본 연구에서는 전압제어형 PIN 다이오드 감쇄기에 사용될 수 있는 새로운 PIN 다이오드 모델을 제안하였다 종래의 PIN 다이오드 모델의 문제점인 DC해석과 전압/감쇄 특성의 오류의 원인을 분석하였고 분석된 결과를 바탕으로 종래 모델의 문제점을 해결할 수 있는 새로운 PIN 다이오드 모델을 제시하였다. 제시된 모델은 간단한 구성으로 상용 시뮬레이터에 쉽게 삽입되어질 수 장점이 있다. 모델의 유용성을 검증하기 위하여 전압제어형 감쇄기를 설계하여 DC특성과 입력전압에 따른 감쇄특성을 실험한 결과 제시된 모델이 종래 모델이 갖는 문제점을 해결할 수 있을뿐만 아니라 전압제어형 감쇄기를 정확하게 설계할 수 있음을 확인하였다. 본 논문에서 제시된 모델은 PIN 다이오드를 이용한 다양한 초고주파 회로 설계시 적용되어질 수 있을 것으로 사료된다.
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