The encoding circuit converts the binary signals supplied from {HEAD ~ the first and second comparator groups} to digital data of {TAIL ~ a binary code} corresponding to the product of the first and second analogue signals to output the digital data 
The encoding circuit converts the binary signals supplied from { HEAD ~ the first and second comparator groups } to digital data of { TAIL ~ a binary code } corresponding to the product of the first and second analogue signals to output the digital data
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH