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   Trace out the physical location of the data nearField2.000 at EUT and modify relative components (for example, replace the component with one having lower switch speed; insert a decoupling capacitor) or modify the circuit structure (for example, enlarge the ground pan, append shielding) to reduce or even remove the EMI occurring at moment A.

   Repeat above steps, until the radiated EMI at 199MHz is reduced and accord with EMC standard or with user requirement.