高速数模电路多时钟系统EMC设计

The EMC Design of High-Speed Mixed-Signal Circuit in the Multi-Clock System

该文重点分析了高速数模混合电路多时钟系统EMC设计方法,从布局布线、屏蔽效能和阻抗匹配等综合手段优化了PCB的布层布局方案,同时在信号完整性和电源完整性角度进行了兼容问题分析,通过具体实例给出指标性能对比,验证了该综合EMC处理手段具有重要意义和实用价值。

This paper mainly analyzes the EMC design method of high-speed mixed-signal and multi-clock system,and use layout,electromagnetic shielding,impedance matching method to optimize the PCB design.At same time,we analyze the compatibility problems in the signal integrity and power integrity view.According to the comparison with the actual performance proved that the EMC design method is meaningful and effective.