PROJECT TITLE :
Low-noise readout circuit for thermo-electrical cooler-less uncooled microbolometer infrared imager
A low-noise analogue frontend readout circuit is presented for VOx microbolometer infrared imager while not thermo-electrical cooler. A changed differential mirror structure with substrate temperature and self-heating effect compensation ability is used, targeting below 40 mK noise equivalent temperature difference (NETD) with seventeen μm pixel pitch. Noise characteristics are investigated to convey an optimal trade-off approach to reach lower NETD at same power consumption compared with ancient readout structures.
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