BE469438A - - Google Patents
Info
- Publication number
- BE469438A BE469438A BE469438DA BE469438A BE 469438 A BE469438 A BE 469438A BE 469438D A BE469438D A BE 469438DA BE 469438 A BE469438 A BE 469438A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/10—Auxiliary devices for switching or interrupting
- H01P1/14—Auxiliary devices for switching or interrupting by electric discharge devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/78—One or more circuit elements structurally associated with the tube
- H01J19/80—Structurally associated resonator having distributed inductance and capacitance
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
- H03B5/1817—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator
- H03B5/1835—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator the active element in the amplifier being a vacuum tube
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- 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
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- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA450478T | |||
| US412559A US2426185A (en) | 1941-09-27 | 1941-09-27 | Translation of microwaves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE469438A true BE469438A (OSRAM) | 1946-12-31 |
Family
ID=74043497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE469438D BE469438A (OSRAM) | 1941-09-27 | 1946-11-26 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2426185A (OSRAM) |
| BE (1) | BE469438A (OSRAM) |
| CA (1) | CA450478A (OSRAM) |
| DE (1) | DE831418C (OSRAM) |
| FR (1) | FR938430A (OSRAM) |
| GB (1) | GB592402A (OSRAM) |
| NL (1) | NL66227C (OSRAM) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE477660A (OSRAM) * | 1943-12-28 | |||
| US2523307A (en) * | 1944-10-28 | 1950-09-26 | Standard Telephones Cables Ltd | Feedback coupling circuit |
| US2615998A (en) * | 1948-01-31 | 1952-10-28 | Fed Telephone & Radio Corp | Multistage cascade amplifier |
| CH309019A (de) * | 1952-12-30 | 1955-08-15 | Patelhold Patentverwertung | Abstimmeinrichtung für Einkreis-Magnetron. |
| US2775660A (en) * | 1953-12-02 | 1956-12-25 | Standard Electronics Corp | Filament lead-in and impedance matching structure for a grounded grid amplifier |
| US2790857A (en) * | 1954-04-01 | 1957-04-30 | Rca Corp | Output or input circuits for vacuum tubes |
| DE951641C (de) * | 1954-12-21 | 1956-10-31 | Sachsenwerk Radeberg Veb | Eingangsschaltung fuer Dezimeterverstaerker, insbesondere fuer Leistungsstufen mit koaxialer Eingangsschaltung |
| US2896075A (en) * | 1955-05-12 | 1959-07-21 | Sylvania Electric Prod | Branched coaxial waveguide structure utilizing fine resistive wire coupling |
| DE1063656B (de) * | 1958-03-28 | 1959-08-20 | Telefunken Gmbh | Brueckenschaltung zur Entkopplung der Oszillatorstoerspannung bei Gitterbasis-Vorstufen, bei denen der anodenseitige Schwingkreis als Topfkreis aus der Reihenschaltung der Gitter-Anoden-Kapazitaet, einer Abstimminduktivitaet und einer Abstimmkapazitaet gebildet ist |
| EP2053738A1 (en) * | 2007-10-25 | 2009-04-29 | Alcatel Lucent | Amplifier with adjustable frequency band |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2153728A (en) * | 1936-10-07 | 1939-04-11 | American Telephone & Telegraph | Ultra high frequency signaling |
| US2247216A (en) * | 1938-04-27 | 1941-06-24 | Rca Corp | Resonant line control oscillation generator |
| US2247218A (en) * | 1938-04-28 | 1941-06-24 | Rca Corp | Neutralizing circuits employing resonant lines |
-
0
- CA CA450478A patent/CA450478A/en not_active Expired
-
1941
- 1941-09-27 US US412559A patent/US2426185A/en not_active Expired - Lifetime
-
1944
- 1944-01-31 GB GB1817/44A patent/GB592402A/en not_active Expired
-
1946
- 1946-09-28 FR FR938430D patent/FR938430A/fr not_active Expired
- 1946-11-13 NL NL128742A patent/NL66227C/xx active
- 1946-11-26 BE BE469438D patent/BE469438A/xx unknown
-
1948
- 1948-12-31 DE DEP28895A patent/DE831418C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE831418C (de) | 1952-02-14 |
| FR938430A (fr) | 1948-09-15 |
| GB592402A (en) | 1947-09-17 |
| US2426185A (en) | 1947-08-26 |
| CA450478A (en) | 1948-08-10 |
| NL66227C (OSRAM) | 1950-03-15 |