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http://dx.doi.org/10.5394/KINPR.2003.27.5.513

Design and Fabrication of Voltage Control Oscillator at X-band using Dielectric Resonator  

Han, Sok-Kyun (Division of Marine Electronic & comm. Eng National Mokpo Maritime University)
Choi, Byung-Ha (Division of Marine Electronic & comm. Eng, National Mokpo Maritime University)
Publication Information
Journal of Navigation and Port Research / v.27, no.5, 2003 , pp. 513-517 More about this Journal
Abstract
In this paper, a VCDRO(Voltage Control Dielectric Resonator Oscillator} applied to X-band as stable source is implementea and constructed with a MESFET for low noise, a dielectric resonator of high frequency selectivity and high Q varactor diode to obtain a good phase noise performance and stable sweep characteristics. The designed circuits is simulated through the harmonic balance simulation technique to provide the optimum performance. The measured results of a fabricated VCDRO show that output is 2.22dBm at 12.05GHz. harmonic suppression -30dBc. phase noise -130dBc at 100kHz offset. and sweep range of varactor diode $\pm$18.7MHz. respectively. This oscillator will be available to X-band application.
Keywords
VCDRO; DR; PHASE NOISE;
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