How to check effectiveness of EMI / RFI filter

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chanchal.chauhan

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Hello,

I have one query.
How to check effectiveness of EMI / RFI filter?

Any help is greatly appreciated.

Regards
Chanchal
 

Easiest is to use an oscilloscope to monitor the waveforms before and after the filter to see how effective is it.
Cheers
 
Here Enclosed attachment is E.M.I filter I/p voltage & E.M.I. Filter o/p current. There is spikes on the o/p current of filer. Here i/p current is spike free.

How to find out from where spike is generating?

Thanks & Regards
Chanchal
 

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