My ctm use LM22676 as the buck dc/dc in their system, which is only dc/dc. 12 Vin and 3.3 V out, the processor is NXP RT1052, PHY 8081.We can't pass GBT 9254_ClassB EMI test.
the testing data \ sch and PCB file are as attatchment.
Would you pls give us some recommendation on this issue?
Thanks very much.