弹载存储装置内触发电路的设计与实现

Design and Implementation of Trigger Circuit in Missile Borne Storage Device

针对弹载存储测试装置特殊的应用环境特点和内部触发的需求,提出一种以含零频的加速度计ADXL78和高速电压比较器LM311为核心的内触发电路设计方法。设计实现了触发电路模块,经过实验室静态检测和动态检测等相关验证及试验应用。结果表明:该触发电路设计各项指标符合要求,触发阈值灵活可调,能稳定、可靠地触发弹载存储测试装置,可为弹载存储测试装置的工程化应用提供必要的触发保证。

According to the special application environment characteristics of missile borne storage test device and the requirements of internal trigger,a design method of internal trigger circuit is proposed,which takes the accelerometer ADXL78 with zero frequency and the high-speed voltage comparator LM311 as the core.The trigger circuit module is designed and implemented,which has been verified and applied by static detection and dynamic detection in the laboratory.The results show that the trigger circuit meets the requirements,the trigger threshold is flexible and adjustable,it can trigger the missile borne storage test device stably and reliably,and it can provide the necessary trigger guarantee for the engineering application of the missile borne storage test device.