Abstract
CMOS image sensor (CIS) is heart of neoteric imaging system. Global shutter image sensor is more popular. In global shutter image sensor, each pixel has inbuilt storage capacity, by which it is possible to capture whole image at a time. Hence, it used for high-quality and motion blur-free imaging. Correlated double sampling (CDS) mechanism is introduced to reduce noise, and also it enables high-speed imaging. To incorporate CDS mechanism, at least two storage elements are required to obtain difference of reset signal and light signal. In this paper, new 8T global shutter pixel (GSP) based on 3T active pixel sensor (APS) is proposed. This 8T CIS architecture incorporates two storage elements for CDS operation. Theoretical analysis and simulation results based on spice model are reported in this paper. Simulation of proposed architecture is carried out in 0.35 μm technology using virtuoso analog design environment.
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Suthar, K., Thakker, R. (2018). A New Global Shutter 8T CIS Architecture with CDS Operation. In: Kher, R., Gondaliya, D., Bhesaniya, M., Ladid, L., Atiquzzaman, M. (eds) Proceedings of the International Conference on Intelligent Systems and Signal Processing . Advances in Intelligent Systems and Computing, vol 671. Springer, Singapore. https://doi.org/10.1007/978-981-10-6977-2_11
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DOI: https://doi.org/10.1007/978-981-10-6977-2_11
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