The radiant energy analog to digital converter stage 1 wherein said {HEAD ~ gating means} is {TAIL ~ an inverter logic device} 
The radiant energy analog to digital converter stage 1 wherein said { HEAD ~ gating means } is { TAIL ~ an inverter logic device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL