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DS90UB953-Q1: Routing the DOUTP and DOUTN in COAX mode

Part Number: DS90UB953-Q1

Dear * 

I have a question what is better when the 953 is used in COAX mode?

C1 is the AC capacitor on DOUTP
C2 is the AC capacitor on DOUTN
R1 is the 50Ohm termination for DOUTN
What is better to have:
a) the termination  C2 and R1 close to the FPDLINK953 and then have a single-ended line (50OHM)  DOUTP pin  to the  C1, where the C1 is close to the connector
b) the termination C2, R1 and the C1 close to connector and have a 100OHM diff pair from  DOUTP, DOUTN pins  to the C1 and C2  which are close to the connector (length of the diff pair is 9mm or 358mils)
Best Regards.