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	A programmable spread spectrum clock generation
	Zheng, Jiapeng ; Ren, Peng ; Shao, Chien Chun ; Yang, Yi ; Wang, Juncheng ; Li, Wei ; Lin, Chinglong ; Cheng, Yuhua ; Wang, Yangyuan
	2007
英文摘要	In this paper, a spread-spectrum clock generator (SSCG) with triangular modulation is presented. The proposed SSCG with a third-order sigma-delta modulator can generate clocks with center spread ratios of 0.25%, 1%, 1.75%, 2.5%, 3.5%, 5% and down spread ratios of 0.5%, 2%, 3.5%, 5%, 7%, 10%. The SSCG is implemented on a chip using SMIC 0.13um CMOS process. Measurements show that 11.31dB attenuation of the EMI at 80MHz with down spread ratio of 10% and 12.98dB attenuation at 133.3M with center spread ratio of 5% can be achieved which have a good agreement with the theoretical calculations. ? 2007 IEEE.; EI; 0
语种	英语
DOI标识	10.1109/ICASIC.2007.4415635
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/153657]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Zheng, Jiapeng,Ren, Peng,Shao, Chien Chun,et al. A programmable spread spectrum clock generation. 2007-01-01.

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