Television – Camera – system and detail – Solid-state image sensor
Reexamination Certificate
2005-05-31
2005-05-31
Ho, Tuan (Department: 2615)
Television
Camera, system and detail
Solid-state image sensor
C348S241000
Reexamination Certificate
active
06900839
ABSTRACT:
An ultra-low noise, high gain interface pixel amplifier is provided with capability for single-photon readout of standard photodetectors at high electrical bandwidths for diverse spectral bandpass from the x-ray to long IR bands. The detector charge modulates a source follower whose output is double sampled to remove correlated noise by a compact stage that also provides optimum level shift for subsequent amplification of the full signal excursion. The level-shifted signal finally drives a compact amplifier that generates a robust end-to-end transimpedance. Single-photon readout of photodetectors at high electrical bandwidths in small pixel areas is thereby facilitated.
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Kozlowski Lester J.
Tennant William E.
Aggarwal Yogesh
Ho Tuan
Reed Smith LLP
Rockwell Science Center LLC
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