可视化二极管参数测量仪设计

Design of visual diode parameter measuring instrument

二极管是半导体行业重要的基础元件,现代电子行业常要对二极管参数进行测试与检测。基于STM32单片机设计一款可视化、高精度、高稳定度的二极管参数测量仪器,以辅助电路实现对正向导通电压、反向击穿电压等参数的测量,采用液晶屏幕显示测量参数,以快速准确地了解其伏安特性。结果表明:该测量仪可以快速完成参数测量,精度高、稳定性好,具有体积小巧、功能完善、性能突出、人机交互界面良好、操作简单等实用化产品的特征。

As an important basic component in the semiconductor industry,the testing and inspection of diode parameters has become an essential part of the modern electronics industry.Based on STM32 microcontroller,a visualized,highly precise,highly stabilite diode parameter measurement instrument was designed,to achieve the auxiliary circuit to the forward conduction voltage,reverse breakdown voltage and other parameters of the measurement LCD screen was used to display measurement parameters to quickly and accurately understand its volt-ampere characteristics.The results show that the measuring instrument not only can quickly complete the parameter measurement,but also has high accuracy and good stability.Therefore,this measuring instrument has the characteristics of practical product such as compact size,perfect function,outstanding performance,good human-computer interaction interface and simple operation.