Microribbon/waveguide transition for plate type antenna

Details Microribbon/waveguide transition for plate type antenna Microribbon/waveguide transition for plate type antenna

1992-04-14

1993-11-02

Gensler, Paul

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

333 35, 343859, 343865, H01P 5107, H01Q 916

Patent

active

052587274

ABSTRACT:
The present invention relates to a microribbon/wave guide line transition, especially between an antenna (1) of the plate antenna type, with radiating elements (3) and feed lines (4) printed on a face of a substratum (2) and a wave guide or a resonant cavity (12) with a rectangular section. The end wall of the wave guide or of the cavity (12) is in a plane parallel to the plane that contains the radiating elements (3) of antenna (1) and their feed lines (4). The transition comprises a conductor a first end of which is in galvanic contact with the main feed point A of the antenna (1) and that runs through the substratum (2) of antenna (1) in the direction of its thickness and that comes out into the wave guide or cavity (12) through a hole (9) in the end wall of the wave guide or of said cavity (12), the second end of said conductor is in galvanic contact with a wide internal lateral wall of the wave guide or of the cavity (12), approximately in the middle of same, in the transverse direction of same, and at a distance of the end wall equal to approximately one quarter the length of the wave guided in the wave guide or cavity (12), the plane that contains the conductor is approximately perpendicular to the wide lateral wall (12") of the wave guide or cavity (12).

REFERENCES:
patent: 3942138 (1976-03-01), Schaedla
patent: 4899163 (1990-02-01), Daniel et al.
Weiss, Microstrip Antennas for Millimeter Waves, IEEE Trans. on A&P, vol. AP-29, No. 1, Jan. 1981, pp. 171-174.

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