Phased array with integrated bandpass filter superstructure

Details Phased array with integrated bandpass filter superstructure Phased array with integrated bandpass filter superstructure

1996-01-12

1998-07-14

Hajec, Donald T.

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

343778, H01Q 2100

Patent

active

057811628

ABSTRACT:
A phased array (20) and method for constructing the same are disclosed. The phased array (20) includes a superstructure (22) with cavities (40) therein. A cover plate (28) is mounted to the superstructure (22) and cooperates with the cavities (40) to form cavity style filters therebetween and to form a box-beam type superstructure. Ideally, the superstructure (22) is self supporting. Electronic modules (32) and amplifiers (33) are mounted to the superstructure (22). The method includes machining a block of material to form a webbed superstructure with cavities (40) therein. A cover plate (28) is mounted to the superstructure (22) over the cavities (40) to form cavity style filters. Amplifiers (32) and antenna elements (30) are then affixed to the superstructure (22) and cover plate (28). Ideally, the cover plate (28) is affixed to the superstructure (22) using an electrically conductive adhesive. Preferably, a capacitive probe is inserted into the cavities (40) to electrically couple the filters to the antenna elements (30) and amplifiers (33).

REFERENCES:
patent: 4891651 (1990-01-01), Staehlin et al.
patent: 5028891 (1991-07-01), Lagerlof
patent: 5278574 (1994-01-01), Zimmerman et al.
patent: 5327152 (1994-07-01), Kruger et al.
patent: 5539415 (1996-07-01), Metzen et al.

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