본 논문에서는 근접 거리에서 평면파를 생성할 수 있는 도파관 배열 안테나의 급전부로 활용이 가능한 6-way 전력 분배기에 대하여 기술하고 있다. 원형으로 배치된 방사 소자를 급전하기 위하여 분배기의 중앙에 SMA 커넥터의 입력 단자가 존재하고, 분배기를 둘러싼 원형의 주변에 도파관 형태의 출력 단자가 존재한다. 본 논문은 분배기의 반사 손실을 낮추기 위하여 유도성 포스트를 활용하는 방법을 제안한다. 급전 핀의 높이, 유도성 포스트의 지름, 급전 핀과 유도성 포스트간의 간격에 대한 파라미터 분석을 수행하여 최적의 분배기를 설계하였다. 모의실험과 실제 측정을 수행한 결과, 약 -40 dB의 낮은 반사 손실을 가진다. 6개의 출력 단자의 계산 및 측정된 투과량은 각각 -7.78 dB와 -8.06 dB로써, 동진폭 및 동위상의 전력 분배가 이루어짐을 확인하였다. 본 논문에서 제안한 분배기는 다수 개의 출력 단자를 갖는 분배기로 손쉽게 확장이 가능하므로 다양한 형태의 배열 안테나의 급전 구조로 활용될 수 있다.
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