反激电源使用UC3843作为主控芯片,输出电压有高次谐波干扰和低频振荡,额定输出12V,工作频率200khz,没有出现开关纹波,是环路补偿还是哪里的问题,请问下工程师具体原因和解决办法。
以下是实验数据:
1.输出电压波形
2.原理图电路
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