/xx unknown
-
1939
- 1939-05-13 US US273404A patent/US2252049A/en not_active Expired - Lifetime
-
1940
- 1940-03-01 GB GB3871/40A patent/GB537558A/en not_active Expired
- 1940-05-11 FR FR865592D patent/FR865592A/fr not_active Expired
-
1947
- 1947-02-15 ES ES176812A patent/ES176812A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB537558A (en) | 1941-06-26 |
| US2252049A (en) | 1941-08-12 |
| FR865592A (fr) | 1941-05-27 |
| ES176812A1 (es) | 1947-03-16 |