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