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This paper presents a new low-power readout structure for 1024×6 infrared focal plane array with 1/2 sub-scan time-delay-integration (TDI) and delay-locked-loop-based (DLL-based) analog-to-digital (A/D) function. The circuit is of low power for its passive sampling, delay, and summation completed by capacitor array. Multiple-capacitor structure is also used to make the circuit suffer less from capacitor...
This paper presents a novel two-step pixel-level analog-to-digital converter (ADC) design, which is embedded in a 17μm-pitch pixel for Infrared Focal Plane Array (IRFPA). Digitization includes two successive steps: the first is reciprocal and the second linear. With the reciprocal conversion, a high dynamic range is achieved, and the linear conversion, on the other hand, guarantees a suitable frame...
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