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Metamatrial Resonator를 이용한 K-Band 저위상 잡음 Push Push OSC 설계
심우석(Wooseok Shim),이종민(Jongmin Lee),서철헌(Chulhun Seo) 大韓電子工學會 2012 電子工學會論文誌-TC (Telecommunications) Vol.49 No.2
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 ㏈m, the fundamental signal suppression of -23.7 ㏈c and phase noise of -116.28 ㏈c at 100 ㎑ offset frequency and 20.20 ㎓ center frequency