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