Analysis of Jitter in CMOS Ring Oscillators due to Power Supply Noise

被引:0
|
作者
Deng, Xiaoying [1 ]
Chen, Xin [1 ]
Yang, Jun [1 ]
Wu, Jianhui [1 ]
机构
[1] Southeast Univ, China Natl ASIC Syst Engn Res Ctr, Nanjing 210096, Peoples R China
关键词
power supply noise; ring oscillator; jitter; PHASE NOISE; SUBSTRATE NOISE;
D O I
10.1587/transele.E92.C.973
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this letter a new analytical method is presented for estimating the timing jitter of CMOS ring oscillators due to power supply noise. Predictive jitter equation is presented, and the proposed method is utilized to study the jitter induced by power supply noise in an inverter-based ring oscillator, which is designed and simulated in SMIC 0.13-mu m standard CMOS process. A comparison between the results obtained by the proposed method and those obtained by HSPICE simulation proves the accuracy of the predictive equation. Most of the errors between the theoretic calculation and simulation results are less than 3 ps.
引用
收藏
页码:973 / 975
页数:3
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