A method of multi-channel pulse acquisition synchronization

Zhanyang Ai, Longhui Wang, Guoman Liu, Chengfa Xu
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引用次数: 1

Abstract

In multi-channel pulse acquisition system, it needs to ensure two kinds of synchronization. One is channel synchronization, the other is pulse synchronization. In order to ensure the two synchronizations, a method was proposed by using ADC reset signal to control ADC start-up simultaneously and sequential logic of internal sampling clock fixed. Through the analysis of multi-channel pulse acquisition system architecture, ADC start-up simultaneously could ensure channel synchronization. By the analysis of sequential logic, fixed phase of internal sampling clock could ensure pulse synchronization. Through experiments, channel synchronization deviation is less than 2ps and pulse synchronization deviation is less than 5ps.
一种多通道脉冲采集同步方法
在多通道脉冲采集系统中,需要保证两种同步。一个是通道同步,另一个是脉冲同步。为了保证两种同步,提出了一种利用ADC复位信号控制ADC同步启动,内部采样时钟顺序逻辑固定的方法。通过对多通道脉冲采集系统架构的分析,同时启动ADC可以保证通道同步。通过时序逻辑分析,采用固定相位的内部采样时钟可以保证脉冲同步。通过实验,通道同步偏差小于2ps,脉冲同步偏差小于5ps。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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