GB937863A - Parametric amplifier - Google Patents
Parametric amplifierInfo
- Publication number
- GB937863A GB937863A GB5474/59A GB547459A GB937863A GB 937863 A GB937863 A GB 937863A GB 5474/59 A GB5474/59 A GB 5474/59A GB 547459 A GB547459 A GB 547459A GB 937863 A GB937863 A GB 937863A
- Authority
- GB
- United Kingdom
- Prior art keywords
- helix
- replaced
- oscillator
- wave
- helices
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- 230000004888 barrier function Effects 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/49—Tubes using the parametric principle, e.g. for parametric amplification
Landscapes
- Microwave Amplifiers (AREA)
- Microwave Tubes (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL135895D NL135895C (enrdf_load_stackoverflow) | 1959-02-17 | ||
NL248481D NL248481A (enrdf_load_stackoverflow) | 1959-02-17 | ||
GB5474/59A GB937863A (en) | 1959-02-17 | 1959-02-17 | Parametric amplifier |
CH161860A CH389038A (de) | 1959-02-17 | 1960-02-13 | Signalverstärkungsvorrichtung mit einer Elektronenbündelröhre |
DEN17888A DE1117780B (de) | 1959-02-17 | 1960-02-15 | Elektronenstrahlroehre nach dem parametrischen Prinzip zur Verstaerkung elektrischer Signale sehr hoher Frequenz |
BE587674A BE587674A (fr) | 1959-02-17 | 1960-02-16 | Dispositif amplificateur équipé d'un tube à faisceau électronique |
AT118260A AT216574B (de) | 1959-02-17 | 1960-02-16 | Signalverstärkungsvorrichtung sowie hiezu dienende Elektronenbündelröhre |
FR818737A FR1248808A (fr) | 1959-02-17 | 1960-02-17 | Tube à faisceau électronique et dispositif amplificateur équipé d'un tel tube |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5474/59A GB937863A (en) | 1959-02-17 | 1959-02-17 | Parametric amplifier |
GB547460A GB934149A (en) | 1959-02-17 | 1960-02-04 | Improvements in or relating to excavating and/or loading machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB937863A true GB937863A (en) | 1963-09-25 |
Family
ID=26239912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5474/59A Expired GB937863A (en) | 1959-02-17 | 1959-02-17 | Parametric amplifier |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT216574B (enrdf_load_stackoverflow) |
CH (1) | CH389038A (enrdf_load_stackoverflow) |
DE (1) | DE1117780B (enrdf_load_stackoverflow) |
FR (1) | FR1248808A (enrdf_load_stackoverflow) |
GB (1) | GB937863A (enrdf_load_stackoverflow) |
NL (2) | NL248481A (enrdf_load_stackoverflow) |
-
0
- NL NL135895D patent/NL135895C/xx active
- NL NL248481D patent/NL248481A/xx unknown
-
1959
- 1959-02-17 GB GB5474/59A patent/GB937863A/en not_active Expired
-
1960
- 1960-02-13 CH CH161860A patent/CH389038A/de unknown
- 1960-02-15 DE DEN17888A patent/DE1117780B/de active Pending
- 1960-02-16 AT AT118260A patent/AT216574B/de active
- 1960-02-17 FR FR818737A patent/FR1248808A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH389038A (de) | 1965-03-15 |
DE1117780B (de) | 1961-11-23 |
NL135895C (enrdf_load_stackoverflow) | |
NL248481A (enrdf_load_stackoverflow) | |
FR1248808A (fr) | 1960-12-23 |
AT216574B (de) | 1961-08-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2584597A (en) | Traveling wave tube | |
US2575383A (en) | High-frequency amplifying device | |
US2281717A (en) | Electron discharge apparatus | |
US2402184A (en) | Ultra high frequency electronic device contained within wave guides | |
US2652513A (en) | Microwave amplifier | |
GB865431A (en) | Beam-type tube | |
GB767078A (en) | Travelling wave tube | |
GB905417A (en) | Antenna | |
GB672770A (en) | High frequency electron discharge device and circuit | |
GB776952A (en) | Travelling-wave tube | |
US2806975A (en) | Transition from bifilar helix to waveguide for backward wave oscillator | |
GB937863A (en) | Parametric amplifier | |
GB1077846A (en) | Improvements in or relating to travelling wave amplifier tubes | |
US2540148A (en) | Ultra high frequency powerselective protective device | |
US2435804A (en) | Cavity resonator magnetron device | |
US2944181A (en) | Electron velocity modulation apparatus | |
GB823135A (en) | Improvements relating to velocity modulation electron discharge devices | |
US2489433A (en) | Radio-frequency coupling device | |
US2758244A (en) | Electron beam tubes | |
US2475646A (en) | Electron discharge device of the magnetron type | |
US2667597A (en) | Velocity modulated electron discharge device | |
US2892983A (en) | Antenna system and switch therefor | |
US2887608A (en) | Travelling wave tube | |
US2562738A (en) | Electron discharge apparatus for amplifying ultra high frequency waves | |
US2862137A (en) | Travelling wave tube |