A Miniature Dual-Polarized Array Antenna for Satellite Terminal Communications

This article presents a Ku-band dual-polarized antenna array composed of five 1×24 linear arrays for low cost satellite terminal communications. By utilizing two one-to-twenty-four power dividers with the spacing of 14 mm, a dual-polarized linear array is designed with a compact footprint. As a proof-of-concept, the 5×24 array is designed and fabricated. To validate the radiation performance of the 1×24 linear array, the center linear array is measured. The measured S
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below -10dB is from 13.5GHz to 14.7GHz (8.6%), which can cover the Ku-band satellite transmit frequency band (13.75GHz to 14.5GHz).