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Digital read-out integrated circuit for the digital reading of high-speed image sensors

Authors: Serra Graells, Francisco; Margarit-Taulé, Josep Maria; Terés, Lluís;

Digital read-out integrated circuit for the digital reading of high-speed image sensors

Abstract

La invención relaciona a los circuitos integrados del read-out (ROIC) para las agrupaciones del sensor de imagen de la lectura. La invención comprende una topología nueva del modulador del impulso como parte del convertidor análogo-digital para los pixeles digitales activos, que atenúa las pérdidas de la señal causadas por el tiempo de la inicialización del integrador análogo. La invención también comprende el uso de la función posibilitando la cancelación del ruido de baja frecuencia del integrador análogo que usa muestreo doble correlacionado. La invención es tecnología actual excesiva ventajosa en que él los aumentos la velocidad de la captura de la imagen o reduce alternativomente el consumo de energía en pixeles activos sin una pérdida de la resolución.

The invention relates to read-out integrated circuits (ROIC) for reading image sensor arrays. The invention comprises a novel pulse modulator topology as part of the analog-digital converter for active digital pixels, which attenuates signal losses caused by the initialisation times of the analog integrator. The invention also comprises the use of the function enabling cancellation of the low-frequency noise of the analog integrator using correlated double sampling. The invention is advantageous over current technology in that it increases the image capture speed or alternatively reduces the power consumption in active pixels without a loss of resolution.

Fecha de solicitud: 19-11-2009.- Titular: Consejo Superior de Investigaciones Científicas (CSIC)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green