SE325340B - - Google Patents
Info
- Publication number
- SE325340B SE325340B SE09480/64A SE948064A SE325340B SE 325340 B SE325340 B SE 325340B SE 09480/64 A SE09480/64 A SE 09480/64A SE 948064 A SE948064 A SE 948064A SE 325340 B SE325340 B SE 325340B
- Authority
- SE
- Sweden
- Prior art keywords
- anode
- tube
- screen grid
- kovar
- aug
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
-
- 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
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/32—Anodes
- H01J19/34—Anodes forming part of the envelope
-
- 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
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/065—Devices for short wave tubes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0002—Construction arrangements of electrode systems
- H01J2893/0003—Anodes forming part of vessel walls
Landscapes
- Microwave Tubes (AREA)
Abstract
1,076,313. Thermionic valves. COMPAGNIE FRANCAISE THOMSON-HOUSTON. Aug. 4, 1964 [Aug. 6, 1963], No. 30452/64. Heading H1D. In an electron tube comprising a number of coaxial, annular electrodes 1, 2, 3 having electrode terminals 5, 6, 7 connectable outside the tube with corresponding coaxial conductors forming resonant circuits therewith, at least one annular element 9 is arranged within the tube, coaxially between two electrodes, to provide a circumferential path of relatively high electrical resistance for damping out unwanted TE mode oscillation in the resonant circuits. As shown, a triode comprises a modesuppressor element 9 in the form of two semicircular wires of " Kovar " (Trade Mark) connected at their ends to anode 3. Alternatively a continuous " Kovar " ring may be supported between the grids of a tetrode valve by three posts secured to the screen grid, Figs. 3 and 4 (not shown), or between the screen grid and anode. The element 9 should have a total circumferential resistance of at least 10 ohms for alternating currents in the operating frequency range above 1000 Mc., and may contact an electrode over its whole circumference. Also two suppressor elements 9 may be provided, one between the cathode and control grid, and the other between the screen grid and anode of a tetrode.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR943858A FR1373741A (en) | 1963-08-06 | 1963-08-06 | Improvements to electron tubes for very high frequencies |
Publications (1)
Publication Number | Publication Date |
---|---|
SE325340B true SE325340B (en) | 1970-06-29 |
Family
ID=8809977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE09480/64A SE325340B (en) | 1963-08-06 | 1964-08-05 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3381166A (en) |
CH (1) | CH403089A (en) |
FR (1) | FR1373741A (en) |
GB (1) | GB1076313A (en) |
NL (1) | NL149034B (en) |
OA (1) | OA00164A (en) |
SE (1) | SE325340B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2116725A5 (en) * | 1970-12-04 | 1972-07-21 | Thomson Csf | |
FR2163902A5 (en) * | 1971-12-06 | 1973-07-27 | Thomson Csf | |
DE3562690D1 (en) * | 1984-02-07 | 1988-06-16 | Bbc Brown Boveri & Cie | High-power electron tube |
FR2708785B1 (en) * | 1993-07-30 | 1995-09-01 | Thomson Tubes Electroniques | Interference wave attenuation device for electronic tube and electronic tube comprising this device. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2502456A (en) * | 1943-04-02 | 1950-04-04 | Sperry Corp | Ultra high frequency discriminator and apparatus |
IT500027A (en) * | 1951-12-04 | 1900-01-01 | Telefunken Gmbh | |
US2867726A (en) * | 1956-09-18 | 1959-01-06 | Eitel Mccullough Inc | Radio frequency generator |
US3209276A (en) * | 1961-05-25 | 1965-09-28 | Roger H Fricke | Microwave cavity having plural capacitance probes which act as a mode separator |
-
1963
- 1963-08-06 FR FR943858A patent/FR1373741A/en not_active Expired
-
1964
- 1964-07-09 US US381380A patent/US3381166A/en not_active Expired - Lifetime
- 1964-07-15 OA OA50197A patent/OA00164A/en unknown
- 1964-08-04 GB GB30452/64A patent/GB1076313A/en not_active Expired
- 1964-08-05 SE SE09480/64A patent/SE325340B/xx unknown
- 1964-08-06 NL NL646409007A patent/NL149034B/en unknown
- 1964-08-06 CH CH1028964A patent/CH403089A/en unknown
Also Published As
Publication number | Publication date |
---|---|
US3381166A (en) | 1968-04-30 |
FR1373741A (en) | 1964-10-02 |
NL6409007A (en) | 1965-02-08 |
OA00164A (en) | 1966-03-15 |
GB1076313A (en) | 1967-07-19 |
NL149034B (en) | 1976-03-15 |
CH403089A (en) | 1965-11-30 |
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