Dual waveguide probes extending through back wall

Communications: radio wave antennas – Antennas – Wave guide type

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Details

333 21A, 333125, H01Q 1300, H01P 1161

Patent

active

052453537

ABSTRACT:
Waveguide OMT, which can be utilized as an antenna feed, has two orthogonally polarized coaxial ports extending through the back wall of the waveguide. Cross coupling between the probes is minimized by locating the point of entry through the back wall and orienting each probe such that it couples to a primary waveguide mode, but does not couple to the first higher waveguide mode, or, for coaxial waveguide, does not couple to the TEM mode.

REFERENCES:
patent: 4356459 (1982-10-01), Gould et al.
patent: 4414516 (1983-11-01), Howard
patent: 4595890 (1986-06-01), Cloutier
patent: 4683440 (1987-07-01), Yoshikawa
patent: 4851857 (1989-07-01), Dienes

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