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about HMC7044 Multi-chips synchronization

Category: Hardware

Now, I have 1 HMC7044 master device and 4 HMC7044 slaver devices. The master device outputs 4 pairs of REFCLK(DC coupled, LVPECL) and RFSYNC(DC coupled, LVPECL) clocks to the slaver devices. The clock output from the master device is highly synchronized, but the phase between the clocks output from the slaver device is uncertain. My HMC7044 slaver devices is configured to clock distributor mode. How can I use RFSYNC to synchronize the output clocks of four slaver devices.