市场返回单板高压采样电路失效分析

Failure Analysis of High Voltage Sampling Circuit for Market Returned PCBA

本文介绍某项目市场返回单板的失效定位分析过程,并从工程防护、单板加工、器件选型设计等各方面提出有针对性的优化整改措施,以提高整体系统的环境适应性。

The location process of failure of a project market returned PCBA was analyzed.From the aspects of engineering protection,PCBA,components selection and design etc.,the optimization measures were proposed to improve the environmental adaptability of the system.