Reset noise suppression in two-dimensional CMOS photodiode pixels through column-based feedback-reset

  title={Reset noise suppression in two-dimensional CMOS photodiode pixels through column-based feedback-reset},
  author={Bedabrata Pain and T. J. Cunningham and Bruce Hancock and G. Yang and Suresh Seshadri and M. Ortiz},
  journal={Digest. International Electron Devices Meeting,},
We present a new CMOS photodiode imager pixel with ultralow read noise through on-chip suppression of reset noise via column-based feedback circuitry. In a 0.5 /spl mu/m CMOS process, the pixel occupies only 10/spl times/10 /spl mu/m/sup 2/ area. Data from a 256/sup 2/ CMOS imager indicates imager operation with read noise as low as 6 electrons without employing on- or off-chip correlated double sampling. The noise reduction is achieved without introducing any image lag, and with insignificant… CONTINUE READING
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Analysis and enhancement of low-light-level performance of photodiode type CMOS active pixel imagers operated with sub-threshold reset,

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