An analog front-end in standard 0.25um CMOS for silicon pixel detectors in ALICE and LHCb


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Dinapoli, R. and Cantatore, E. and Cencelli, V. and Heijne, E. and Jarron, P. and Lamanna, P. and O'shea, V. and Quiquempoix, V. and San Segundo Bello, D. and Snoeys, W. and van Koningsveld, B. and Wyllie, K. and Campbell, M. (2000) An analog front-end in standard 0.25um CMOS for silicon pixel detectors in ALICE and LHCb. In: Sixth Workshop on Electronics for LHC Experiments, LEB 2000, 11-15 September 2000, Krakow, Poland.

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Abstract:A new front-end has been implemented on a pixel detector readout chip developed in a commercial 0.25?m CMOS technology for the ALICE and LHCb experiments. This technology proves to be radiation tolerant when special layout techniques are used, and provides sufficient density for these applications. A non-standard topology was used for the front-end, to achieve low noise and fast return to zero of the preamplifier to be immune to pile-up of subsequent input signals. The chip is a matrix of 32 columns each containing 256 readout cells. Each readout cell comprises this frontend and digital readout circuitry, and has a static power consumption of about 60 ?W. The complete readout cell will be described, but the paper will be mainly focussed on the front-end section.
Item Type:Conference or Workshop Item
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/67632
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