LP cosmic Trigger
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Transcript of LP cosmic Trigger
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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
LP cosmic Trigger
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Warsaw, June 12, 2008 P. Colas, LP trigger 2
Support mechanics and wrapping ready since Feb-March
1 module has been assembled (3 slabs)
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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
Al Support
Lower Copper
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Warsaw, June 12, 2008 P. Colas, LP trigger 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.
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Warsaw, June 12, 2008 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
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Warsaw, June 12, 2008 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
40 mV
Analogic sum of 2 MPPCs
40 p.e. : expect 1.6 V output
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Warsaw, June 12, 2008 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.