通信高频开关电源原理分析与维修技术研究

摘要

简要介绍了通信高频开关电源的工作原理,以UC3844为核心控制芯片的功能电路为例,详细分析、总结了开关电源维修流程、关键维修技术及注意事项.%This article briefly introduced the working principle of high frequency switching power supply, with the UC3844 core control chip function circuit as an example.It also analyzed and summed up the switching power supply maintenance procedures, service technicians and key considerations in detail.