NL79855C - - Google Patents
Info
- Publication number
- NL79855C NL79855C NL79855DA NL79855C NL 79855 C NL79855 C NL 79855C NL 79855D A NL79855D A NL 79855DA NL 79855 C NL79855 C NL 79855C
- Authority
- NL
- Netherlands
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
- H03F1/07—Doherty-type amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/50—Amplitude modulation by converting angle modulation to amplitude modulation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US125025A US2658959A (en) | 1949-11-02 | 1949-11-02 | High efficiency radio-frequency power amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL79855C true NL79855C (nl) |
Family
ID=22417885
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL79855D NL79855C (nl) | 1949-11-02 | ||
| NL7115092.A NL156682B (nl) | 1949-11-02 | Werkwijze voor de bereiding van geneeskrachtige dibenzocycloalkylderivaten, werkwijze voor de bereiding van een geneesmiddel hieruit en gevormd geneesmiddel. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7115092.A NL156682B (nl) | 1949-11-02 | Werkwijze voor de bereiding van geneeskrachtige dibenzocycloalkylderivaten, werkwijze voor de bereiding van een geneesmiddel hieruit en gevormd geneesmiddel. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2658959A (nl) |
| DE (1) | DE836509C (nl) |
| FR (1) | FR1027429A (nl) |
| GB (1) | GB678777A (nl) |
| NL (2) | NL156682B (nl) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2836665A (en) * | 1957-08-29 | 1958-05-27 | James O Weldon | Amplifiers |
| DE1283306B (de) * | 1962-03-05 | 1968-11-21 | Standard Elektrik Lorenz Ag | Schaltungsanordnung fuer Hochfrequenz-Resonanzverstaerker |
| JPH05333082A (ja) * | 1992-05-30 | 1993-12-17 | Yokogawa Hewlett Packard Ltd | 平衡信号供給回路 |
| US5416451A (en) * | 1993-09-22 | 1995-05-16 | Motorola, Inc. | Circuit and method for balun compensation |
| EP2323253A1 (en) * | 2009-10-26 | 2011-05-18 | Alcatel Lucent | Doherty power amplifiers |
| US8912846B2 (en) | 2011-07-25 | 2014-12-16 | Kathrein-Werke Kg | Doherty amplifier arrangement |
| US20130127542A1 (en) | 2011-11-17 | 2013-05-23 | Lothar Schmidt | Active antenna arrangement with doherty amplifier |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR845728A (fr) * | 1938-04-30 | 1939-08-31 | Le Transformateur | Dispositif pour la modulation d'une oscillation de haute fréquence ou pour l'amplification d'une oscillation de haute fréquence modulée |
| NL57174C (nl) * | 1938-12-02 | |||
| US2282706A (en) * | 1938-12-29 | 1942-05-12 | Csf | Modulated wave amplifier |
| BE441445A (nl) * | 1939-06-10 | |||
| US2248132A (en) * | 1940-01-27 | 1941-07-08 | Rca Corp | Frequency modulation |
-
0
- NL NL79855D patent/NL79855C/xx active
- NL NL7115092.A patent/NL156682B/nl unknown
-
1949
- 1949-11-02 US US125025A patent/US2658959A/en not_active Expired - Lifetime
-
1950
- 1950-10-20 FR FR1027429D patent/FR1027429A/fr not_active Expired
- 1950-11-02 GB GB26727/50A patent/GB678777A/en not_active Expired
- 1950-11-03 DE DEW4424A patent/DE836509C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL156682B (nl) | |
| DE836509C (de) | 1952-04-15 |
| US2658959A (en) | 1953-11-10 |
| FR1027429A (fr) | 1953-05-12 |
| GB678777A (en) | 1952-09-10 |