BE643478A - - Google Patents
Info
- Publication number
- BE643478A BE643478A BE643478A BE643478A BE643478A BE 643478 A BE643478 A BE 643478A BE 643478 A BE643478 A BE 643478A BE 643478 A BE643478 A BE 643478A BE 643478 A BE643478 A BE 643478A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
-
- 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
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
-
- 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
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US260758A US3248663A (en) | 1963-02-25 | 1963-02-25 | High efficiency linear amplifier system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE643478A true BE643478A (es) | 1964-05-29 |
Family
ID=22990504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE643478A BE643478A (es) | 1963-02-25 | 1964-02-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3248663A (es) |
| BE (1) | BE643478A (es) |
| DE (1) | DE1219091B (es) |
| FR (1) | FR1381895A (es) |
| GB (1) | GB1050952A (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3426292A (en) * | 1965-11-18 | 1969-02-04 | Bell Telephone Labor Inc | Phase-coherent band-splitting and recombination network |
| NL6909969A (es) * | 1968-07-02 | 1970-01-06 | ||
| US3624526A (en) * | 1970-05-04 | 1971-11-30 | Us Navy | Wide band digital quadrature circuit |
| DE214167C (es) * | 1970-09-23 | Communications Satellite Corp | ||
| US4064464A (en) * | 1976-04-13 | 1977-12-20 | Westinghouse Electric Corporation | Amplitude stabilized power amplifier |
| US4090147A (en) * | 1977-07-20 | 1978-05-16 | Bell Telephone Laboratories, Incorporated | Interferometric amplifier |
| DE3624854A1 (de) * | 1986-07-23 | 1988-01-28 | Thomson Brandt Gmbh | Schaltungsanordnung zum verschieben der phase eines signals |
| DE3906448C1 (es) * | 1989-03-01 | 1990-03-15 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | |
| GB2236634B (en) * | 1989-10-03 | 1993-03-17 | Marconi Co Ltd | Television transmitter |
| US5345189A (en) * | 1993-09-20 | 1994-09-06 | Hewlett-Packard Company | Vectorial signal combiner for generating an amplitude modulated carrier by adding two phase modulated constant envelope carriers |
| US5365187A (en) * | 1993-10-29 | 1994-11-15 | Hewlett-Packard Company | Power amplifier utilizing the vector addition of two constant envelope carriers |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2210028A (en) * | 1936-04-01 | 1940-08-06 | Bell Telephone Labor Inc | Amplifier |
| US2548855A (en) * | 1946-12-11 | 1951-04-17 | Gen Electric | Phase shifting apparatus |
| US2703380A (en) * | 1949-09-21 | 1955-03-01 | Sperry Corp | Phase comparison apparatus for data transmission systems |
| US2774038A (en) * | 1952-10-08 | 1956-12-11 | Itt | Phase discriminator |
| US2751555A (en) * | 1951-10-03 | 1956-06-19 | Gen Electric | Extended-range phase comparator |
| US2763830A (en) * | 1955-02-18 | 1956-09-18 | Acton Lab Inc | Broad band secondary phase standard |
| US2990516A (en) * | 1956-05-29 | 1961-06-27 | John C Simons Jr | Pulse-width modulated amplifier and method |
| US3092736A (en) * | 1960-03-30 | 1963-06-04 | Lignes Telegraph Telephon | Plural signal frequency detector able to continuously distinguish whether frequency difference is positive or negative |
-
1963
- 1963-02-25 US US260758A patent/US3248663A/en not_active Expired - Lifetime
-
1964
- 1964-01-27 GB GB335564A patent/GB1050952A/en not_active Expired
- 1964-02-06 FR FR962917A patent/FR1381895A/fr not_active Expired
- 1964-02-06 BE BE643478A patent/BE643478A/xx unknown
- 1964-02-06 DE DEW36137A patent/DE1219091B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1050952A (es) | 1966-12-14 |
| FR1381895A (fr) | 1964-12-14 |
| DE1219091B (de) | 1966-06-16 |
| US3248663A (en) | 1966-04-26 |