Journal
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
Volume 62, Issue 10, Pages 5370-5375Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2014.2343252
Keywords
Microstrip antennas; multi-frequency antennas; phased arrays; planar arrays
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The design of a planar dual-band wide-scan phased array is presented. The array uses novel dual-band comb-slot-loaded patch elements supporting two separate bands with a frequency ratio of 1.4: 1. The antenna maintains consistent radiation patterns and incorporates a feeding configuration providing good bandwidths in both bands. The design has been experimentally validated with an X-band planar 9 x 9 array. The array supports wide-angle scanning up to a maximum of 60 degrees and 50 degrees at the low and high frequency bands respectively.
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