High Efficiency Q-band MIMIC HEMT-Oscillator Operating at Low Voltages

고효율 및 저전압 동작 특성의 Q-band MIMIC HEMT발진기

  • Lee, Mun-Kyo (Millimeter-wave INnovation Technology research center, Dongguk University) ;
  • An, Dan (Millimeter-wave INnovation Technology research center, Dongguk University) ;
  • Lee, Bok-Hyung (Millimeter-wave INnovation Technology research center, Dongguk University) ;
  • Kim, Sung-Chan (Millimeter-wave INnovation Technology research center, Dongguk University) ;
  • Lim, Byeong-Ok (Millimeter-wave INnovation Technology research center, Dongguk University) ;
  • Han, Hyo-Jong (Millimeter-wave INnovation Technology research center, Dongguk University) ;
  • Chae, Yeon-Sik (Millimeter-wave INnovation Technology research center, Dongguk University) ;
  • Shin, Dong-Hoon (Millimeter-wave INnovation Technology research center, Dongguk University) ;
  • Kim, Yong-Hoh (Electronic Engineering, Paichai University) ;
  • Park, Hyung-Moo (Millimeter-wave INnovation Technology research center, Dongguk University) ;
  • Rhee, Jin-Koo (Millimeter-wave INnovation Technology research center, Dongguk University)
  • 이문교 (동국대학교 밀리미터파 신기술연구센터) ;
  • 안단 (동국대학교 밀리미터파 신기술연구센터) ;
  • 이복형 (동국대학교 밀리미터파 신기술연구센터) ;
  • 김성찬 (동국대학교 밀리미터파 신기술연구센터) ;
  • 임병옥 (동국대학교 밀리미터파 신기술연구센터) ;
  • 한효종 (동국대학교 밀리미터파 신기술연구센터) ;
  • 채연식 (동국대학교 밀리미터파 신기술연구센터) ;
  • 신동훈 (동국대학교 밀리미터파 신기술연구센터) ;
  • 김용호 (배재대학교 전자공학과) ;
  • 박형무 (동국대학교 밀리미터파 신기술연구센터) ;
  • 이진구 (동국대학교 밀리미터파 신기술연구센터)
  • Published : 2004.04.01

Abstract

In this paper, we present the low voltage and high efficiency Q-band MIMIC oscillator using device-level power combined structure. The oscillator was successfully integrated by using 0.1 ${\mu}{\textrm}{m}$ GaAs PHEMTS and the CPW transmission line. We show that the highest efficiency is 19 % with an output power of 2.6 ㏈m at a frequency of 34.56 ㎓. The operating voltage of the oscillator is 2.2 V which is lower voltage than that of previously reported oscillators at Q-band. And the maximum output power of 6.7 ㏈m was obtained at a frequency of 34.56 ㎓.

본 논문에서는 소자 결합 구조를 통해 발진전력이 합쳐지는 회로를 이용한 저전압, 고효율 Q-band MIMIC 발진기를 제안한다. 0.1 ㎛ GaAs PHEMTS와 CPW 전송라인을 사용하여 제안된 구조의 발진기를 성공적으로 집적화하였다. 제작된 발진기는 34.56 ㎓ 주파수에서 2.6 ㏈m의 출력 전력일때 19 %의 높은 효율특성을 가졌다. 이때 회로에 인가된 전압은 2.2 V로 현재까지 Q-band에서 발표된 발진기보다 낮은 구동전압 특성을 얻었다. 또한 최대 출력 전력은 34.56 ㎓ 주파수에서 6.7 ㏈m을 얻었다.

Keywords

References

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