Compact phased array antenna system, and a method of...

H - Electricity – 01 – Q

Patent

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H01Q 21/00 (2006.01) H01Q 1/02 (2006.01) H01Q 1/28 (2006.01) H01Q 23/00 (2006.01)

Patent

CA 2384621

An antenna system (10) includes circuitry (13) and an antenna unit (12). The antenna unit includes a multi-layer circuit board (21). The circuitry provides radio frequency signals, control signals and power to the circuit board. The circuit board has an array of antenna elements (23) on one side thereof, and has a plurality of modules (71, 72) soldered to and projecting outwardly from the opposite side thereof. The modules each have electronic circuitry thereon, which is electrically coupled to the circuit board. Each module includes a thermal transfer element (96), the heat generated by the electronic components on that module being thermally transferred by the thermal transfer element to a cooling section (51).

L'invention concerne un système d'antenne (10) qui comprend des circuits (13) et une unité d'antenne (12). L'unité comprend une carte imprimée multicouche (21). Les circuits fournissent des signaux radioélectriques, des signaux de commande et l'alimentation à la carte imprimée, laquelle comporte un réseau d'éléments d'antenne, (23) sur un côté, et une pluralité de modules (71, 72) soudés et faisant saillie de l'autre côté. Chaque module comporte un circuit électronique couplé à la carte imprimée et un élément d'échange thermique (96) qui transfère la chaleur engendrée par les composants électroniques sur ce module à une section de refroidissement (51).

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