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A 1.5V(A)/0.8V(D) high dynamic range (HDR) readout integrated circuit (ROIC) with tunable sensitive range and fixed pattern noise (FPN) reduction for infrared focal plane arrays (IR FPAs) is presented. A pulse width modulation (PWM) readout with capacitive trans-impedance amplifier (CTIA) front end, dual-exposure extended-counting (DEEC) [1], and aligned time-control ramp (ATCR) generator are developed...
This paper proposes a 0.5V smart image sensor with multi-operation modes of edge extraction, centroid tracking, and high-dynamic-range imaging output. The 0.5V operated pulse-width-modulation (PWM) sensor [1] is applied to achieve a high dynamic range (HDR) response and reduce the fixed pattern noise (FPN). The array-level analog signal processing (ASP) is implemented by local inter-pixel feedback...
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