Wide-band modular mems phased array

Details Wide-band modular mems phased array Wide-band modular mems phased array

H - Electricity

01

Q

H01Q 1/38 (2006.01) H01Q 9/04 (2006.01) H01Q 21/00 (2006.01) H01Q 21/06 (2006.01) H01Q 21/10 (2006.01)

Patent

CA 2438384

A phased array antenna (100) comprising a planar array having a plurality of modules (101,102,103). Each module comprises an integrated multilayer structure having a plurality of radiating elements (215), at least one of the layers is produced using MEMS technology. Further, each module has at least one of a plurality of phase shifters (220,221,222), a plurality of power dividers (230,231,232), a plurality of polarization circuits (and a plurality of filters(240,241,242)). The modules are coupled, both mechanically and electrically, to a distribution network (110) for distribution of DC signals and RF signals. At least one amplifier (121,122,123) is connected between the distribution network and the modules or a single amplifier is connected to the whole array.

L'invention concerne une antenne réseau à commande de phase comprenant un réseau planar possédant plusieurs modules. Chaque module comporte une structure intégrée multicouche possédant plusieurs éléments rayonnants, au moins une des couches étant produites au moyen de la technologie MEMS. Ces modules comprennent au moins un parmi plusieurs compensateurs de phase, diviseurs de puissance, circuits de polarisation et filtres, et sont couplés à la fois mécaniquement et électriquement à un réseau de distribution de signaux C.C. et R.F. Selon l'invention, au moins un amplificateur est relié entre le réseau de distribution et les modules ou un amplificateur unique est relié à la totalité du réseau.

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