S-대역 SPST MMIC 스위치의 격리도 특성을 두 서로 다른 RF 결합 방법인 마이크로스트립(microstirp)과 접지 코플라나 웨이브가이드(GCPW) 선로로 구성하여 분석하였다. 스위치의 온-오프 격리도는 마이크로스트립 설계에 비하여 접지 코플라나 웨이브가이드 선로를 사용하는 경우 5.8 dB 개선되었고, 접지 코플라나 웨이브가이드 선로에 코플라나 와이어본드 결합을 적용하는 경우 6.9 dB 더 향상된 격리도 특성을 3.4 GHz의 주파수에서 얻을 수 있었다. 측정된 삽입 손실 및 IMD3는 3.2~3.6 GHz 대역에서 1.94 dB보다 작았으며, 64 dBc보다 큰 특성을 얻었다.
KSP Keywords
6 GHz
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