To aim at the defect of the simulate trigger and the digital trigger with microcomputer, a new universal digital trigger based on CPLD and PLL is introduced.

提出了一种以复杂可编程逻辑器件（CPLD）和锁相环技术为核心的新型通用数字触发器，对其硬件电路和软件设计进行了详细分析。

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To aim at the defect of the simulate trigger and the digital trigger with microcomputer, a new universal digital trigger based on CPLD and PLL is introduced.

提出了一种以复杂可编程逻辑器件（CPLD）和锁相环技术为核心的新型通用数字触发器，对其硬件电路和软件设计进行了详细分析。

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