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