Filter duplex antenna based on open-loop resonator
A ring resonator and antenna technology, applied in antennas, antenna coupling, antenna components and other directions, can solve the problems of low port isolation, complex circuit structure, low antenna gain, etc., and achieve simple circuit structure and small mutual interference. , improve the isolation effect
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[0032] Such as figure 1 , figure 2 and image 3 As shown, the present embodiment provides a filter duplex antenna based on an open-loop resonator, and the filter duplex antenna includes three layers of dielectric substrates parallel to each other, which are respectively an upper dielectric substrate (20), an intermediate dielectric substrate (21 ) and the lower dielectric substrate (22), the upper dielectric substrate (20) and the intermediate dielectric substrate (21) are separated by a certain distance, the intermediate dielectric substrate (21) and the lower dielectric substrate (22) are seamlessly connected, and the upper dielectric substrate (20) is also printed on the upper layer The stacked parasitic rectangular patch (1) on the upper surface of the dielectric substrate (20), the rectangular patch (2) printed on the upper surface of the intermediate dielectric substrate (21), and the reflective floor printed on the upper surface of the lower dielectric substrate (22) ...
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