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A High-Rate Energy-Resolving Photon-Counting ASIC for Spectral Computed Tomography
SP Devices AB.
Linköping University, Department of Electrical Engineering. Linköping University, The Institute of Technology.
SP Devices AB.
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-0111-2384
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2012 (English)In: IEEE Transactions on Nuclear Science, ISSN 0018-9499, E-ISSN 1558-1578, Vol. 59, no 1, 30-39 p.Article in journal (Refereed) Published
Abstract [en]

We describe a high-rate energy-resolving photon-counting ASIC aimed for spectral computed tomography. The chip has 160 channels and 8 energy bins per channel. It demonstrates a noise level of ENC= electrons at 5 pF input load at a power consumption of andlt;5mW/channel. Maximum count rate is 17 Mcps at a peak time of 40 ns, made possible through a new filter reset scheme, and maximum read-out frame rate is 37 kframe/s.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE) , 2012. Vol. 59, no 1, 30-39 p.
Keyword [en]
CMOS, photon counting, spectral computed tomography, x-ray detection
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-75723DOI: 10.1109/TNS.2011.2169811ISI: 000300422500005OAI: diva2:508710
Funding Agencies|Erling-Persson family foundation (Familjen Erling-Perssons stiftelse)||Available from: 2012-03-09 Created: 2012-03-09 Last updated: 2015-02-18

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