한국인터넷방송통신학회논문지 (The Journal of the Institute of Internet, Broadcasting and Communication)

  • 제17권2호
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  • Pages.233-237
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  • 2017
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  • 2289-0238(pISSN)
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  • 2289-0246(eISSN)
한국인터넷방송통신학회 (The Institute of Internet, Broadcasting and Communication)
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국내개발 MMIC칩을 적용한 W-Band 송수신모듈 개발

Development of W-band Transceiver Module using Manufactured MMIC

  • 투고 : 2017.03.07
  • 심사 : 2017.04.07
  • 발행 : 2017.04.30
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초록

저잡음 증폭기, 믹서, 로컬 증폭기와 온도보상회로를 포함하는 다채널 수신 블록이 단일 MMIC 칩으로 설계 및 제작되었다. 이 국내개발 MMIC 칩을 송수신 모듈내에 장착하고 제작하여 송수신 모듈의 잡음지수와 변환이득 등을 측정하였으며, 또한 상용 칩을 장착하여 제작한 송수신모듈의 측정 결과와 이를 비교하였다. 결과적으로 국내개발 MMIC 칩을 이용한 송수신모듈이 상용 MMIC 칩을 이용한 송수신 모듈보다 잡음지수 및 평탄도 등에서 국내 개발 칩이 더 변환이득 특성이 좋으며, 채널당 이득 차이는 각각 0.5dB과 1.5dB이고 위상 차이는 각각 1.06도와 3.93도로 비교적 국내 개발 칩이 우수한 특성을 보였다.

The dual-channel receiver MMIC which is composed of LNA, Mixer, LO-amp and temperature compensation circuit is designed on a single chip. For the performance comparison, a FMCW radar transceiver module using commercial MMICs is also implemented. As a result, Multi-channel Transceiver using manufactured MMIC shows an improved performance such as noise figure and gain flatness compare to purchased MMIC.

키워드

참고문헌

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