In order to increase the occupating coefficient and reliability of digital experimental box,we improve its power supply by designing a simple,reliable overcurrent protecting circuit base on the analysis of its working principle .
In order to increase the occupating coefficient and reliability of digital experimental box,we improve its power supply by designing a simple,reliable overcurrent protecting circuit base on the analysis of its working principle .
设计了一个简单可靠的电源过流保护电路，分析了过流保护电路的工作原理，在此基础上改进了数字电路实验箱中稳压电源电路，提高了仪器的使用效率，增强了可靠性.