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Interface board for the first prototype of the AMIGA muon detector

Abstract:

The AMIGA project is an enhancement of the Pierre Auger Observatory. The engineering array consists in a hexagon of seven scintillator counters in each of the vertices and center, buried close to each station of an Auger Surface Detector infill. The counters are divided in 10 m2 modules segmented in 64 scintillator strips and coupled to a multi-anode PMT. The electronic system of a single module acquires and processes the signals of the PMT, and transfers the data to the surface. An electronics interface board was designed to extract the data from the counter and to provide a remote control of the system. In this work, we present its design and performance during the AMIGA first acquisition period in 2012.