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Berlin 2005 – scientific programme

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T: Teilchenphysik

T 710: Trigger und DAQ IV

T 710.3: Talk

Wednesday, March 9, 2005, 14:30–14:45, TU H4105-4106

Pierre Auger surface detector trigger based on the Altera Cyclone FPGA. — •Zbigniew Szadkowski and Karl-Heinz Kampert — University of Wuppertal

The Pierre Auger Observatory surface array will contain 1600 water Cherenkov detectors working autonomously and processing local shower triggers. After digitizing the PMTs signals in 40 MHz FADCs the data are processed by Altera PLD chips working as trigger/memory circuitry. We present a new powerful and cost-effective realization based on the Altera FPGA family Cyclone. It allows more sophisticated trigger definitions at lower power consumption, simpler board design and lower cost. The hardware and software design is presented and results of detailed tests in the lab and in the field are discussed. The new design may be used for the completion of the Southern side and is also at present the best cost-effective option for Auger North.

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