Compact active pixel with low-noise image formation

Details Compact active pixel with low-noise image formation Compact active pixel with low-noise image formation

2005-05-03

2005-05-03

Christensen, Andrew (Department: 2615)

Television

Camera, system and detail

Solid-state image sensor

C348S301000, C348S241000, C250S208100

Reexamination Certificate

active

06888572

ABSTRACT:
A low-noise active pixel circuit is disclosed that efficiently suppresses reset (kTC) noise by using a compact preamplifier consisting of a photodetector and only three transistors of identical polarity, in conjunction with ancillary circuits located on an imager's periphery. The use of only three transistors with a tapered reset signal allows the optical area to be increased, while still providing a low-noise imager.

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