DE1186154B - Delay line for traveling pipes - Google Patents
Delay line for traveling pipesInfo
- Publication number
- DE1186154B DE1186154B DEW33376A DEW0033376A DE1186154B DE 1186154 B DE1186154 B DE 1186154B DE W33376 A DEW33376 A DE W33376A DE W0033376 A DEW0033376 A DE W0033376A DE 1186154 B DE1186154 B DE 1186154B
- Authority
- DE
- Germany
- Prior art keywords
- delay line
- helix
- piston
- coils
- contact
- 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.)
- Pending
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
- H01J23/26—Helical 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
- H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
- H01J25/38—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field the forward travelling wave being utilised
Landscapes
- Microwave Tubes (AREA)
Description
DEUTSCHESGERMAN
PATENTAMTPATENT OFFICE
Internat. Kl.: H Ol jBoarding school Kl .: H Ol j
H03fH03f
Deutsche Kl.: 21g-13/1.7 German classes: 21g -13 / 1.7
Nummer: 1186 154Number: 1186 154
Aktenzeichen: W 33376IX d/21 gFile number: W 33376IX d / 21 g
Anmeldetag: 21. November 1962Filing date: November 21, 1962
Auslegetag: 28. Januar 1965Opening day: January 28, 1965
Wanderfeldröhren bestehen im allgemeinen aus einem langgestreckten Kolben, an dessen einem Ende sich eine Elektronenkanone befindet, während das andere Ende einen Elektronenauffänger aufweist. Zwischen der Elektronenkanone und dem Elektronenauffänger ist eine Verzögerungsleitung angeordnet, längs der sich die elektromagnetische Energie unter Wechselwirkung mit dem von der Elektronenkanone erzeugten Elektronenstrahl fortpflanzt. Traveling wave tubes generally consist of an elongated bulb at one end there is an electron gun, while the other end has an electron catcher. A delay line is arranged between the electron gun and the electron collector, along which the electromagnetic energy interacts with that of the Electron gun propagates electron beam generated.
Es ist bekannt, daß eine Verzögerungsleitung aus zwei konzentrisch zueinander angeordneten, gegenläufig gewickelten, einander nicht berührenden Wendeln gleichen Durchmessers und gleicherSteigung einen Schwingungszustand ermöglicht, der in der Grundwelle einen wesentlich höheren Wellenwiderstand und in den Teilwellen einen wesentlich niedrigeren Wellenwiderstand aufweist als eine einfache Wendelleitung gleichen Durchmessers und für die gleiche Phasengeschwindigkeit ausgelegt (Chodorow und Chu, »Cross-Wound Twin Helices for Traveling-Wave Tubes«, Journal of Applied Physics, Januar 1955, S. 33 bis 43). Es ist auch bekannt, daß eine solche Kreuzwendel eine geringere Geschwindigkeitsdispersion besitzt als die heute allgemein verwendete Verzögerungsleitung aus abwechselnd aufeinanderfolgenden Ringen und Längsstäben. Eine solche Anordnung aus zwei einander nicht berührenden Wendeln, die für den gewünschten Hochfrequenzbetrieb geeignet ist, begegnet aber erheblichen Herstellungsschwierigkeiten. It is known that a delay line consists of two concentrically arranged, opposite directions coiled, non-touching coils of the same diameter and the same pitch Oscillation state enables the fundamental wave to have a significantly higher wave resistance and in the partial waves has a significantly lower wave resistance than a simple helical cable of the same diameter and designed for the same phase velocity (Chodorow and Chu, “Cross-Wound Twin Helices for Traveling-Wave Tubes ", Journal of Applied Physics, January 1955, pp. 33 to 43). It is also known that a such cross helix has a lower velocity dispersion than that generally used today Delay line made of alternating rings and longitudinal bars. Such an arrangement of two coils that do not touch each other, which are used for the desired high-frequency operation is suitable, but encounters considerable manufacturing difficulties.
In der praktischen Ausführung sind bisher stets große Kontaktflächen zwischen den beiden Wendeln aufgetreten, wodurch sich die Verzögerungswirkung verschlechtert. Aus diesem Grunde hat man bisher immer noch an der erwähnten Ring-Stab-Anordnung festgehalten. Die Erfindung schafft hier einen Ausweg. In the practical version, there have always been large contact areas between the two coils has occurred, thereby worsening the delay effect. For this reason one has so far still adhered to the aforementioned ring and rod arrangement. The invention creates a way out here.
Die Verzögerungsleitung nach der Erfindung besteht aus zwei konzentrisch zueinander angeordneten, gegenläufig gewickelten Wendeln gleichen Durchmessers und gleicher Steigung, deren beide Wendelleiter bandförmig ausgebildet und mit ihren Breitseiten parallel zur Achse der Verzögerungsleitung (Wendelachse) orientiert sind, und die Erfindung ist dadurch gekennzeichnet, daß die beiden Wendelleiter an den Stellen, wo sie sich kreuzen (Kreuzungsstellen), abwechselnd so nach außen ausgebogen sind, daß auch an den Kreuzungsstellen keine Oberflächenberührung zwischen den beiden Wendelleitern stattfindet.The delay line according to the invention consists of two concentrically arranged, oppositely wound coils of the same diameter and the same pitch, both of which are helical conductors ribbon-shaped and with their broad sides parallel to the axis of the delay line (Helical axis) are oriented, and the invention is characterized in that the two helical conductors at the points where they cross (crossing points), alternately curved outwards are that there is no surface contact between the two helical conductors even at the crossing points takes place.
Die durch die Ausbiegungen bedingte, geringe Ab-Verzögerungsleitung für WanderfeldröhrenThe low down delay line caused by the bends for traveling wave tubes
Anmelder:Applicant:
Westinghouse Electric Corporation,Westinghouse Electric Corporation,
East Pittsburgh, Pa. (V. St. A.)East Pittsburgh, Pa. (V. St. A.)
Vertreter:Representative:
Dipl.-Ing. G. Weinhausen, Patentanwalt,Dipl.-Ing. G. Weinhausen, patent attorney,
München 22, Widenmayerstr. 46Munich 22, Widenmayerstr. 46
Als Erfinder benannt:
Frederick L. Washburn jun.,
Roundbay, Severna Park, Md. (V. St. A.)Named as inventor:
Frederick L. Washburn Jr.,
Roundbay, Severna Park, Md. (V. St. A.)
Beanspruchte Priorität:
V. St. v. Amerika vom 21. November 1961
(153 995)Claimed priority:
V. St. v. America November 21, 1961
(153 995)
weichung von der kreiszylindrischen Form gestattet eine Ineinanderschachtelung der beiden gegenläufig gewickelten Wendeln, ohne daß an den Kreuzungsstellen ein schädlicher Kontakt zwischen ihnen auftritt. Deviation from the circular cylindrical shape allows the two to be nested in opposite directions wound coils without damaging contact between them at the crossing points.
Ein Ausführungsbeispiel der Erfindung wird nun an Hand der Zeichnung erläutert. Hierin istAn embodiment of the invention will now be explained with reference to the drawing. In here is
F i g. 1 eine teilweise geschnittene Ansicht einer Wanderfeldröhre mit einer erfindungsgemäßen Verzögerungsleitung, F i g. 1 is a partially sectioned view of a traveling wave tube with a delay line according to the invention,
F i g. 2 eine schematische Darstellung zweier konzentrisch zueinander angeordneter, gegenläufig gewickelter Wendeln gleichen Durchmessers und gleieher Steigung ohne Anwendung der Erfindung,F i g. 2 a schematic representation of two concentrically arranged, oppositely wound Coils of the same diameter and the same pitch without application of the invention,
F i g. 3 eine Stirnansicht der beiden Einzelwendeln von Fig. 1,F i g. 3 shows an end view of the two individual coils from FIG. 1,
F i g. 4 eine Seitenansicht der beiden Einzelwendeln von Fig. 1,F i g. 4 shows a side view of the two individual coils from FIG. 1,
F i g. 5 ein Schnitt längs der Linie V-V in F i g. 1, undF i g. 5 shows a section along the line V-V in FIG. 1, and
F i g. 6 eine Abänderung der Anordnung nach Fig. 5.F i g. 6 shows a modification of the arrangement according to FIG. 5.
F i g. 1 zeigt eine Wanderfeldröhre mit einer Verzögerungsleitung gemäß der Erfindung. Der Röhrenkolben 11 weist einen rohrförmigen mittleren Teil auf, der aus Glas od. dgl. bestehen kann.F i g. 1 shows a traveling wave tube with a delay line according to the invention. The tubular piston 11 has a tubular central part that can be made of glass or the like.
409 770/28+409 770/28 +
Claims (4)
geringer ist, wird die Kontaktfläche A noch größer Natürlich ist die Erfindung auch bei Verzögerungsund der Weg gemäß dem Pfeil i? wird noch kürzer leitungen der beschriebenen Art anwendbar, wenn im Vergleich zu dem gewünschten Weg [Pfeil C], so 60 deren Wendeln bifilarer oder multifilarer Art sind, daß die Stromverteilung noch schlechter wird.)The coils 37 and 41, which make up the Vercher slope, are shown in FIG. 2 shown. The two delay lines 27, composed of the 52 and 54 circular cross-sections, are in contact with a suitable, electrically highly conductive material, each with a pronounced surface area on each cross, for example molybdenum. If you use a hollow point (hatched area). As a result, helical conductors, a liquid cooling can be searched for the currents that apply the electromagnetic. Then according to FIG. 1 the two energies that are allocated along the coils 52 and 54 are assigned to a distribution box at one end, more or less also connected to 47, to which the cooling liquid is fed via a shorter path to the next crossing point according to line 48 . At the other end of the arrow B , instead of the actual delay line 27, the two coils are to flow along the desired path according to the arrow C. a junction box 49 is connected, from which the cooling liquid flows off via a line 50, but the delay effect is reduced. The device and so the effectiveness of the delay line lines 48 and 50 are deteriorated over a not shown. (If the slope of the helix pump is connected to each other,
is smaller, the contact area A becomes even larger. Even shorter lines of the type described can be used if, compared to the desired path [arrow C], their coils are of a bifilar or multifilar type, so that the current distribution is even worse.)
gemäß die Konstruktion nach den Fig.3 bis 5 an- 1. Verzögerungsleitung für eine Wanderfeldgewandt. Hiernach besitzt die eine Wendel 37 von röhre, die aus zwei konzentrisch zueinander ansonst kreisförmigem Querschnitt nach außen aus- 65 geordneten, gegenläufig gewickelten Wendeln gleigebogene Teile 39. Die Teile 39 sollen um wenig chen Durchmessers und gleicher Steigung besteht mehr als die Dicke des Wendelleiters nach außen und bei der die beiden Wendelleiter bandförmig ausgebogen sein. Ebenso besitzt die zweite Wendel ausgebildet und mit ihren Breitseiten parallel zurIn order to prevent this effect, the following claims are made:
according to the construction according to FIGS. 3 to 5 applied to the 1st delay line for a traveling field. According to this, one helix 37 has a tube, which consists of two concentric, otherwise circular cross-section outwardly arranged, oppositely wound helices 39. The parts 39 should have a little diameter and the same pitch more than the thickness of the helical conductor outside and where the two helical conductors are bent out in the shape of a band. Likewise, the second helix is designed and with its broad sides parallel to the
Deutsche Auslegeschrift Nr. 1 052 479.Considered publications:
German interpretative document No. 1 052 479.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US153995A US3089975A (en) | 1961-11-21 | 1961-11-21 | Electron discharge device |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1186154B true DE1186154B (en) | 1965-01-28 |
Family
ID=22549583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEW33376A Pending DE1186154B (en) | 1961-11-21 | 1962-11-21 | Delay line for traveling pipes |
Country Status (3)
Country | Link |
---|---|
US (1) | US3089975A (en) |
DE (1) | DE1186154B (en) |
GB (1) | GB953634A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3408529A (en) * | 1965-08-30 | 1968-10-29 | Westinghouse Electric Corp | Helical slow wave structure for a travelling wave tube to provide heat removal from the slow wave structure |
US3413512A (en) * | 1965-10-20 | 1968-11-26 | Westinghouse Electric Corp | Undulating, slow wave structure for an electron discharge device |
US3760223A (en) * | 1972-08-10 | 1973-09-18 | Us Army | Single conductor multi-coil multi-beam microwave device |
FR2365218A1 (en) * | 1976-09-21 | 1978-04-14 | Thomson Csf | HYPERFREQUENCY DELAY LINE AND WAVE PROPAGATION TUBE CONTAINING SUCH A LINE |
US4513223A (en) * | 1982-06-21 | 1985-04-23 | Varian Associates, Inc. | Electron tube with transverse cyclotron interaction |
US4855644A (en) * | 1986-01-14 | 1989-08-08 | Nec Corporation | Crossed double helix slow-wave circuit for use in linear-beam microwave tube |
US9202660B2 (en) * | 2013-03-13 | 2015-12-01 | Teledyne Wireless, Llc | Asymmetrical slow wave structures to eliminate backward wave oscillations in wideband traveling wave tubes |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1052479B (en) * | 1953-10-12 | 1959-03-12 | Varian Associates | Running field pipes |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL173786B (en) * | 1951-11-14 | Hydril Co | STRAP-SHAPED CLUTCH, CONSISTING OF AN ELONGATED STRAP AND A RESTRAINTING ORGAN. | |
US2997618A (en) * | 1959-07-21 | 1961-08-22 | Dean A Watkins | Bar-strapped multifilar helix for traveling-wave tube |
-
1961
- 1961-11-21 US US153995A patent/US3089975A/en not_active Expired - Lifetime
-
1962
- 1962-09-13 GB GB35009/62A patent/GB953634A/en not_active Expired
- 1962-11-21 DE DEW33376A patent/DE1186154B/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1052479B (en) * | 1953-10-12 | 1959-03-12 | Varian Associates | Running field pipes |
Also Published As
Publication number | Publication date |
---|---|
US3089975A (en) | 1963-05-14 |
GB953634A (en) | 1964-03-25 |
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