Volume 53, Issue 12 pp. 2967-2971
Research Article

A low phase noise oscillator with a high-Q split ring resonator using MNG metamaterial

Ki-Cheol Yoon

Ki-Cheol Yoon

Department of Wireless and Communications Engineering, Kwangwoon University, Nowon-ku, Seoul 139-701, Korea

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Jong-Chul Lee

Corresponding Author

Jong-Chul Lee

Department of Wireless and Communications Engineering, Kwangwoon University, Nowon-ku, Seoul 139-701, Korea

Department of Wireless and Communications Engineering, Kwangwoon University, Nowon-ku, Seoul 139-701, KoreaSearch for more papers by this author
First published: 21 September 2011

Abstract

In this article, a novel high QL triple-split ring resonator (T-SRR) of mu-negative metamaterial is suggested.It is used in the design of an I- band oscillator. A very low phase noise can be obtained for the oscillator due to the sharp band-rejection characteristic of T-SRR. The oscillator is designed to operate at 10 GHz using the novel T-SRR. Experiments show that the output power is 9.82 dBm, the second harmonic suppression is −26.48 dBc, and the phase noise is −105.05 dBc/Hz at a 100-kHz offset. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:2967–2971, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26404

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