BE477660A - - Google Patents
Info
- Publication number
- BE477660A BE477660A BE477660DA BE477660A BE 477660 A BE477660 A BE 477660A BE 477660D A BE477660D A BE 477660DA BE 477660 A BE477660 A BE 477660A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0138—Electrical filters or coupling circuits
- H03H7/0146—Coupling circuits between two tubes, not otherwise provided for
-
- 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
- H03F1/42—Modifications of amplifiers to extend the bandwidth
- H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
- H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1775—Parallel LC in shunt or branch path
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Networks Using Active Elements (AREA)
- Hybrid Cells (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB21765/43A GB588292A (en) | 1943-12-28 | 1943-12-28 | Improvements relating to wide frequency band radio amplifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477660A true BE477660A (it) |
Family
ID=10168413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477660D BE477660A (it) | 1943-12-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2524821A (it) |
| BE (1) | BE477660A (it) |
| ES (1) | ES178574A1 (it) |
| FR (1) | FR933247A (it) |
| GB (1) | GB588292A (it) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL84056C (it) * | 1948-02-14 | |||
| US2775656A (en) * | 1950-09-27 | 1956-12-25 | Emi Ltd | Electron discharge tube amplifiers |
| US2775659A (en) * | 1951-02-20 | 1956-12-25 | Standard Coil Prod Co Inc | Cascode circuits |
| BE510399A (it) * | 1951-04-04 | |||
| US2756283A (en) * | 1951-11-13 | 1956-07-24 | Rca Corp | Cathode input amplifiers |
| US2753525A (en) * | 1952-08-20 | 1956-07-03 | Itt | Pulsed r. f. amplifier |
| US2747138A (en) * | 1952-10-24 | 1956-05-22 | Bell Telephone Labor Inc | Broad band amplifier devices |
| DE1105483B (de) * | 1952-11-27 | 1961-04-27 | Telefunken Patent | Schaltung zur additiven Mischung von elektromagnetischen Schwingungen |
| US2760060A (en) * | 1952-12-11 | 1956-08-21 | Rca Corp | Ultra-high frequency converter system having crystal diode mixer |
| US2759101A (en) * | 1953-03-18 | 1956-08-14 | Lab For Electronics Inc | High frequency apparatus |
| US2803710A (en) * | 1953-04-21 | 1957-08-20 | Itt | Tuned high frequency amplifier |
| US2802066A (en) * | 1953-07-01 | 1957-08-06 | Rca Corp | Wide-band high frequency amplifier |
| US2751443A (en) * | 1953-09-28 | 1956-06-19 | Bendix Aviat Corp | Coaxial low-noise amplifier |
| US2902546A (en) * | 1954-04-22 | 1959-09-01 | Rca Corp | Tuned amplifier neutralization system |
| US2817719A (en) * | 1955-12-30 | 1957-12-24 | Collins Radio Co | U. h. f. low noise amplifier |
| US2930936A (en) * | 1956-08-02 | 1960-03-29 | M aker | |
| US3098208A (en) * | 1958-09-29 | 1963-07-16 | Gen Electric | Coupling circuit for connecting together two resonant circuits and tuning the whole over a band of frequencies |
| US3155918A (en) * | 1960-12-08 | 1964-11-03 | Gen Electric | Coupling grid means for grounded grid amplifier |
| US3244998A (en) * | 1963-07-10 | 1966-04-05 | Collins Radio Co | Impedance matched broad band transistor amplifier |
| US3641452A (en) * | 1970-07-02 | 1972-02-08 | Willie L Steed | Pi-coupled low-noise amplifier |
| FR2129834B1 (it) * | 1971-03-16 | 1974-04-26 | Jeumont Schneider |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1896534A (en) * | 1927-05-13 | 1933-02-07 | Gen Electric | Electrical system |
| NL43144C (it) * | 1934-10-04 | |||
| NL49003C (it) * | 1936-09-12 | |||
| US2143671A (en) * | 1937-06-04 | 1939-01-10 | Rca Corp | Ultra short wave circuit |
| US2284529A (en) * | 1939-08-04 | 1942-05-26 | Bell Telephone Labor Inc | Wave transmission network |
| US2321521A (en) * | 1941-01-10 | 1943-06-08 | Farnsworth Television & Radio | Frequency band filter |
| BE480316A (it) * | 1941-05-10 | |||
| CA450478A (en) * | 1941-09-27 | 1948-08-10 | Humphrey Doherty William | Translation of microwaves |
-
0
- BE BE477660D patent/BE477660A/xx unknown
-
1943
- 1943-12-28 GB GB21765/43A patent/GB588292A/en not_active Expired
-
1945
- 1945-03-05 US US581098A patent/US2524821A/en not_active Expired - Lifetime
-
1946
- 1946-09-04 FR FR933247D patent/FR933247A/fr not_active Expired
-
1947
- 1947-06-20 ES ES0178574A patent/ES178574A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2524821A (en) | 1950-10-10 |
| ES178574A1 (es) | 1947-08-16 |
| FR933247A (fr) | 1948-04-14 |
| GB588292A (en) | 1947-05-20 |