Journal of Advanced Marine Engineering and Technology

The Korean Society of Marine Engineering (한국마린엔지니어링학회)
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Study on RF characteristics of voltage-controlled artificial transmission line employing periodically arrayed diodes for application to highly miniaturized wireless communication systems

초소형 무선 통신 시스템에서의 응용을 위한 주기적으로 배열된 다이오드를 이용한 전압제어형 전송선로의 RF 특성에 관한 연구

  • Kim, Soo-Jeong (Department of Marine Engineering, Korea Marine Engineering University) ;
  • Kim, Jeong-Hoon (Department of Marine Engineering, Korea Marine Engineering University) ;
  • Jeong, Jang-Hyeon (Department of Marine Engineering, Korea Marine Engineering University) ;
  • Yun, Young (Department of Radio Communication and Engineering Korea Maritime and Ocean University)
  • Received : 2016.08.19
  • Accepted : 2016.12.02
  • Published : 2017.01.31
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Abstract

In this paper, we studied the RF characteristics of a voltage-controlled artificial transmission line employing periodically arrayed diodes for application to highly miniaturized wireless communication systems on an MMIC (monolithic microwave integrated circuit). According to the results, the novel voltage-controlled artificial transmission line employing periodically arrayed diodes exhibited a short wave length, which was only 35.2% that of the conventional transmission line, owing to increasing capacitance. In addition, it's effective permittivity and effective propagation constant exhibited considerably higher values than those of the conventional transmission line. Furthermore, attenuation constant of the voltage-controlled artificial transmission line was far higher than that of the conventional transmission line. Using the closed-form equation, we theoretically analyzed the equivalent circuit of the voltage-controlled artificial transmission line.

본 논문에서는 MMIC (Monolithic microwave integrated circuit)상에서의 초소형 무선 통신 시스템에의 응용을 위해 주기적으로 배열된 다이오드를 이용한 전압제어형 전송선로(Voltage-controlled Artificial Transmission Line Employing Periodically Arrayed Diodes)의 RF특성 연구를 진행하였다. 연구 결과, 본 논문에서 제안하는 전압제어형 전송선로는 회로의 용량증가로 인해 기존의 마이크로스트립 선로의 35.2%로 단파장의 성능을 보여주었다. 그리고 유효유전율 및 전파상수는 기존의 마이크로스트립 선로보다 높은 결과를 나타냈으며, 감쇠정수 또한 기존의 전송선로에 비해 전압제어형 선로에서 높게 나타났다. 그리고 전압제어형 전송선로의 등가회로를 closed-form 방정식을 통하여 이론적으로 해석하였다.

Keywords

References

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