wherein {HEAD ~ the comparison apparatus} comprises {TAIL ~ a comparator} having a first input that receives the reference voltage and a second input that receives a single ended signal of the differential signal, and 
comprises
wherein { HEAD ~ the comparison apparatus } comprises { TAIL ~ a comparator } having a first input that receives the reference voltage and a second input that receives a single ended signal of the differential signal , and
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH