{HEAD ~ An apparatus} for adjusting {TAIL ~ a phase difference} between a positive signal of a differential signal and a negative signal of the differential signal, the apparatus comprising: 
for adjusting
{ HEAD ~ An apparatus } for adjusting { TAIL ~ a phase difference } between a positive signal of a differential signal and a negative signal of the differential signal , the apparatus comprising :
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL 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