Dual band waveguide radiator

Details Dual band waveguide radiator Dual band waveguide radiator

1977-12-30

1979-02-20

Smith, Alfred E.

Communications: radio wave antennas

Antennas

Plural diverse-type antennas using same active element

343725, 343726, 343893, H01Q 2100, H01Q 100

Patent

active

041410122

ABSTRACT:
This relates to dual band waveguide radiating element for an antenna. A pair of adjacent rear wall excited waveguide elements have a slot in the common wall between them. This slot contains an excitation element so that the structure operates as a ridge waveguide. The rear wall excitation is at the higher of the two frequencies, e.g. S band, while the ridge waveguide operates at the lower frequency, e.g. L band.

REFERENCES:
patent: 2784403 (1957-03-01), Marsh et al.
patent: 2897491 (1959-07-01), Young, Jr.
patent: 3193830 (1965-07-01), Provencher
patent: 3523297 (1970-08-01), Fee
patent: 3882505 (1975-05-01), Mailloux

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