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FEE2006 Perugia May 2006

Philippe Farthouat, CERN

Impact of BCO on LAr Calorimeter

TTC electronics in the front-end

Any deviation from 40 MHz would require replacement of components (crystals / QPLL) substantial work

Read-out links speed limited to 32-bit/40 MHz

Any BCO frequency > 40 MHz would lead to combining several crossings in one data sample

Extra processing power necessary to disentangle them change of back-end electronics

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