On the basis of the old model of ADC input clock jitter and signal, a formula functioned with ADC input clock jitter and ADC output code cumulative probability distribution function was deduced.

• 摘要在已有的利用ADC采样研究时钟抖动基本模型的基础上，提出了利用ADC的输出码密度测量时钟抖动的修正模型。