The Journal of Korean Institute of Electromagnetic Engineering and Science (한국전자파학회논문지)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Design of Wide-Band 6-Port Network for Noise Parameter Measurement Using 3-Section Wilkinson Power Divider and Slot-Coupled Directional Coupler

3단 윌킨슨 전력분배기와 Slot-Coupled 방향성 결합기를 활용한 잡음 파라미터 측정용 광대역 6-포트 회로망의 설계

  • Lee, Dong-Hyun (Department of Radio Science & Engineering, Chungnam University) ;
  • Lee, Chang-Dae (Department of Radio Science & Engineering, Chungnam University) ;
  • Lee, Chan-Woo (Department of Radio Science & Engineering, Chungnam University) ;
  • Yeom, Kyung-Whan (Department of Radio Science & Engineering, Chungnam University)
  • Received : 2016.11.30
  • Accepted : 2017.01.17
  • Published : 2017.02.28
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Abstract

In this paper, a 2~18 GHz wideband 6-port network is designed and fabricated to extend the measurement frequency bandwidth of noise parameter measurement method using 6-port network. In order to design a broadband 6-port network, a wilkinson power divider and a directional coupler with wideband characteristics are designed. The wilkinson power divider is designed as a three-section structure to achieve wideband characteristics. The direction coupler is designed as a three-section structure and slot-coupled structure using multi-layer substrate to obtain wideband characteristics. A wideband 6-port network is designed and fabricated combining the designed power divider and coupler. The measured results of the fabricated 6-port network for the 2~18 GHz band show characteristics applicable to the noise parameter measurement method.

본 논문에서는 6-포트 회로망을 이용한 잡음파라미터 측정방법의 측정 주파수 대역을 확장하기 위한 2~18 GHz 광대역 6-포트 회로망을 설계 및 제작하였다. 광대역 6-포트 회로망을 설계하기 위해서 광대역 특성을 가지는 윌킨슨 전력분배기와 방향성 결합기를 설계하였다. 윌킨슨 전력분배기는 3단 구조로 설계하여 광대역 특성을 구현하였다. 방향성 결합기는 3단 구조 및 다층기판을 활용한 slot-coupled 구조로 설계하여 광대역 특성을 구현하였다. 설계된 광대역 전력분배기와 결합기를 이용하여 광대역 6-포트 회로망을 설계 및 제작하였다. 2~18 GHz 대역에서 제작된 6-포트 회로망의 측정결과는 잡음 파라미터 측정방법에 적용 가능한 특성을 보였다.

Keywords

References

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