Maximum gain, minimum chip gain, and {HEAD ~ maximum shutter gain} are programmable according to {TAIL ~ the present invention} 
programmable according to
Maximum gain , minimum chip gain , and { HEAD ~ maximum shutter gain } are programmable according to { TAIL ~ the present invention }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL