A single-chip 306×244-pixel CMOS NTSC video camera
- 27 November 2002
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. sc 32 (01936530) , 170-171,
- https://doi.org/10.1109/isscc.1998.672420
Abstract
Recently, a technological alternative to CCD in the form of cameras using sensors built from standard CMOS processes has appeared, and we report here a further milestone. A single-chip NTSC video camera can be partitioned into analog (custom) and digital (cell-based) sections. The sensing heart of the device is an array of 306/spl times/244 photosensitive elements, each comprising a three-transistor active pixel based on a standard CMOS n +/p-well photodiode. Photocharge integrated in the pixel during exposure is read row-sequentially into a column structure that removes the systematic offset of each pixel by a read sequence with correlated double sampling.Keywords
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