Abstract
A dual-band dual-polarized slot antenna for Ku-band video satellite application is proposed. It mainly consists of the ground with a wide slot and a reflector. The orthogonal modes are excited by slot-coupling feeding and microstrip feeding to realize dual polarization. The dual-band characteristic is realized using the multi-resonant performance of wide slot. The impedance bandwidth for two port covers the dual wide bandwidths of 10.7–11.7GHz and 11.7–12.7GHz. The gain can be up to 8.8dBi. The proposed antenna has low profile, simple structure, good port isolation and high gain. It is a good candidate for Ku-band video satellite antenna.
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