Magnetron having a filter on the output probe

Details Magnetron having a filter on the output probe Magnetron having a filter on the output probe

1980-09-29

1983-02-01

Grimm, Siegfried H.

Oscillators

With magnetically controlled space discharge device

With undesired mode suppression or selection means

315 3953, H01J 2332, H03B 910

Patent

active

043718485

ABSTRACT:
A simple but effective filter attenuating one or more frequencies other than the fundamental frequency of a magnetron is provided in the magnetron. The filter comprises one or more stubs each of which extends along one side of an output probe connected to an anode vane of the magnetron. Each stub forms a slot which has an effective electrical length of a quarter wavelength at the frequency to be attenuated by the filter. The probe may be a metal strip and the stub, may be a lug formed by cutting in the strip a mainly longitudinal slot which opens into a side edge of the strip.

REFERENCES:
patent: 3849737 (1974-11-01), Oguro
patent: 4207496 (1980-06-01), Nakai
Bates, "Design of Microstrip Spur-line Band-stop Filters", Microwaves, Optics and Acoustics, Nov. 1977, vol. 1, pp. 209-214.

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