wherein the first time difference is between rising edges of {HEAD ~ the first component} of {TAIL ~ the distributed differential signal} and a second component of a phase shifted signal, and 
of
wherein the first time difference is between rising edges of { HEAD ~ the first component } of { TAIL ~ the distributed differential signal } and a second component of a phase shifted signal , and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH