Design and fabrication of Ka-Band Analog Phase Shifter using GaAs Hyperabrupt Junction Varactor Diodes and Reactance Matching

GaAs Hyperabrupt Junction 바랙터 다이오드와 리액턴스 정합을 이용한 Ka-Band 아날로그 위상변화기의 설계

  • 조성익 (고려대학교 전자 및 정보공학과) ;
  • Published : 2003.05.01

Abstract

This paper describes performance data and design information on a reflection-type analog phase shifter used in Ka-band. Arranging a couple of GaAs hyperabrupt junction varactor diode parallel in a circuit, and applying reactance matching method accordingly, it is possible to 831 a large the phase shift. Design equation is formulated theoretically. Since the assembly process is important in Ka-band, this paper also includes the assembly process that is essential to minimize the generation of parasitic elements during the assembly process. It is obtained variable phase shift 220$^{\circ}$${\pm}$7$^{\circ}$ and insertion loss 5 dB${\pm}$1 dB as a measured result larger than the existing figure in Ka-band.

본 논문에서는 Ka-band에 대한 반사형 아날로그 위상변화기의 설계 및 제작결과를 기술하였다. 큰 위상 변화를 가지기 위해서 병렬의 GaAs hyperabrupt junction 바랙터 다이오드와 리액턴스 정합 방법을 사용하였으며 이론적인 설계공식도 도출하였다. Ka-band에서는 조립과정도 중요하며 조립과정중 발생할 수 있는 기생성분을 최소화하기 위한 조립절차도 포함하였다. 제작결과는 Ka-Band에서 기존 것보다 큰 220$^{\circ}$$\pm$7$^{\circ}$ 가변의 위상변화와 삽입손실이 5 dB$\pm$1 dB를 가진 우수한 성능의 측정된 결과를 얻었다.

Keywords

References

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