{TAIL ~ An adder device} adds the signals of the scaled input and digital arrays at corresponding array positions to form {HEAD ~ the output analog array} 
{ TAIL ~ An adder device } adds the signals of the scaled input and digital arrays at corresponding array positions to form { HEAD ~ the output analog array }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD