Broadband circularly polarized antenna

Details Broadband circularly polarized antenna Broadband circularly polarized antenna

1997-10-01

1999-09-14

Wong, Don

Communications: radio wave antennas

Antennas

Logarithmically periodic

343797, H01R 1110

Patent

active

059529822

ABSTRACT:
A wideband circularly polarized antenna comprises a crossed-element spatial quadrature arrangement of log-periodic antenna elements. The orientation of one of the antenna arms of each diametrically opposed pair of arms is reversed from four port rose configuration, so that the antenna arms of each of the two pairs of elements have mutual mirror symmetry. As a result, each pair of antennal arms may be fed by phase quadrature ports of the same ninety degree hybrid, thereby significantly reducing the complexity of the feed network.

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