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如图所示，无桥PFC工作在DCM模式下，采用数字控制，mos管的驱动出现振荡问题；
目前采取的措施如下：
加大驱动电阻；GS并联电容；这两种方法均无明显改善；
想问一下还有什么方法可以抑制这种振荡，避免开关管的直通；
Half.PDF
这是PCB图，很简单的电路
