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ADUM3070 EVB EMI Testing Fail

Question asked by Jacky-chen-2 on Dec 4, 2012
Latest reply on Dec 6, 2012 by bkennedy

Dear Sir:

After test the adum3070-evb , I find the EMI horizontal test is bad ,do you have any solution?

 

A): Vin P1/P2: +5Vdc

B): Vout P3/P4: +5Vdc

C): Iout P3/P4: 450mA

D): RL(Out) P3/P4: 110ohm/10W (CEMENT WIRE WOUND RESISTORS)

E): ROC(ADuM3070 Pin10):100K ohm(500K Hz)

F): R7/R8 0 ohm

G): C5/C6 10nF

H): Coilcraft Transformer JA4631-BL

 

 

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