DE747904C - Two-slot magnetron for generating centimeter or decimeter waves - Google Patents
Two-slot magnetron for generating centimeter or decimeter wavesInfo
- Publication number
- DE747904C DE747904C DEI59568D DEI0059568D DE747904C DE 747904 C DE747904 C DE 747904C DE I59568 D DEI59568 D DE I59568D DE I0059568 D DEI0059568 D DE I0059568D DE 747904 C DE747904 C DE 747904C
- Authority
- DE
- Germany
- Prior art keywords
- magnetron
- legs
- centimeter
- generating
- filament
- 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
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
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
- H01J25/54—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having only one cavity or other resonator, e.g. neutrode tubes
Landscapes
- Microwave Tubes (AREA)
Description
zweischlitzmagnetron zur Erzeugung von Zentimeter- oder Dezimeterwellen Die Erfindung bezieht sich auf ein Zweischlitzmagnetron zur Erzeugung von Zentimeter- oder Dezimeterwellen, bei dem die Anodensegmente mit den Schwingungskreisen eine Einheit bilden.two-slot magnetron for generating centimeter or decimeter waves The invention relates to a two-slot magnetron for generating centimeter or decimeter waves, in which the anode segments with the oscillation circles one Form unity.
Bekanntlich nimmt der Wirkungsgrad von Zweischlitzmagnetrons unterhalb einer Welle von 3 bis 5 cm stark ab, weil der Außenwiderstand des angeschlossenen Resonanzkreises dann zu klein ist.As is well known, the efficiency of two-slot magnetrons decreases below a wave from 3 to 5 cm strong, because of the external resistance of the connected Resonance circuit is then too small.
Dieser Nachteil wird durch die Erfindung beseitigt. Gemäß der Erfindung bestehen nämlich die Anodensegmente aus Teilen eines U-förmig gebogenen, flachen, rechteckigen Bleches, dessen Schenkel einander parallel laufen und einen oder mehrere zu ihren Ebenen parallel und zu den Schenkelkanten senkrecht verlaufende Heizfäden in der Mitte zwischen sich einschließen. Verwendet man mehrere Heizfäden, so wird man -die Länge der Anodenbleche zweckmäßig als ein ganzes, ungerades Vielfaches einer Viertelwellenlänge wählen und die Heizfäden auf die Spannungsbäuche des dadurch erhaltenen Schwingungssystems verteilen. Vertuender man nur einen Heizfaden, so wird er zweckmäßig in der Nähe des freien Endes der Schenkel verlaufen.This disadvantage is eliminated by the invention. According to the invention namely, the anode segments consist of parts of a U-shaped curved, flat, rectangular sheet, the legs of which run parallel to each other and one or more filaments running parallel to their planes and perpendicular to the leg edges in the middle between them. If you use several filaments, so will one -the length of the anode sheets expediently as a whole, odd multiple choose a quarter wavelength and apply the filaments to the tension bulges of the thereby received vibration system distribute. If you only use a filament, like that it will expediently run near the free end of the legs.
Die Energieentnahme kann in an sich bekannter Weise z. B. durch kapazitive Ankopplung des Verbrauchers mittels nahe den Anodensegmenten angeordneter Bleche erfolgen.The energy extraction can be carried out in a manner known per se, for. B. by capacitive Coupling of the consumer by means of metal sheets arranged close to the anode segments take place.
Es ist an sich bekannt, Schwingungskreise aus U-förmig gebogenen, rechteckigen Blechen herzustellen. Beiden bekannten Ausführungsformen werden die Anodenbleche aber in der üblichen Weise halbzylindrisch ausgebildet, Sie weisen demgemäß eine größere Kapazität auf als planparallele Segmente, die an sich -zwar bereits bekannt sind, jedoch bisher nicht als Einheit mit den Schwingungskreisen ausgebildet wurden. um die Kapazität ultrahochfrequent betriebener kreise tunlichst gering zu halten. Die zylindrische Form der Anoden ist an sich zwar für den Schwingungsmechanismus von Vorteil, so daß die planparallele Ausbildung der Anodenbleche in dieser Hinsicht einen gewissen Nachteil bedeutt. Dieser Nachteil ist aber sehr viel geringer als der oLen erwähnte Vorteil der durch die planparallele Ausbildung betvjrkten Erhöhung des Resonanzwiderstandes. Hierdurch ergibt sich eine erhebliche Verbesserung des Wirkungsgrades, die den geringfügigen Nachteil hinsichtlich des Erzeugungsmechanistntts bei weitem überkompensiert.It is known per se to create oscillation circles from U-shaped bent, to produce rectangular sheets. Both known embodiments are the Anode sheets but in the usual way semi-cylindrical, she accordingly have a greater capacity than plane-parallel segments, which are per se -Already known, but not yet as a unit with the oscillation circles were trained. to the capacity of ultra-high frequency operated circuits as much as possible to keep it low. The cylindrical shape of the anodes is actually for the vibration mechanism advantageous, so that the plane-parallel formation of the anode sheets in this regard means a certain disadvantage. However, this disadvantage is much smaller than the advantage mentioned above of the increase brought about by the plane-parallel formation the resonance resistance. This results in a considerable improvement in the Efficiency, which does not have the slight disadvantage in terms of the generation mechanism by far overcompensated.
Die Zeichnung zeigt beispielsweise schematisch zwei Ausführungsformen der Erfindung. ALL, i zeigt ein llagnetron mit einem Heizfaden.The drawing shows, for example, schematically two embodiments the invention. ALL, i shows a llagnetron with a filament.
Abb. .2 ein. llagnetron mit drei Heizfäden. In dieser Zeichnung ist 2 ein U-förmig gebcgenes Blech, ; sind die Heizfäden und d die hapazitiv 1n@e'1;<.:Pl,elten l:nergieentnahmelatche.Fig. 2 a. llagnetron with three filaments. In this drawing is 2 a U-shaped bent sheet metal; are the filaments and d are the capacitive 1n @ e'1; <.: Pl, elten l: energy extraction latches.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEI59568D DE747904C (en) | 1937-11-11 | 1937-11-11 | Two-slot magnetron for generating centimeter or decimeter waves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEI59568D DE747904C (en) | 1937-11-11 | 1937-11-11 | Two-slot magnetron for generating centimeter or decimeter waves |
Publications (1)
Publication Number | Publication Date |
---|---|
DE747904C true DE747904C (en) | 1944-10-20 |
Family
ID=7195040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEI59568D Expired DE747904C (en) | 1937-11-11 | 1937-11-11 | Two-slot magnetron for generating centimeter or decimeter waves |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE747904C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2925477A (en) * | 1957-09-12 | 1960-02-16 | Radiation Inc | Radio frequency amplifier |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE391761C (en) * | 1921-06-25 | 1924-03-08 | Erich Habann | Highly evacuated discharge vessel |
DE428547C (en) * | 1924-01-12 | 1926-05-07 | Erich Habann | Highly evacuated discharge tubes |
DE573634C (en) * | 1930-07-21 | 1933-04-04 | Rca Corp | Short wave circuit using a magnetron tube |
GB392425A (en) * | 1931-10-05 | 1933-05-18 | Telefunken Gmbh | Improvements in or relating to very short wave electrical oscillation generating arrangements |
GB426095A (en) * | 1934-03-15 | 1935-03-27 | M O Valve Co Ltd | Improvements in or relating to magnetron oscillators |
FR783360A (en) * | 1934-01-09 | 1935-07-11 | Meaf Mach En Apparaten Fab Nv | Electron tube |
FR809694A (en) * | 1935-08-24 | 1937-03-08 | Lorenz C Ag | Method and device for producing high frequency oscillations using an electron tube |
DE645891C (en) * | 1933-06-28 | 1937-06-07 | Marconi Wireless Telegraph Co | Magnetron tubes |
FR816071A (en) * | 1936-01-13 | 1937-07-29 | Telefunken Gmbh | Multiple magnetron |
AT150770B (en) * | 1935-08-24 | 1937-09-25 | Lorenz C Ag | Method for generating high-frequency vibrations by means of an electron tube. |
-
1937
- 1937-11-11 DE DEI59568D patent/DE747904C/en not_active Expired
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE391761C (en) * | 1921-06-25 | 1924-03-08 | Erich Habann | Highly evacuated discharge vessel |
DE428547C (en) * | 1924-01-12 | 1926-05-07 | Erich Habann | Highly evacuated discharge tubes |
DE573634C (en) * | 1930-07-21 | 1933-04-04 | Rca Corp | Short wave circuit using a magnetron tube |
GB392425A (en) * | 1931-10-05 | 1933-05-18 | Telefunken Gmbh | Improvements in or relating to very short wave electrical oscillation generating arrangements |
DE645891C (en) * | 1933-06-28 | 1937-06-07 | Marconi Wireless Telegraph Co | Magnetron tubes |
FR783360A (en) * | 1934-01-09 | 1935-07-11 | Meaf Mach En Apparaten Fab Nv | Electron tube |
GB426095A (en) * | 1934-03-15 | 1935-03-27 | M O Valve Co Ltd | Improvements in or relating to magnetron oscillators |
FR809694A (en) * | 1935-08-24 | 1937-03-08 | Lorenz C Ag | Method and device for producing high frequency oscillations using an electron tube |
AT150770B (en) * | 1935-08-24 | 1937-09-25 | Lorenz C Ag | Method for generating high-frequency vibrations by means of an electron tube. |
FR816071A (en) * | 1936-01-13 | 1937-07-29 | Telefunken Gmbh | Multiple magnetron |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2925477A (en) * | 1957-09-12 | 1960-02-16 | Radiation Inc | Radio frequency amplifier |
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