본 논문에서 트랜지스터를 이용하여 Ultra Wide Bandwidth(UWB)통신 시스템의 구성 요소의 하나인 임펄스 발생기를 설계하였다. 이 펄스 발생기는 두 가지 스텝으로 이루어져 있다. 첫 번째 스텝에서 트랜지스터 스위칭 동작과 스위칭 동작에 걸리는 시간을 이용하여 트랜지스터의 가우시안 펄스를 만든다. 두 번째 스텝에서 고 대역 통과 필터를 이용하여 모노싸이클 임펄스로 변환시킨다. 결과인 임펄스의 크기는 약 +/250 mV 정도이고, 펄스의 폭은 0.9 ns로서 펄스폭은 트랜지스터의 동작 시간과 일치하였다.
KSP Keywords
Ultra Wide Bandwidth
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