According to the present invention, the total gain is continuous across {TAIL ~ the thresholds} of minimum shutter gain and {HEAD ~ minimum chip gain} 
According to the present invention , the total gain is continuous across { TAIL ~ the thresholds } of minimum shutter gain and { HEAD ~ minimum chip gain }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD