Commscope Technologies LLC

Biyang Ding

Yi Zhang

Huafeng Su

Yongqiang Wang

A microstrip capacitor structure includes a substrate having a first side and a second side opposite the first side wherein the first and second sides of the substrate are spaced apart in a vertical direction, first and second conductive microstrip transmission line segments on the first side of the substrate, a conductive ground plane on the second side of the substrate, first and second microstrip capacitor plates connected to respective ones of the first and second microstrip transmission line segments, wherein the first and second microstrip capacitor plates are separated by a dielectric gap, and a complementary resonator comprising a removed portion of the conductive ground plane that is aligned in the vertical direction with at least a portion of the dielectric gap. The first and second microstrip transmission line segments extend in a first direction of RF signal propagation and the complementary resonant structure comprises first and second complementary resonant structures spaced apart in a second direction that is perpendicular to the first direction, and a transverse portion that extends in the second direction and connects the first and second complementary resonant structures.

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Biyang Ding