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CMOS optical-sensor array with high output current levels and automatic signal-range centring

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4 Author(s)
S. Espejo ; Centro Nacional de Microelectron., Seville Univ. ; R. Dominguez-Castro ; R. Carmona ; A. Rodriguez-Vazquez

A CMOS compatible photosensor with high output current levels, and an area-efficient scheme for automatic signal-range centring according to illumination conditions are presented. The high output current levels allow the use of these devices in continuous-time asynchronous imagers, as well as in high-sampling-frequency applications

Published in:

Electronics Letters  (Volume:30 ,  Issue: 22 )