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系统抗干扰差与EMI性能不良

系统抗干扰差与EMI性能不良

产生原因:

1.系统抗共模干扰差

2.没有屏蔽

3.系统未接 Y 电容

采取措施:

1.输入端接一个共模扼流圈和 TVS 管

2.系统进行六面金属屏蔽

3.在电源模块的输入地与输出地之间接一个47-100pF的安规

电容(耐压值视具体需要而定,一般为 1000-3000VDC)

Guangzhou Jetekps Electronics Co., Ltd. (Headquarters)
Address: 3 / F, building 2, Guangzhou Science Park, No. 9, Lanyu 4th Street, Huangpu District, Guangzhou
Tel: 13699843466 Email: jetek@jetekcn.com

Chongqing Jetekps Electronics Co., Ltd. (Chongqing Branch)
Address: Beisan Road, Dazu Industrial Park, Chongqing
Tel: 023-43366032 Fax: 023-43361211

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Zhu Xunyu 13699843466

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