The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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The Study on the Design and Implementation of SHF band Low Noise Amplifier of Digital Satellite Communication

디지털 위성 중계기용 SHF 대역 저잡음 증폭장치 설계 및 구현에 대한 연구

  • Received : 2016.10.11
  • Accepted : 2016.12.24
  • Published : 2016.12.31
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Abstract

This study describes the design and implementation of SHF band Low Noise Amplifier of Digital Satellite Communication. We have applied to HEMT part to minimize Noise Figure of system. and minimized the potential for the occurrence of such erroneous operation of equipment through the simulations of the space environment. We designed a reliable Low Noise Amplifier through simulation for a TID according to the vibration generated during the launch and space radiation environment, and compared pre-simulation of main performance results to test results about main performances of Low Noise Amplifier after production.

본 연구는 디지털위성중계기용 SHF 대역 저잡음증폭장치의 설계 및 구현에 대해 기술하였다. 잡음지수 최소화를 위하여 저잡음 증폭소자인 HEMT(: High Electron Mobility Transistor)소자를 적용하였고, 우주환경에 대한 사전 시뮬레이션 분석을 통하여 장비 오동작 가능성을 최소화 시켰다. 발사환경 시 발생하는 진동 및 우주방사능에 의한 TID(: Total Ionizing Dose)에 대한 시뮬레이션을 통해 신뢰성 있는 저잡음증폭장치를 설계하였으며, 제작 후 주요 성능지표에 대해 만족여부 확인 및 사전 성능 시뮬레이션 결과와 비교하였다.

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References

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