Journal of the Institute of Electronics Engineers of Korea TC (대한전자공학회논문지TC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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K-Band Low Phase Noise Push Push OSC Using Metamaterial Resonator

Metamatrial Resonator를 이용한 K-Band 저위상 잡음 Push Push OSC 설계

  • Shim, Woo-Seok (Information and Telecommunication Engineering, Soongsil University) ;
  • Lee, Jong-Min (Information and Telecommunication Engineering, Soongsil University) ;
  • Seo, Chul-Hun (Information and Telecommunication Engineering, Soongsil University)
  • 심우석 (숭실대학교 정보통신공학부) ;
  • 이종민 (숭실대학교 정보통신공학부) ;
  • 서철헌 (숭실대학교 정보통신공학부)
  • Received : 2012.02.08
  • Accepted : 2012.02.17
  • Published : 2012.02.25
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Abstract

In this paper, a push-push oscillator at K-band with a double H-shape metamaterial resonator (DHMR) based on high-Q is proposed with metamaterial structure to improve the phase noise and output power. The proposed oscillator shows low phase noise and high output power. DHMR is designed to be high-Q at resonance frequency through strong coupling of E-field. oscillators which are combined in push-push structure improve output power. The propose push-push oscillator shows the output power of 3.1 dBm, the fundamental signal suppression of -23.7 dBc and phase noise of -116.28 dBc at 100 kHz offset frequency and 20.20 GHz center frequency.

본 논문은 K-band에서 위상잡음과 출력파워를 향상시키기 위하여 메타 구조로 높은 Q값을 갖는 이중 H자 형태의 메타전자파구조의 공진기를 적용한 Push-Push 구조의 발진기를 제안하였다. 제안된 발진기는 낮은 위상잡음과 높은 출력 전압을 보여준다. 특히 이중 H자 형태의 메타 전자파구조(DHM)는 전기장의 커플링을 강하게 하여 발진 주파수에서 높은 Q 값을 갖도록 설계되었다. 또한 2개의 발진기를 Push-Push 구조로 결합시킴으로 출력 전력을 개선하였다. 실험결과 20.20 GHz에서 3.1 dBm의 출력을 나타내었고, 중심주파수 억압특성은 -23.7 dBc, 위상잡음은 -116.28 dBc @ 100kHz의 특성을 보였다.

Keywords

References

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