The PCB design of CCD camera system is combined. The three factors of EMC are introduced and analyzed how to control EMC from the point of EMI. The points that muse be take care are indicated, and accumulated experience for practice aftertime.

• 结合CCD相机系统的板级设计,介绍了EMI问题的三要素,分析了如何从发生EMI的角度控制EMC问题,并给出了实际应用中的设计要点,为今后PCB设计工作积累了实际操作经验。