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J. KIMS Technol > Volume 14(5); 2011 > Article
Journal of the Korea Institute of Military Science and Technology 2011;14(5):818-824.
DOI: https://doi.org/10.9766/KIMST.2011.14.5.818   
Modeling and Analysis of the Phase Noise in a Frequency Synthesizer for a Radar System
Dong-Sik Kim, Min-Cheol Kim, Su-Ho Lee, Myeong-Deuk Jeong, Ho-Sang Kwon
1Department of Microwave Lab. LIGNEX1
2
레이더용 주파수합성기의 위상잡음 모델링 및 분석
김동식, 김민철, 이수호, 정명득, 권호상
1LIGNEX1 초고주파연구센터
2국방과학연구소
Abstract
In this paper, we proposed a phase noise model of a frequency synthesizer for a radar system. Especially, it was proposed a phase noise model in a DAS(Direct Analog Synthesizer) and a frequency up converter system using Leeson's model. The proposed phase noise model was derived from the measurement data of model 1 and evaluated by adapting to model 2 and model 3 frequency synthesizers. The prediction phase noise by modeling was totally matched to the measured data and the effective analysis of the phase noise was done in a frequency synthesizer and a frequency converter of radar system.
Key Words: Phase Noise, DAS, Frequency Synthesizer


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