In this paper, an ultra-compact mmW E-plane waveguide filtering antenna using a pair of metal strips and a meander ring resonator is presented, in which two transmission zeros (TZs) is located at the ...

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A compact microstrip crossover network that occupies an area of 0.027λ×0.027λ at 1 GHz is presented. The network is fully planar and is implemented using printed and surface mount elements. The design ...