Re: RFI from mains ethernet adaptors

Brent Seres/ VE3CUS

FWIW,  here in Canada, I have opened up switching supplies and found spots on the circuit board where components were missing.  I've long suspected that these may have been filter components which were included in a device when submitted for testing and approval prior to sale, and left out for cost savings once approved  No proof...just suspicion..


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