Dual band combiner for horn antenna

Details Dual band combiner for horn antenna Dual band combiner for horn antenna

1979-01-31

1980-04-22

Moore, David K.

Communications: radio wave antennas

Antennas

Wave guide type

343895, H01Q 1300

Patent

active

041997646

ABSTRACT:
A corrugated horn antenna adapted to be coupled to a waveguide at the apex thereof for X-band excitation is further adapted to be connected to waveguides through a circumferential slot for S-band excitation at four distinct phases S.sub.1 through S.sub.4 selected for the desired S-band polarization. The circumferential slot is positioned along the axial length of the horn for good impedance matching and is provided with an X-band choke in the form of two concentric choke slots. For further improvement in impedance matching, the second (outer) choke slot is divided by plugs into four segments that coincide with waveguide ports for the four distinct phases of the S-band.

REFERENCES:
patent: 2398096 (1946-04-01), Katzin
patent: 3325817 (1967-06-01), Ajioka et al.
patent: 3389394 (1968-06-01), Lewis
patent: 3423756 (1969-01-01), Foldes
patent: 3568204 (1971-03-01), Blaisdell
patent: 3631502 (1971-12-01), Peters, Jr. et al.
patent: 3732571 (1973-05-01), Neale
patent: 4077039 (1978-02-01), Ren et al.

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