Microstrip electronic scan antenna array
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United States of America Patent
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-
Sep 7, 1993
Grant Date -
N/A
app pub date -
Aug 27, 1992
filing date -
Aug 27, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A microstrip electronic scan antenna array is provided comprising a hollow elongated octagonal-shaped housing formed by four quadrantially-disposed microstrip patch antenna arrays and four filler panels extending between the patch arrays. Three, independently-switchable microstrip Y-junction circulators are tandem interconnected in a double-ended wye configuration on a common dielectric substrate forming an octagonal end cover for the housing. Each of the three circulators acts as a single pole-double throw switch and the sequence of energization of the four microstrip patch antenna arrays is determined by controlling the sequence and direction of circulator coupling action of the three circulators.
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