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