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
Application number
IT7820152A
Other languages
English (en)
Other versions
IT1093279B (it
Inventor
Erling Louis Lien
Allan Woodburn Scott
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 IT7820152A0 publication Critical patent/IT7820152A0/it
Application granted granted Critical
Publication of IT1093279B publication Critical patent/IT1093279B/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
IT20152/78A 1977-02-10 1978-02-10 Tubi ad onda progressiva del tipo ad alica con perdita di risonanza IT1093279B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
IT7820152A0 (it) Tubi ad onda progressiva del tipo ad elica con perdita di risonanza.
IT1109862B (it) Tubo metallico ad alette
IT982988B (it) Apparecchio di assemblaggio per tubi piegati
IT1124893B (it) Circuito a microstrisce,di tipo sospeso,per la propagazione di un modo d'onda dispari
BR8001498A (pt) Circuito de correcao de forma de onda
IT1140356B (it) Procedimento per la fabbricazione di uno scambiatore di calore,con almeno un tubo piatto curvato
IT1104987B (it) Estrattore di pezzi di forma allungata,particolarmente di tubi scambiatori di calore
IT8022698V0 (it) Asta di tubo rotondo per utensili domestici.
IT1136146B (it) Scambiatore di calore con tubi piatti
IT7949063A0 (it) Procedimento per la ripulitura di tubi di forni dai depositi interni di coke
IT1120865B (it) Struttura di parete in tubi raffred data con acqua per forni di fusione ad arco
IT7924636A0 (it) Tubo ad onda progressiva.
IT1098949B (it) Scaldacqua a passaggio con assorbitore di risonanza
IT1088685B (it) Accoppiamento rotante senza contatto per la trasmissione di energia ad alta frequenza
IT8025678A0 (it) Procedimento per la fabbricazione di tubi arcuati e dispositivo per la realizzazione del procedimento.
IT1012113B (it) Forno tubolare rotativo munito di tubi di raffreddamento
IT7821707A0 (it) Giunzione di tubi.
IT7924538A0 (it) Scambiatore di calore del tipo a tubi e a piastre.
IT8123739A0 (it) Tubo elicoidale ad onde progressive con variazione di guadagno ridotto.
IT7827723A0 (it) Procedimento per la produzione di urea con elevata resistenza meccanica.
SE7800066L (sv) Rorkoppling
FR1078434A (fr) Tube à propagation d'onde comportant une hélice conductrice
NL7704927A (nl) Buiskoppeldeel.
IT1087865B (it) Catodo per tubi elettronici.
IT8124839A0 (it) Scambiatore di calore con un tubo doppio elicoidale.

Legal Events

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

Effective date: 19960227