Impacts of random telegraph noise with various time constants and number of states in temporal noise of CMOS image sensors

Rihito Kuroda, Akinobu Teramoto, Shigetoshi Sugawa

研究成果: Article査読

抄録

This paper describes the impacts of random telegraph noise (RTN) with various time constants and number of states to temporal noise characteristics of CMOS image sensors (CISs) based on a statistical measurement and analysis of a large number of MOSFETs. The obtained results suggest that from a trap located relatively away from the gate insulator/Si interface, the trapped carrier is emitted to the gate electrode side. Also, an evaluation of RTN using only root mean square values tends to underestimate the effect of RTN with large signal transition values and relatively long time constants or multiple states especially for movie capturing applications in low light environment. It is proposed that the signal transition values of RTN should be incorporated during the evaluation.

本文言語English
ページ(範囲)171-179
ページ数9
ジャーナルITE Transactions on Media Technology and Applications
6
3
DOI
出版ステータスPublished - 2018

ASJC Scopus subject areas

  • Signal Processing
  • Media Technology
  • Computer Graphics and Computer-Aided Design

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