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PMF : the front end electronic of the ALFA detector

Abstract : The front end electronic (PMF) of the future ATLAS luminometer is described here. It is composed of a MAPMT and a compact stack of three PCBs which deliver the high voltage, route and readout the output signals. The third board contains an FPGA and MAROC, a 64-channel ASIC which can correct the non uniformity of the MAPMT channels gain thanks to a variable gain preamplifier. Its main role is to shape and discriminate the input signals at 1/3 photo-electron and produce 64 trigger outputs. Laboratory tests performed on prototype and pre-series PMFs have showed performances in good agreement with the requirements and have fulfilled the approval criteria for the final production of all elements.
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Submitted on : Thursday, February 4, 2010 - 2:52:35 PM
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P. Barrillon, S. Blin, C. Cheikali, D. Cuisy, M. Gaspard, et al.. PMF : the front end electronic of the ALFA detector. 1st International Conference on Technology and Instrumentation in Particle Physics (TIPP09), Mar 2009, Tsukuba, Japan. pp.463-465, ⟨10.1016/j.nima.2010.03.037⟩. ⟨in2p3-00453383⟩



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