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