EP2294597A4 - ROAMING WAVE TUBE WITH COUPLED CAVITY - Google Patents

ROAMING WAVE TUBE WITH COUPLED CAVITY

Info

Publication number
EP2294597A4
EP2294597A4 EP09759450A EP09759450A EP2294597A4 EP 2294597 A4 EP2294597 A4 EP 2294597A4 EP 09759450 A EP09759450 A EP 09759450A EP 09759450 A EP09759450 A EP 09759450A EP 2294597 A4 EP2294597 A4 EP 2294597A4
Authority
EP
European Patent Office
Prior art keywords
roaming
wave tube
coupled cavity
cavity
coupled
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.)
Granted
Application number
EP09759450A
Other languages
German (de)
French (fr)
Other versions
EP2294597A2 (en
EP2294597B1 (en
Inventor
Ruey-Jen Hwu
Laurence P Sadwick
Jishi Ren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Innosys Inc
Original Assignee
Innosys Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Innosys Inc filed Critical Innosys Inc
Publication of EP2294597A2 publication Critical patent/EP2294597A2/en
Publication of EP2294597A4 publication Critical patent/EP2294597A4/en
Application granted granted Critical
Publication of EP2294597B1 publication Critical patent/EP2294597B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • H01J23/18—Resonators
    • H01J23/20—Cavity resonators; Adjustment or tuning thereof
    • 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
    • H01J23/28—Interdigital slow-wave structures; Adjustment therefor
    • 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
    • H01J25/42—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and with a magnet system producing an H-field crossing the E-field
    • H01J25/44—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and with a magnet system producing an H-field crossing the E-field the forward travelling wave being utilised
EP20090759450 2008-06-05 2009-06-04 Coupled cavity traveling wave tube Not-in-force EP2294597B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5918208P 2008-06-05 2008-06-05
PCT/US2009/046305 WO2009149291A2 (en) 2008-06-05 2009-06-04 Coupled cavity traveling wave tube

Publications (3)

Publication Number Publication Date
EP2294597A2 EP2294597A2 (en) 2011-03-16
EP2294597A4 true EP2294597A4 (en) 2011-08-10
EP2294597B1 EP2294597B1 (en) 2015-05-20

Family

ID=41398871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090759450 Not-in-force EP2294597B1 (en) 2008-06-05 2009-06-04 Coupled cavity traveling wave tube

Country Status (3)

Country Link
EP (1) EP2294597B1 (en)
JP (1) JP5675596B2 (en)
WO (1) WO2009149291A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102064069B (en) * 2010-12-19 2012-08-08 电子科技大学 Energy coupling device suitable for rectangular-crossed double-gate slow-wave structure
JP6619447B2 (en) * 2015-12-18 2019-12-11 Ｎｅｃネットワーク・センサ株式会社 Slow wave circuit and traveling wave tube
CN112216579B (en) * 2020-09-28 2022-03-15 电子科技大学 A High-Order Return-Wave Oscillation Suppression Structure for Strip Injection Traveling Wave Tubes
US11961693B2 (en) * 2020-11-15 2024-04-16 Elve Inc. Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices
CN115440551B (en) * 2022-08-15 2024-11-15 中国电子科技集团公司第十二研究所 Ribbon-shaped symmetrical double-groove coupling cavity slow wave structure
CN116130319B (en) * 2023-02-23 2025-12-16 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） Slow wave structure of traveling wave tube and traveling wave tube

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768322A (en) * 1951-06-08 1956-10-23 Bell Telephone Labor Inc Interdigital filter circuit
US2889486A (en) * 1952-04-03 1959-06-02 Csf Interdigital delay line
DE1815800A1 (en) * 1968-12-19 1970-06-25 Siemens Ag Travel time tubes with high coupling resistance
US3646389A (en) * 1966-06-14 1972-02-29 Varian Associates Reactively loaded interdigital slow wave circuits having increased interaction impedance and tubes using same
US4409519A (en) * 1981-07-29 1983-10-11 Varian Associates, Inc. TWT Slow-wave structure assembled from three ladder-like slabs

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889386A (en) 1955-03-19 1959-06-02 Heraeus Gmbh W C Arc melting
US5231330A (en) * 1991-10-25 1993-07-27 Itt Corporation Digital helix for a traveling-wave tube and process for fabrication
JPH08102264A (en) * 1994-09-30 1996-04-16 Toshiba Corp Slow wave circuit structure of traveling wave tube
US6049249A (en) * 1997-09-08 2000-04-11 Hughes Electronics Corporation TWT with mismatched section for controlled gain variation with frequency
US6326730B1 (en) * 1998-11-16 2001-12-04 Litton Systems, Inc, Low-power wide-bandwidth klystron
JP3999111B2 (en) * 2002-11-26 2007-10-31 日本放送協会 Traveling wave tube amplifier and phased array antenna using the same
JP2004341947A (en) * 2003-05-16 2004-12-02 Ricoh Co Ltd Electronics

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768322A (en) * 1951-06-08 1956-10-23 Bell Telephone Labor Inc Interdigital filter circuit
US2889486A (en) * 1952-04-03 1959-06-02 Csf Interdigital delay line
US3646389A (en) * 1966-06-14 1972-02-29 Varian Associates Reactively loaded interdigital slow wave circuits having increased interaction impedance and tubes using same
DE1815800A1 (en) * 1968-12-19 1970-06-25 Siemens Ag Travel time tubes with high coupling resistance
US4409519A (en) * 1981-07-29 1983-10-11 Varian Associates, Inc. TWT Slow-wave structure assembled from three ladder-like slabs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009149291A2 *

Also Published As

Publication number Publication date
WO2009149291A2 (en) 2009-12-10
EP2294597A2 (en) 2011-03-16
JP2011523181A (en) 2011-08-04
EP2294597B1 (en) 2015-05-20
WO2009149291A3 (en) 2010-03-25
JP5675596B2 (en) 2015-02-25

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