Nonlinear Analysis of Bang-Bang Digital PLL With Accumulative Noise Using Markov Chains

被引:0
|
作者
Bondalapati, Pratheep [1 ]
Namgoong, Won [1 ]
机构
[1] Univ Texas Dallas, Dept Elect Engn, Richardson, TX 75083 USA
来源
PROCEEDINGS OF THE 2016 TEXAS SYMPOSIUM ON WIRELESS AND MICROWAVE CIRCUITS AND SYSTEMS (WMCS) | 2016年
基金
美国国家科学基金会;
关键词
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暂无
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
When analyzing a bang-bang phase locked loop (BBPLL), the hard nonlinearity is often linearized for analysis purposes with limited accuracy. This paper presents an accurate mathematical model of a BBPLL based on Markov Chains that is valid for all operating conditions. The proposed methodology is used to compute the BBPLL output steady-state jitter probability density function (PDF). Based on the analytical model, the loop filter gain is also optimized to minimize the output jitter. The analytical results show close agreement with simulation.
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页数:4
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