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