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The most commonly used pixel structure in Integrated Circuit (IC) technologies is the three-transistor pixel structure (3T). This structure consists of a pixel, a reset transistor, as source follower and a pixel select transistor. It has been shown that this structure exhibits the best performance and reliability, although no real in-depth analysis has been previously presented. In this paper, a thorough analysis and optimization of this structure has been done. Simulation results depicting this optimization for the AMS S35D4M5 process is provided to support the mathematical contribution of this paper.
Date of Conference: 7-9 Nov. 2011