Dear Sir
Good days,
My customer use DP83848J in their board. and test surge by EN301489 define. but fail class D in 1KV surge test.
Surge is test in cable site. May you pls suggest some way to improve surge protect?
Best regards,
Bogey
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Dear Sir
Good days,
My customer use DP83848J in their board. and test surge by EN301489 define. but fail class D in 1KV surge test.
Surge is test in cable site. May you pls suggest some way to improve surge protect?
Best regards,
Bogey
Hi Bogey,
The DP83848J offer excellent EMI/EMC immunity.
Can you please describe a little more on the exact test being failed (EMI or EMC? , setup).
In general we have posted on the web several application note for good practice recommended method to design a more robust system.
Design & Layout Guide: http://www.ti.com/lit/an/snla079d/snla079d.pdf
Reducing Radiated Emission in Ethernet:http://www.ti.com/lit/an/snla107a/snla107a.pdf
Thanks,
Oren