The present invention provides a light detector circuit using {HEAD ~ reverse biased photodiodes} configured to {TAIL ~ null common currents} flowing through the photodiodes 
configured to
The present invention provides a light detector circuit using { HEAD ~ reverse biased photodiodes } configured to { TAIL ~ null common currents } flowing through the photodiodes
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH