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Pixelwise readout circuit with current mirroring injection for microbolometer FPAs

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4 Author(s)
Hwang, C.H. ; Dept. of Electron. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol., Daejeon ; Kim, C.B. ; Lee, Y.S. ; Lee, H.C.

A pixelwise readout circuit for application in microbolometer focal plane arrays (FPAs) is studied. A current mirroring injection input circuit that is suitable for a pixelwise architecture and has high responsivity is proposed. The noise equivalent temperature difference can be improved to 31 mK.

Published in:

Electronics Letters  (Volume:44 ,  Issue: 12 )