IT8123739A0 - Tubo elicoidale ad onde progressive con variazione di guadagno ridotto. - Google Patents

Tubo elicoidale ad onde progressive con variazione di guadagno ridotto.

Info

Publication number
IT8123739A0
IT8123739A0 IT8123739A IT2373981A IT8123739A0 IT 8123739 A0 IT8123739 A0 IT 8123739A0 IT 8123739 A IT8123739 A IT 8123739A IT 2373981 A IT2373981 A IT 2373981A IT 8123739 A0 IT8123739 A0 IT 8123739A0
Authority
IT
Italy
Prior art keywords
helical tube
gain variation
progressive wave
reduced gain
wave helical
Prior art date
Application number
IT8123739A
Other languages
English (en)
Other versions
IT1138192B (it
Inventor
Ernest Allan Conquest
Original Assignee
Varian Associates
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 filed Critical Varian Associates
Publication of IT8123739A0 publication Critical patent/IT8123739A0/it
Application granted granted Critical
Publication of IT1138192B publication Critical patent/IT1138192B/it

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/16Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/24Slow-wave structures, e.g. delay systems
    • H01J23/30Damping arrangements associated with slow-wave structures, e.g. for suppression of unwanted oscillations
IT23739/81A 1980-09-02 1981-09-02 Tubo elicoidale ad onde progressive con variazione di guadagno ridotto IT1138192B (it)

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
IT8123739A0 true IT8123739A0 (it) 1981-09-02
IT1138192B IT1138192B (it) 1986-09-17

Family

ID=22673247

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23739/81A IT1138192B (it) 1980-09-02 1981-09-02 Tubo elicoidale ad onde progressive con variazione di guadagno ridotto

Country Status (7)

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

Families Citing this family (10)

* 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
RU2353016C1 (ru) * 2007-09-06 2009-04-20 Федеральное государственное унитарное предприятие "Научно-производственное предприятие "Алмаз" (ФГУП "НПП "Алмаз") Вакуумный усилительный свч-прибор с длительным взаимодействием
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
FR2489588A1 (fr) 1982-03-05
DE3134588A1 (de) 1982-06-16
FR2489588B1 (fr) 1985-08-30
GB2083280B (en) 1984-11-14
US4358704A (en) 1982-11-09
GB2083280A (en) 1982-03-17
JPS5774943A (en) 1982-05-11
CA1154867A (en) 1983-10-04
IT1138192B (it) 1986-09-17

Similar Documents

Publication Publication Date Title
IT8421577A0 (it) Tubo di acciaio rivestito con polipropilene.
AT385014B (de) Tauchrohr
IT7919135A0 (it) Tubo metallico ad alette.
FI820784A7 (fi) Mikroaaltovastaanottolaite.
EP0085110A4 (en) High frequency heater.
IT8121570A0 (it) Tubo acceleratore di neutroni avente una sezione bersaglio perfezionata.
IT8123739A0 (it) Tubo elicoidale ad onde progressive con variazione di guadagno ridotto.
NL191274B (nl) Afstemeenheid.
BR8102627A (pt) Tubo de raios catodicos de feixes eletronicos multiplos
FI800226A7 (fi) Putkielektrodi.
NL187367C (nl) Samenstel van buizen en koppelstukken.
IT7924636A0 (it) Tubo ad onda progressiva.
ES258145Y (es) Tubo inhalador .
IT7926722A0 (it) Raccordo per tubo.
MX156605A (es) Separador en espiral mejorado
BE887017A (fr) Tube ondule souple
NO821808L (no) Sliss-antenne.
IT1148532B (it) Tubo ad onde progressive con dispositivi per sopprimere onde regressive
IT8121487A0 (it) Tubo acceleratore di neutroni avente una sezione di ionizzazione perfezionata.
IT7920323A0 (it) Tubo galleggiante.
IT8124839A0 (it) Scambiatore di calore con un tubo doppio elicoidale.
BE891969A (fr) Tube isolant
IT8120075A0 (it) Eccitatore per antenna con caratteristica di radiazione ellittica.
IT7919947A0 (it) Raccordo di tubo.
IT8121488A0 (it) Tubo acceleratore di neutroni avente una sezione di ionizzazione perfezionata.

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950927