wherein the delay is adjusted based on a single control signal that is generated based on both the first and second time differences using dual edge phase detection, and the dual edge phase detection is configured to use {HEAD ~ only the first component} of {TAIL ~ the first and second components} of the differential signal 
of
wherein the delay is adjusted based on a single control signal that is generated based on both the first and second time differences using dual edge phase detection , and the dual edge phase detection is configured to use { HEAD ~ only the first component } of { TAIL ~ the first and second components } of the differential signal
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