Journal of the Institute of Electronics Engineers of Korea SD (대한전자공학회논문지SD)

The Institute of Electronics and Information Engineers (대한전자공학회)
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The Design and implementation of a 5.8GHz band LNA MMIC for Dedicated Short Range Communication

단거리전용통신을 위한 5.8GHz대역 LNA MMIC 설계 및 구현

  • 문태정 (경남정보대학 전자정보통신계열) ;
  • 황성범 (경남정보대학 전자정보통신계열) ;
  • 김용규 (거창기능대학 메카트로닉스과) ;
  • 송정근 (동아대학교 전자공학과) ;
  • 홍창희 (동아대학교 전자공학과)
  • Published : 2003.08.01
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Abstract

In this paper, we have designed and implemented by a monolithic microwave integrated circuit(MMIC) of a 5.8GHz-band low noise amplifier (LNA) composed of receiver front-end(RFE) in a on-board equipment system for dedicated short range communication. The designed LNA is provided with two active devices, matching circuits, and two drain bias circuits. Operating at a single supply of 3V and a consumption current of 18mA, The gain at center frequency 5.8GHz is 13.4dB, NF is 1.94dB, Input IP3 is -3dBm, S$_{11}$ is -18dB, and S$_{22}$ is -13.3dB. The circuit size is 1.2 $\times$ 0.7 $\textrm{mm}^2$.>.

본 논문에서 단거리전용통신을 위한 차량탑재장치내의 수신단 전반부의 구성부품인 5.8GHz대역 LNA를 MMIC로 설계 및 구현하였다. 설계된 LNA는 두개의 능동소자와 매칭회로, 두개의 드레인 바이어스 회로로 구성되며, 3V의 단일공급전압에서 18mA의 소비전류로 동작한다. 중심주파수 5.8GHz에서 이득 13.4dB, NF 1.94dB, Input IP3-3dBm, S/sub 11/ - l8dB, S/sub 22/ - 13.3dB의 특성을 나타내며, 제작된 회로의 실제 크기는 1.2×0.7㎟ 이다.

Keywords

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