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This paper proposes chip antenna using three branch structures and interdigitated gap feeding method. Three branches consist of the spiral, straight monopole, and meander structure. Antenna has a compact size of 20 x 8 x 3.2 mm . Its size is minimized so that it can be easily installed to mobile handset. FR-4 (relative permittivity = 4.4) substrate is used in this chip antenna. In this paper, interdigitated...
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