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A novel compact leaky wave antenna based on Composite Right/Left Handed Transmission Line (CRLH) has been proposed and realized on the coplanar waveguide. The equivalent circuit of the proposed structure has been analyzed. The structure radiates at a high frequency of around 18–19GHz. The return loss and the insertion loss have been characterized. The 10dB return loss bandwidth is found to be 4.7GHz...
A periodically loaded leaky wave antenna based on composite right/left handed substrate integrated waveguide (CRLH SIW) is proposed in this paper. The series capacitance contributed by etching periodically transverse slots in the upper side of the waveguide and shunt inductance contributed by metallic inductive multiple posts shorted to the ground in the rectangular SIW results a transmission line...
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