FR2489588B1 - Tube a ondes progressives du type a helice, presentant une variation de gain reduite - Google Patents

Tube a ondes progressives du type a helice, presentant une variation de gain reduite

Info

Publication number
FR2489588B1
FR2489588B1 FR8116621A FR8116621A FR2489588B1 FR 2489588 B1 FR2489588 B1 FR 2489588B1 FR 8116621 A FR8116621 A FR 8116621A FR 8116621 A FR8116621 A FR 8116621A FR 2489588 B1 FR2489588 B1 FR 2489588B1
Authority
FR
France
Prior art keywords
propeller
wave tube
gain variation
reduced gain
type
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
Application number
FR8116621A
Other languages
English (en)
Other versions
FR2489588A1 (fr
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates 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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of FR2489588A1 publication Critical patent/FR2489588A1/fr
Application granted granted Critical
Publication of FR2489588B1 publication Critical patent/FR2489588B1/fr
Expired legal-status Critical Current

Links

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
FR8116621A 1980-09-02 1981-09-01 Tube a ondes progressives du type a helice, presentant une variation de gain reduite Expired FR2489588B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/183,541 US4358704A (en) 1980-09-02 1980-09-02 Helix traveling wave tubes with reduced gain variation

Publications (2)

Publication Number Publication Date
FR2489588A1 FR2489588A1 (fr) 1982-03-05
FR2489588B1 true FR2489588B1 (fr) 1985-08-30

Family

ID=22673247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8116621A Expired FR2489588B1 (fr) 1980-09-02 1981-09-01 Tube a ondes progressives du type a helice, presentant une variation de gain reduite

Country Status (7)

Country Link
US (1) US4358704A (fr)
JP (1) JPS5774943A (fr)
CA (1) CA1154867A (fr)
DE (1) DE3134588A1 (fr)
FR (1) FR2489588B1 (fr)
GB (1) GB2083280B (fr)
IT (1) IT1138192B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532109A1 (fr) * 1982-08-20 1984-02-24 Thomson Csf Tube a onde progressive comportant des moyens de suppression des oscillations parasites
JPS5979957U (ja) * 1982-11-18 1984-05-30 日本電気株式会社 分割形らせん遅波回路構体
US4558257A (en) * 1983-12-23 1985-12-10 English Electric Valve Company, Limited Travelling wave tube arrangements
US5162697A (en) * 1990-08-06 1992-11-10 Hughes Aircraft Company Traveling wave tube with gain flattening slow wave structure
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
US6747412B2 (en) * 2001-05-11 2004-06-08 Bernard K. Vancil Traveling wave tube and method of manufacture
JP5140868B2 (ja) * 2007-07-06 2013-02-13 株式会社ネットコムセック 進行波管
JP2014197471A (ja) * 2013-03-29 2014-10-16 株式会社ネットコムセック 電子管
CN106935456B (zh) * 2017-04-25 2019-01-15 中国电子科技集团公司第十二研究所 一种基于分段串联式慢波系统的螺旋线行波管

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL187903B (nl) * 1953-06-05 Mead Corp Inrichting voor het gespatieerd toevoeren van bekervormige houders.
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
DE1491530B2 (de) * 1964-07-23 1971-11-04 Lauffeldroehre
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
US3414844A (en) * 1965-12-06 1968-12-03 Gen Electric Frequency dependent wave transmission device
US3440555A (en) * 1966-03-21 1969-04-22 Us Navy Shaped-loss attenuator for equalizing the gain of a traveling wave tube amplifier
US3437866A (en) * 1966-06-14 1969-04-08 Sfd Lab Inc Non-reflective internal lossy terminations for slow wave circuits and tubes using same
US3510720A (en) * 1967-07-03 1970-05-05 Varian Associates Traveling wave tubes having frequency dependent attenuative gain equalizers
US3548344A (en) * 1967-07-28 1970-12-15 Varian Associates Stripline gain equalizer
US3538377A (en) * 1968-04-22 1970-11-03 Varian Associates Traveling wave amplifier having an upstream wave reflective gain control element
US3522561A (en) * 1969-01-02 1970-08-04 David J Liu Pyrolytic graphite waveguide utilizing the anisotropic electrical conductivity properties of pyrolytic graphite
US3832593A (en) * 1972-06-28 1974-08-27 Siemens Ag Selectively damped travelling wave tube
GB1442706A (en) * 1974-06-25 1976-07-14 Malyshev L M Indrupsky L J Gus Vuel injection pump assemblies for internal combustion engines
US4158791A (en) * 1977-02-10 1979-06-19 Varian Associates, Inc. Helix traveling wave tubes with resonant loss
US4282457A (en) * 1979-06-18 1981-08-04 Raytheon Company Backward wave suppressor
US4292567A (en) * 1979-11-28 1981-09-29 Varian Associates, Inc. In-band resonant loss in TWT's
US4296354A (en) * 1979-11-28 1981-10-20 Varian Associates, Inc. Traveling wave tube with frequency variable sever length

Also Published As

Publication number Publication date
DE3134588A1 (de) 1982-06-16
IT1138192B (it) 1986-09-17
CA1154867A (fr) 1983-10-04
FR2489588A1 (fr) 1982-03-05
JPS5774943A (en) 1982-05-11
IT8123739A0 (it) 1981-09-02
GB2083280B (en) 1984-11-14
GB2083280A (en) 1982-03-17
US4358704A (en) 1982-11-09

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse