IT7820152A0 - Tubi ad onda progressiva del tipo ad elica con perdita di risonanza. - Google Patents
Tubi ad onda progressiva del tipo ad elica con perdita di risonanza.Info
- Publication number
- IT7820152A0 IT7820152A0 IT7820152A IT2015278A IT7820152A0 IT 7820152 A0 IT7820152 A0 IT 7820152A0 IT 7820152 A IT7820152 A IT 7820152A IT 2015278 A IT2015278 A IT 2015278A IT 7820152 A0 IT7820152 A0 IT 7820152A0
- Authority
- IT
- Italy
- Prior art keywords
- wave tubes
- progressive wave
- helix type
- resonance loss
- resonance
- Prior art date
Links
- 230000000750 progressive effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J23/24—Slow-wave structures, e.g. delay systems
- H01J23/30—Damping arrangements associated with slow-wave structures, e.g. for suppression of unwanted oscillations
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/767,239 US4158791A (en) | 1977-02-10 | 1977-02-10 | Helix traveling wave tubes with resonant loss |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7820152A0 true IT7820152A0 (it) | 1978-02-10 |
IT1093279B IT1093279B (it) | 1985-07-19 |
Family
ID=25078902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20152/78A IT1093279B (it) | 1977-02-10 | 1978-02-10 | Tubi ad onda progressiva del tipo ad alica con perdita di risonanza |
Country Status (7)
Country | Link |
---|---|
US (1) | US4158791A (it) |
JP (1) | JPS5399758A (it) |
CA (1) | CA1099817A (it) |
DE (1) | DE2804717A1 (it) |
FR (1) | FR2380633A1 (it) |
IL (1) | IL53941A0 (it) |
IT (1) | IT1093279B (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4282457A (en) * | 1979-06-18 | 1981-08-04 | Raytheon Company | Backward wave suppressor |
US4296354A (en) * | 1979-11-28 | 1981-10-20 | Varian Associates, Inc. | Traveling wave tube with frequency variable sever length |
US4292567A (en) * | 1979-11-28 | 1981-09-29 | Varian Associates, Inc. | In-band resonant loss in TWT's |
US4358704A (en) * | 1980-09-02 | 1982-11-09 | Varian Associates, Inc. | Helix traveling wave tubes with reduced gain variation |
FR2532109A1 (fr) * | 1982-08-20 | 1984-02-24 | Thomson Csf | Tube a onde progressive comportant des moyens de suppression des oscillations parasites |
DE3407206A1 (de) * | 1984-02-28 | 1985-08-29 | Siemens AG, 1000 Berlin und 8000 München | Wanderfeldroehre und verfahren zu deren herstellung |
DE3629474A1 (de) * | 1986-08-29 | 1988-03-03 | Licentia Gmbh | Verfahren zum aufbringen erhabener strukturen und danach hergestellter verzoegerungsleitungstraeger einer lauffeldroehre |
US5210464A (en) * | 1991-05-15 | 1993-05-11 | The United States Of America As Represented By The Department Of Energy | Cavity resonance absorption in ultra-high bandwidth CRT deflection structure by a resistive load |
KR101697039B1 (ko) * | 2007-02-21 | 2017-01-16 | 테라피직스 코포레이션 | 고주파 나선 증폭기와 발진기 |
JP5140868B2 (ja) * | 2007-07-06 | 2013-02-13 | 株式会社ネットコムセック | 進行波管 |
CN106206218B (zh) * | 2016-07-14 | 2018-03-23 | 中国电子科技集团公司第十二研究所 | 一种角向非对称螺旋线慢波结构及该慢波结构的制造方法 |
US10491174B1 (en) * | 2017-04-25 | 2019-11-26 | Calabazas Creek Research, Inc. | Multi-beam power grid tube for high power and high frequency operation |
FR3074364B1 (fr) * | 2017-11-28 | 2019-10-25 | Thales | Charge interne pour tube a ondes progressives utilisant une ligne a retard en guide replie |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2900557A (en) * | 1954-08-26 | 1959-08-18 | Gen Electric | Traveling wave directional attenuator |
US2994008A (en) * | 1954-10-25 | 1961-07-25 | Itt | Traveling wave electron discharge device |
US2921224A (en) * | 1954-12-06 | 1960-01-12 | Bell Telephone Labor Inc | Traveling wave tube amplifier |
US2971114A (en) * | 1959-07-23 | 1961-02-07 | Daniel G Dow | Helically-strapped multifilar helices |
US3293482A (en) * | 1962-06-21 | 1966-12-20 | Rca Corp | Plural output traveling wave tube |
US3368103A (en) * | 1964-05-20 | 1968-02-06 | Rca Corp | Resistor comprising spaced metal coatings on a resistive layer and traveling wave tube utilizing the same |
GB1038845A (en) * | 1964-07-30 | 1966-08-10 | M O Valve Co Ltd | Improvements in or relating to travelling wave tubes |
US3397339A (en) * | 1965-04-30 | 1968-08-13 | Varian Associates | Band edge oscillation suppression techniques for high frequency electron discharge devices incorporating slow wave circuits |
FR2075837A1 (it) * | 1969-12-16 | 1971-10-15 | Thomson Csf | |
US3670197A (en) * | 1971-02-25 | 1972-06-13 | Raytheon Co | Delay line structure for traveling wave devices |
DE2205645C3 (de) * | 1972-02-07 | 1975-05-07 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Selektiv bedämpfte Wanderfeldröhre |
US3832593A (en) * | 1972-06-28 | 1974-08-27 | Siemens Ag | Selectively damped travelling wave tube |
-
1977
- 1977-02-10 US US05/767,239 patent/US4158791A/en not_active Expired - Lifetime
-
1978
- 1978-01-25 FR FR7802039A patent/FR2380633A1/fr active Pending
- 1978-01-31 IL IL53941A patent/IL53941A0/xx unknown
- 1978-02-03 DE DE19782804717 patent/DE2804717A1/de not_active Withdrawn
- 1978-02-06 CA CA296,346A patent/CA1099817A/en not_active Expired
- 1978-02-10 IT IT20152/78A patent/IT1093279B/it active
- 1978-02-10 JP JP1367978A patent/JPS5399758A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT1093279B (it) | 1985-07-19 |
FR2380633A1 (fr) | 1978-09-08 |
US4158791A (en) | 1979-06-19 |
CA1099817A (en) | 1981-04-21 |
JPS5399758A (en) | 1978-08-31 |
DE2804717A1 (de) | 1978-08-17 |
IL53941A0 (en) | 1978-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960227 |