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A low-noise readout circuit in 0.35-μm CMOS for low-cost uncooled FPA infrared network camera
Linköpings universitet, Institutionen för systemteknik, Elektroniska komponenter. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för systemteknik, Elektroniksystem. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för systemteknik, Elektroniska komponenter. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för systemteknik, Elektroniska komponenter. Linköpings universitet, Tekniska högskolan.
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2009 (engelsk)Inngår i: Infrared Technology and Applications XXXV, Proceedings of SPIE - The International Society for Optical Engineering, vol 7298, SPIE - International Society for Optical Engineering, 2009, Vol. 7298, artikkel-id 72982FKonferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

This paper describes a differential readout circuit technique for uncooled Infrared Focal Plane Arrays (IRFPA) sensors. The differential operation allows an efficient rejection of the common-mode noise during the biasing and readout of the detectors. This has been enabled by utilizing a number of blind and thermally-isolated IR bolometers as reference detectors. In addition, a pixel-wise detector calibration capability has been provided in order to allow efficient error corrections using digital signal processing techniques. The readout circuit for a 64×64 test bolometer-array has been designed in a standard 0.35-μm CMOS process. Circuit simulations show that the analog readout at 60 frames/s consumes 30 mW from a 3.3-V supply and results in a noise equivalent temperature difference (NETD) of 125 mK for f/1 infrared optics.

sted, utgiver, år, opplag, sider
SPIE - International Society for Optical Engineering, 2009. Vol. 7298, artikkel-id 72982F
Serie
Proceedings of SPIE, the International Society for Optical Engineering, ISSN 0277-786X ; 7298
Emneord [en]
Bolometer; Focal plane array (FPA); Readout circuit; Uncooled infrared imaging
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-21210DOI: 10.1117/12.819826ISBN: 08-1947-564-5 (tryckt)ISBN: 978-08-1947-564-0 (tryckt)OAI: oai:DiVA.org:liu-21210DiVA, id: diva2:240921
Konferanse
The International Society for Optical Engineering, April 13, 2009, Orlando, Florida, USA
Tilgjengelig fra: 2009-09-30 Laget: 2009-09-30 Sist oppdatert: 2019-09-05bibliografisk kontrollert

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Mesgarzadeh, BehzadSadeghifar, Mohammad RezaAlvandpour, Atila

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