A ratio generator is preferably provided as the logic element to develop a logic signal that is a function of {HEAD ~ the ratio} of {TAIL ~ the partial currents} 
A ratio generator is preferably provided as the logic element to develop a logic signal that is a function of { HEAD ~ the ratio } of { TAIL ~ the partial currents }
OTH OTH OTH OTH OTH OTH OTH OTH OTH 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