Time-delay integration through reduction of delay between subsequent capture operations of a light-detection device

摘要

Disclosed are a system, a method and an apparatus of reduction of delay between subsequent capture operations of a light-detection device. In one embodiment, a light-detection circuit includes an avalanche photodiode implemented in a deep submicron CMOS technology. In addition, the light-detection circuit includes a passive quench control circuit to create an avalanche current that generates a high voltage at an output of a second inverter gate of the circuit. The light-detection circuit further includes an active quench control circuit to reduce a dead time of the circuit. The light-detection circuit also includes a reset circuit to create a low voltage at an output of the second inverter gate and to create an active reset through a PMOS transistor of the light-detection circuit.