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Circuit for microbolometer bias-heating cancellation

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3 Author(s)
Xu, Y.P. ; Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore ; Qian, X.B. ; Karunasiri, G.

A new circuit for microbolometer bias-heating cancellation is described. The circuit is based on the equivalence between the electrical and thermal capacitance. A replica of the bias-heating effect is generated on the electrical capacitance and is used to effectively cancel the bias heating of the microbolometer. The cancellation is tunable

Published in:

Electronics Letters  (Volume:36 ,  Issue: 24 )