High-speed Data Acquisition System for Detectmg Signal of Infrared Focal Plane Arrays

With 12-bit A/D converter AD9220, a data acquisition system controlled by single-chip computer for detecting signal of IRFPA (Infrared Focal Plane Arrays) was designed. The system's circuitry is simple, and the data acquisition and storage of the system are fully realized by hardware, the sampling frequency only depends on what A/D converter is chosen, and has nothing to do with the speed of single-chip computer, so the high-speed data acquisition is available. The experimental results show the system satisfies operation requirement of detecting signal of IRFPA.