PCIe学习笔记(29)--- PL
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Jitter
edge arrives before or after its ideal time
jitter分类
un-correlated-jitter 与被传输的数据不相关
Rj - Random jitter 不可被预测的,无限的,服从高斯分布,一般由电气或者热噪声引入系统
Dj - Deterministic jitter 可被预测的,有限的,一般由EMI, CROSSTALK, PWR SUPPLY NOISE OR GROUNDING 引入
PWJ - Pulse Width Jitter - 不相关, edge to edge, high frequency jitter
DjDD - deterministic jitter, using the dual-dirac approximation
DDj - data-dependent jitters, function of the data pattern being set, due to package loss and reflection. ISI is an example of DDj.
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