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1 LAL - Laboratoire de l-Accélérateur Linéaire

Abstract : The front end electronic PMF of the future ATLAS luminometer is described here. It is composed by a MAPMT and a compact stack of three PCBs which deliver the high voltage, route and readout the output signals. The third board contains a FPGA and MAROC, a 64 channels 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.

Autor: P. Barrillon - S. Blin - C. Cheikali - D. Cuisy - M. Gaspard - D. Fournier - M. Heller - W. Iwanski B. Lavigne - C. De La Taille



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