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<para> A 1.9 random noise CMOS image sensor has been developed by applying an active feedback operation (AFO), which uses a capacitive feedback effect to floating diffusion (FD) by a gate–source capacitance of a pixel source follower (SF), in a CMOS image sensor with a lateral overflow integration capacitor (LOFIC) technology. It is described that the AFO is suitable for CMOS image sensors...
A low noise CMOS image sensor without degradation of saturation performance has been developed by using column amplifiers of the gains of about 1.0 in a lateral overflow integration capacitor technology. The 1/4-inch, 4.5-µm pitch, 800H × 600V pixels CMOS image sensor fabricated by a 0.18-µm 2P3M technology including a buried pinned photo-diode structure has achieved fully linear response, 0.98 column...
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