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http://dx.doi.org/10.5515/KJKIEES.2008.19.2.250

An X-band Oscillator Using a New Hairpin Resonator  

Seo, Sung-Won (Department of Electronics and Communications Engineering, Kwangwoon University)
Jeong, Jin-Ho (Department of Electronics and Communications Engineering, Kwangwoon University)
Park, Chan-Hyeong (Department of Electronics and Communications Engineering, Kwangwoon University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.19, no.2, 2008 , pp. 250-256 More about this Journal
Abstract
In this paper, an X-band oscillator is presented using a new miniaturized microstrip hairpin resonator. The newly designed hairpin resonator on the microstrip line employs the spiral structure, which shows a higher loaded quality factor and the 50 % reduced circuit area compared to the conventional one at 9.2 GHz. The oscillator using proposed resonator shows the output power of 10.87 dBm, the second harmonic suppression of 41.99 dBc, and the phase noise performance of -101.49 dBc/Hz at 100 kHz offset, which is better than the conventional resonator oscillator by 6.17 dB.
Keywords
Hairpin Resonator; Oscillator; Phase Noise; Quality Factor;
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