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TPS57040-Q1: Tps57040 EMC test (RE out of limits)

Part Number: TPS57040-Q1

Dear all,

Our EMC test RE out of limits(1.4M -2db); There was no effect when we changed input output capacitor value, inductor value.

But we added a ferrite bead series with the continuous diode, the problem solving.

So, we want to know if we can use like below;

Thanks!