Novel pixel calibration circuit for bolometer-type uncooled infrared image sensor

The research and design of low-noise imaging circuit is of great significance to enhance the imaging quality of the detector. To improve the imaging quality of an uncooled infrared imaging system, a low noise imaging circuit is designed. The generation scheme of bias voltage is emphasized, and the design methods of timing drive module and ADC conversion module are briefly described. A filter with a pass-band cutoff frequency of 1 Hz is designed at the bias voltage output to filter out high-frequency noise. The experimental results show that the precision of bias voltage is over 98% and the RMS noise of bias voltage below 1kHz is 1.4uV. The feasibility of other modules is verified by simulation and experiment.

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Design of low noise electrical system for uncooled long wave infrared imaging

Zhu

Zhan

Tian

et al. 2020

IOP Conf. Ser.: Mater. Sci. Eng.

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Novel pixel calibration circuit for bolometer-type uncooled infrared image sensor

Cited by 1 publication

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Design of low noise electrical system for uncooled long wave infrared imaging

Design of low noise electrical system for uncooled long wave infrared imaging

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