The analog to digital converter 1 wherein said first device comprises an N channel field effect transistor having {TAIL ~ a gate terminal} adapted to receive {HEAD ~ said analog voltage} 
The analog to digital converter 1 wherein said first device comprises an N channel field effect transistor having { TAIL ~ a gate terminal } adapted to receive { HEAD ~ said analog voltage }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD