Microwave waveguide filter having a metal plate which includes a

Details Microwave waveguide filter having a metal plate which includes a Microwave waveguide filter having a metal plate which includes a

1985-05-29

1987-07-14

Laroche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333251, 333211, H01P 1212

Patent

active

046805613

ABSTRACT:
A thin plate member of electrically conductive material is disposed within a rectangular waveguide. The plate member has the thickness less than one tenth of the wavelength of a frequency to be suppressed, an opening whose maximum dimension is less than the length of the short side of the waveguide, and a gap formed between two opposite projections extending from the edge of the opening. The plate member is arranged, in said rectangular waveguide, parallel with the electric field and perpendicular to the magnetic field.

REFERENCES:
patent: 2577118 (1951-12-01), Fiske
patent: 3088082 (1963-04-01), Petrilla et al.
patent: 4028650 (1977-06-01), Konishi et al.
patent: 4201956 (1980-05-01), Kienberger et al.

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