Doosoub Shin

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In this article, an oscillator (OSC) in X-band with a double H-shape metamaterial resonator (DHMR) based on high-Q is proposed with metamaterial (MTM) structure to improve the phase noise and the output power. The proposed OSC has been exhibited low phase noise and high output power for good performance of the frequency synthesizer. The DHMR is designed to(More)
A novel voltage controlled oscillator (VCO) using the microstrip square multiple spiral resonator for reducing the phase noise of VCO. Compared with the conventional microstrip square spiral resonator, the microstrip square multiple spiral resonators has strong coupling between the microstrips of the line with the multiple spiral resonator, which makes for(More)
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