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LP cosmic Trigger

LP cosmic Trigger. Th. Chaminade, P. Colas, K. Dehmelt, M. Karolak, G. De Lentdecker, S. Hervé, X. Janssen, D. Jourde, Y. Kato, H. Kuroiwa, Y. Kudenko, T. Matsuda, F. Pierre, J.M. Reymond, M. Riallot, F. Senée, S. Turnbull. Support mechanics and wrapping ready since Feb-March

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LP cosmic Trigger

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  1. LP cosmic Trigger Th. Chaminade, P. Colas, K. Dehmelt, M. Karolak, G. De Lentdecker, S. Hervé, X. Janssen, D. Jourde, Y. Kato, H. Kuroiwa, Y. Kudenko, T. Matsuda, F. Pierre, J.M. Reymond, M. Riallot, F. Senée, S. Turnbull

  2. Support mechanics and wrapping ready since Feb-March 1 module has been assembled (3 slabs) P. Colas, LP trigger

  3. Thermics (J.M. Reymond) Based on thermoelectric coolers (TEC) (Peltier devices) and hybrid HYTEK controller HY5610 controller: 12v, +/- 2Amps, Stability 0,01°C Proportional / Integral Control Upper Copper Thermic gel Lower Copper Al Support

  4. The thermo-mechanics and card support is designed. The supplies and cables are delivered. The final delivery of mechanical pieces is due to June 26. P. Colas, LP trigger

  5. Status as of early May 2008, with test PCB: not perfect (oscillation of the amplifiers), but works Decision to go for a clean card 10 mV P. Colas, LP trigger

  6. The first final card arrived and was tested yesterday Excellent result: 40 mV/photo-electron, stable signals Other cards to be delivered tomorrow Analogic sum of 2 MPPCs 40 p.e. : expect 1.6 V output 40 mV P. Colas, LP trigger

  7. The trigger system will be soon ready for mounting. Will use standard logic modules at the beginning, maybe TLU when available. Later on the logic should be programmed on a FPGA. P. Colas, LP trigger

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