adjusting a first negative transition parameter such that a first subsequent negative transition of the first output signal occurs in {HEAD ~ closer temporal proximity} to {TAIL ~ a first subsequent reference negative transition time} 
to
adjusting a first negative transition parameter such that a first subsequent negative transition of the first output signal occurs in { HEAD ~ closer temporal proximity } to { TAIL ~ a first subsequent reference negative transition time }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 TAIL TAIL TAIL