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AMC1301: High frequency interference in system while EMI testing

Part Number: AMC1301
Other Parts Discussed in Thread: AMC1300B-Q1

Hi Team,

i met a trouble on one of my customer on EMI testing. customer is using our AMC1301 in current sensing and when they do system EMI testing, customer found there is 20MHz high frequency interference exist in system.  for now, customer point that the root cause may lay on AMC1301.

From our system block in AMC1301, we have a OSC inside and may i know the frequency? i list some schemtic and diagram below:

could you help check is there any potential risk on our design?

BR

Brandon