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A new ATLAS pixel front-end IC for upgraded LHC luminosity

Abstract : A new pixel Front-End (FE) IC is being developed in a 130 nm technology for use in the upgraded ATLAS pixel detector. The new pixel FE will be made of smaller pixels (50 x 250 mu m vs. 50 x 400 mu m for the present FE, FE-13), a much improved active area over inactive area ratio, and a new analog pixel chain tuned for low power and new detector input capacitance. The higher luminosity for which this IC is tuned implies a complete redefinition of the digital architecture logic, which will not be based on End-of-Column data buffering but on local pixel logic and local pixel data storage. An overview of the new FE is given with particular emphasis on the new digital logic architecture and possible architecture variations.
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Contributor : Danielle Cristofol <>
Submitted on : Tuesday, July 30, 2013 - 1:55:06 PM
Last modification on : Thursday, January 18, 2018 - 2:21:07 AM




M. Barbero, D. Arutinov, R. Beccherle, G. Darbo, R. Ely, et al.. A new ATLAS pixel front-end IC for upgraded LHC luminosity. 8th International Conference on Position Sensitive Detectors, Sep 2008, Glasgow, United Kingdom. pp.397 - 399, ⟨10.1016/j.nima.2009.01.160⟩. ⟨in2p3-00849178⟩



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