a tester is made based on the typical circuit of the monostable trigger made of 555 timers. it operation principle, coupling way and usage are analysed in great detail.
以555定时器构成的单稳态触发器这一典型电路为基础自制一种实用测试器,较详细的分析了该器件的工作原理、耦合方式、使用方法。
the synchronous signal of mc1311 cmos camera is shaped by monostable trigger 74ls221. the data are stored in at24c02, protected in the case of electricity loss.
使用单稳态触发器74ls221对送给mc1311cmos摄像机的同步信号进行整形。 使用at24c02对数据进行存储,实现了数据的掉电保护。
the accuracy of delay or timing is not sensitive with monostable trigger circuit since electrical elements have influence on it.
使用单稳态触发电路作「延时」或「定时」用,由于受到元件和器件的影响,其精度不会太高。