Hi Daniele That may work. You may still need the additional resistors to ground from Q0 and /Q0 of the PECL translator. It would be best to include those in the circuit board design and if they are un-needed leave the components un-populated. The goal is to satisfy the SYSREF V CMI and V ID requirements of ADC12DL3200 datasheet Table 6.3 Recommended Operating Conditions. This is with the assumption that SYSREF_LVPECL_EN = 1 and there is 50 ohm termination to GND at SYSREF+ and SYSREF-. Best regards, Jim B
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