Quantum well Infrared photodetector (QWIP) has high impedance, fast response time, long integration time, low power consumption and so on, special advantages in the area of Very Long Wavelength infrared (VLWIR) Focal Plane Array (FPA) applications. Readout integrated circuit (ROIC) is one of the core parts of FPA. On this paper, A Capacitive Feedback Transimpedance Amplifier (CTIA) CMOS ROIC was adopted for QWIP VLWIR FPA. Sensible illustrations with simulated result are showed. The simulated discharging waveforms of integration capacitor Cint at 55K, 77K, and 150K respectively is given. At last, we more analyze operation characteristics of CMOS in cryogenic temperature.
CMOS Readout Circuit with CTIA for Quantum Well Infrared Photodetector in Very Long Wavelength Infrared Application
2006-09-01
1165593 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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