The Principle and Design of CMOS Active Pixel Sensor

Abstract

In today's increasingly prosperous global semiconductor development, CMOS image sensors have always been in the spotlight. The many advantages of CMOS such as lower production costs, smaller sensor sizes and lower production costs have allowed them to be used in a wide variety of devices. In this paper, the working principle of the 3-T active pixel sensor and its current applications are introduced, and the architecture and working mode of APS itself are also highlighted. The simulation software coolspice is then used to simulate the output values and timing of the circuit. In this paper, nine inputs of the same value and six pulse voltages are used to control the output sequence. The paper also describes the key technical problems of the APS itself and the solutions to these problems.