Proposed single-chip integrated-circuit image sensor contains 128 x 128 array of active pixel sensors at 50-micrometer pitch. Output terminals of all pixels in each given column connected to analog-to-digital (A/D) converter located at bottom of column. Pixels scanned in semiparallel fashion, one row at time; during time allocated to scanning row, outputs of all active pixel sensors in row fed to respective A/D converters. Design of chip based on complementary metal oxide semiconductor (CMOS) technology, and individual circuit elements fabricated according to 2-micrometer CMOS design rules. Active pixel sensors designed to operate at video rate of 30 frames/second, even at low light levels. A/D scheme based on first-order Sigma-Delta modulation.


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    Titel :

    Active-Pixel Image Sensor With Analog-To-Digital Converters


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    01.07.1995



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch







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