ADF4351_unlock

Hello.

I'm having an unlock issue with an ADF4351 mounted on a customer's board.

The PLL settings are as follows.

 R0:0x00471BC0

 R1:0x0000E001

 R2:0x60004E42    

 R3:0x000004B3     

 R4:0x00AF602C

Attach the simPLL file.

ADF4351.zip

Q1:What are the parameters that should we be re-consideration?

Please advise us.

Best regards,