Oscillators – With magnetically controlled space discharge device – With undesired mode suppression or selection means
Patent
1981-04-27
1984-07-10
Grimm, Siegfried H.
Oscillators
With magnetically controlled space discharge device
With undesired mode suppression or selection means
315 3953, H01J 2332
Patent
active
044595638
ABSTRACT:
A magnetron of simplified mechanical construction and including choke structures for harmonic suppression. The structure includes an anode cylinder having a plurality of vanes therein and upper and lower open ends; a cathode within said anode cylinder; a cathode stem air-tightly coupled with the second open end of the anode cylinder for supporting the cathode; and an output section. The output section includes an insulated cylinder having a first end and air-tightly coupled with the first open end of the anode cylinder and a second open end; an electrically conductive annular member coaxial with the insulated cylinder; an electrically conductive metal cap coaxial with the annular member; and an output conductor for conducting microwave energy from the anode cylinder to the cap, the cap and output conductor defining a first choke structure for suppressing second harmonic energy and the annular member defining a second choke structure for suppressing a fourth harmonic component of microwave energy.
REFERENCES:
patent: 3849737 (1974-11-01), Oguro
patent: 4129834 (1978-12-01), Kerstens
Grimm Siegfried H.
Tokyo Shibaura Denki Kabushiki Kaisha
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