BE472799A - - Google Patents
Info
- Publication number
- BE472799A BE472799A BE472799DA BE472799A BE 472799 A BE472799 A BE 472799A BE 472799D A BE472799D A BE 472799DA BE 472799 A BE472799 A BE 472799A
- 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
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/14—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means
- H03F1/16—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means in discharge-tube amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
- H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
- H03C1/22—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to same grid
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
- H03F3/52—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microwave Amplifiers (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR856061T | 1939-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472799A true BE472799A (de) | 1947-10-29 |
Family
ID=37668267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472799D BE472799A (de) | 1939-02-14 | 1947-04-25 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2431333A (de) |
| BE (1) | BE472799A (de) |
| CH (1) | CH261238A (de) |
| FR (1) | FR856061A (de) |
| GB (1) | GB538206A (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR959970A (de) * | 1946-10-18 | 1950-04-07 | ||
| GB655747A (en) * | 1948-11-04 | 1951-08-01 | Emi Ltd | Improvements relating to circuit arrangements for amplifying amplitude modulated oscillations |
| US2662124A (en) * | 1949-06-01 | 1953-12-08 | Bell Telephone Labor Inc | Transistor amplifier circuit |
| US2659773A (en) * | 1949-06-07 | 1953-11-17 | Bell Telephone Labor Inc | Inverted grounded emitter transistor amplifier |
| US2659774A (en) * | 1949-06-07 | 1953-11-17 | Bell Telephone Labor Inc | Bidirectional transistor amplifier |
| US2681953A (en) * | 1951-01-23 | 1954-06-22 | Int Standard Electric Corp | Neutralizing circuit for groundedgrid amplifiers |
| US2691078A (en) * | 1951-05-17 | 1954-10-05 | Rca Corp | Neutralizing circuits for highfrequency amplifiers |
| US2763776A (en) * | 1951-10-18 | 1956-09-18 | Avco Mfg Corp | Ultrahigh-frequency converter for very-high-frequency television receiver |
| US2913539A (en) * | 1953-10-02 | 1959-11-17 | Rca Corp | Wide band signal amplifier circuit |
| US2799736A (en) * | 1953-11-03 | 1957-07-16 | Standard Coil Prod Co Inc | Radio frequency amplifier |
| US2795655A (en) * | 1954-10-07 | 1957-06-11 | Standard Coil Prod Co Inc | Regenerative compensation of radio frequency amplifiers |
| US2890291A (en) * | 1955-01-27 | 1959-06-09 | Hoffman Electronics Corp | Linear high-gain amplifier circuits or the like |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2226074A (en) * | 1938-08-05 | 1940-12-24 | Gen Electric | Amplifier |
| US2247442A (en) * | 1939-07-29 | 1941-07-01 | Western Electric Co | Neutralizing arrangement for amplifiers |
| US2299481A (en) * | 1940-03-26 | 1942-10-20 | Western Electric Co | Neutralizing system |
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1939
- 1939-02-14 FR FR856061D patent/FR856061A/fr not_active Expired
-
1940
- 1940-02-09 GB GB2537/40A patent/GB538206A/en not_active Expired
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1943
- 1943-05-31 US US489113A patent/US2431333A/en not_active Expired - Lifetime
-
1947
- 1947-02-15 CH CH261238D patent/CH261238A/de unknown
- 1947-04-25 BE BE472799D patent/BE472799A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2431333A (en) | 1947-11-25 |
| CH261238A (de) | 1949-04-30 |
| FR856061A (fr) | 1940-05-27 |
| GB538206A (en) | 1941-07-24 |