Microstrip electronic scan antenna array

Details Microstrip electronic scan antenna array Microstrip electronic scan antenna array

1992-08-27

1993-09-07

Hajec, Donald T.

Communications: radio wave antennas

Antennas

Microstrip

343754, 343853, 333 11, H01Q 136

Patent

active

052433544

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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Farzin Lalezari and Clifton David Massey, MM-WAVE Microstrip Antennas, Miwave Journal Apr. 1987, pp. 87, 88, 90,94, 96.
M. A. Weiss, Microstrip Antennas for Millimeter Waves, IEEE Transactions on Antennas and Propagation, vol. AP-29 No. 1, Jan. 1981, pp. 171-174.

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