V-band MIMIC Quadruple Subharmonic Mixer Using Cascode Harmonic Generator

Cascode 하모닉 발생기를 이용한 V-band MIMIC Quadruple Subharmonic 믹서

  • An Dan (Millimeter-wave Innovation Technology Research center) ;
  • Lee Mun Kyo (Millimeter-wave Innovation Technology Research center) ;
  • Jin Jin Man (Millimeter-wave Innovation Technology Research center) ;
  • Go Du Hyun (Millimeter-wave Innovation Technology Research center) ;
  • Lee Sang Jin (Millimeter-wave Innovation Technology Research center) ;
  • Kim Sung Chan (Millimeter-wave Innovation Technology Research center) ;
  • Chae Yeon Sik (Millimeter-wave Innovation Technology Research center) ;
  • Park Hyung Moo (Millimeter-wave Innovation Technology Research center) ;
  • Shin Dong Hoon (Millimeter-wave Innovation Technology Research center) ;
  • Rhee Jin Koo (Millimeter-wave Innovation Technology Research center)
  • 안단 (동국대학교 밀리미터파 신기술 연구센터) ;
  • 이문교 (동국대학교 밀리미터파 신기술 연구센터) ;
  • 진진만 (동국대학교 밀리미터파 신기술 연구센터) ;
  • 고두현 (동국대학교 밀리미터파 신기술 연구센터) ;
  • 이상진 (동국대학교 밀리미터파 신기술 연구센터) ;
  • 김성찬 (동국대학교 밀리미터파 신기술 연구센터) ;
  • 채연식 (동국대학교 밀리미터파 신기술 연구센터) ;
  • 박형무 (동국대학교 밀리미터파 신기술 연구센터) ;
  • 신동훈 (동국대학교 밀리미터파 신기술 연구센터) ;
  • 이진구 (동국대학교 밀리미터파 신기술 연구센터)
  • Published : 2005.05.01

Abstract

A V-band MIMIC quadruple subharmonic mixer is reported in this paper. The cascode harmonic generator is proposed for a high conversion gain. The proposed cascode harmonic generator is shown with a 4-th harmonic output characteristic that represents an average of 2.9 dB and a maximum of 4 dB higher than the conventional multiplier. The measured result of the subharmonic mixer has a conversion gain of 3_4 dB which a good conversion gain at a LO power of 13 dBm. Isolations of LO-to-IF and LO-to-RF were obtained -53.6 dB and -46.2 dB, respectively. The conversion gain of the subharmonic mixer in this study has a higher conversion gain compared with some other reports in millimeter-wave range.

본 논문에서는 cascode 하모닉 발생기를 이용하여 V-band MIMIC (Millimeter-wave Monolithic Integrated Circuit) quadruple subharmonic 믹서를 설계 및 제작하였다. 고변환 이득 특성을 위하여 cascode 하모닉 발생기를 제안하였다. 제안된 cascode 하모닉 발생기는 기존의 multiplier 구조의 비해 평균 2.9 dB 및 최대 4 dB의 높은 4차 하모닉 출력 특성을 나타내었다. 제작된 V-band subharmonic 믹서의 측정결과 14.5 GHz LO 신호를 13 dBm의 크기로 입력하였을 때 3_4 dB의 높은 변환이득 특성을 얻었다. 또한 -53.6 dB의 LO-to-IF, -46.2 dB의 우수한 LO-to-RF 격리 특성을 나타내었다. 제작된 밀리미터파 subharmonic 믹서는 기존에 발표된 밀리미터파 대역의 subharmonic 믹서에 비해 우수한 변환이득 특성을 나타내었다.

Keywords

References

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