Abstract
In the framework of the KM3Net European project, the production stage of a large volume underwater neutrino telescope has started. The forthcoming installation includes 8 towers and 24 strings, that will be installed 100 km off-shore Capo Passero (Italy) at 3500 m depth. The KM3NeT tower, whose layout is strongly based on the NEMO Phase-2 prototype tower deployed in March 2013, has been re-engineered and partially re-designed in order to optimize production costs, power consumption, and usability. This contribution gives a description of the main electronics, including front-end, data transport and clock distribution system, of the KM3NeT tower detection unit.
Highlights
The KM3NeT tower is a semi-rigid three-dimensional structure composed of 14 floors and a basemodule (Fig. 1a)
This contribution gives a description of the main electronics, including front-end, data transport and clock distribution system, of the KM3NeT tower detection unit
The Power Supply System (PSS) is built around a Vicor DC/DC converter which receives the 375 V DC voltage from the tower-base module through a couple of conductors in the back-bone and produces a 5 V voltage that is in turn converted to the other needed voltages by separate low power DC/DCs
Summary
The KM3NeT tower is a semi-rigid three-dimensional structure composed of 14 floors and a basemodule (Fig. 1a). The floors are 8 m long structures that, after unfolding, are vertically spaced by 20 m, with the lowermost one located 100 m above the sea bottom, and are mechanically interlinked by a set of tensioning ropes kept taut by a system of buoys at the top of the tower. The base-module anchors the whole structure to the seabed. An overview of the layout of the KM3NeT tower and a brief description of the electronics devoted to data acquisition and data transport will be given
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