Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Patent
1991-10-25
1994-07-05
Hajec, Donald
Communications: radio wave antennas
Antennas
With coupling network or impedance in the leadin
361707, H01Q 2100
Patent
active
053271521
ABSTRACT:
An active aperture radar antenna includes a plurality of T/R modules and a plurality of radiators, each being supported upon an intermediate support structure disposed therebetween for holding the modules and the radiators at predetermined positions relative to one another. The support structure is a composite structure formed by ribbed support housings and joined by a central plate. The ribs in the support housings defining channels for accommodating coolant tubes and for stiffening the structure. The T/R modules contact the support structure proximate the transmit amplifier chains for enhanced cooling. The radiator array is formed upon a circuit board, is independent of the T/R modules and is disposed upon an opposing surface of the support structure. The T/R modules can be removed and replaced without disturbing any radiators or their relative coplanarity.
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Kruger Bradford E.
Noble Walter J.
Hajec Donald
Ho Tan
ITT Corporation
Peterson Thomas L.
Plevy Arthur L.
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