Abstract
본 논문에서는 이동통신용 단말기 PCB Layout 위에 내장형 칩 안테나를 직접 설계하여 DCS(1.71~1.88GHz) 대역, PCS(1.75~1.87GHz) 대역 및 UPCS(1.85~1.99GHz)대역에서 공통으로 사용할 수 있는 이동통신용 트리플밴드 칩 안테나를 설계하였다. 안테나의 특성 해석을 위해서 Single, Dual, Triple Band 안테나를 설계 및 측정하였다. 설계된 안테나들은 제작하여 LTK(Laird Technologies Korea)에서 네트워크 분석기에 의해서 측정되었다. 트리플 광대역 특성은 1.71GHz~1.99GHz의 대역에서 동작하는 설계된 안테나의 측정된 대역폭(V.S.W.R<2.0)을 실현시켰다. 이 안테나의 크기는 <TEX>$19mm{\times}4mm{\times}1.6mm$</TEX>으로 설계하여 매우 소형화시켰으며, 칩 안테나의 단점인 좁은 대역폭을 크게 개선시켰다. 그리고 실험 측정 성능들은 시뮬레이션 성능들과 매우 유사함을 보여 주었다. In this paper, triple band mobile chip antenna for DCS(1.71~1.88GHz) / PCS(1.75~1.87GHz) / UPCS(1.85~1.99GHz) on PCB Layout is designed. To analyze the characteristics of the designed antenna, we designed and measured Single, Dual, Triple Band antenna. The designed antenna was fabricated and measured using vector network analyzer in LTK(Laird Technologies Korea). Triple and wide band characteristic could be realized the measured bandwidth(V.S.W.R<2.0) of designed antenna operated in the band of 1.71GHz~1.99GHz. This antenna has a small size of about <TEX>$19mm{\times}4mm{\times}1.6mm$</TEX>, narrow bandwidth which is a defect of chip antenna is improved. And its experimental results were a good agreement with simulation performance.
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