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Poster communications

“ROC” Chips Readout

Abstract : The OMEGA group at LAL has designed 3 chips for ILC calorimeters: one analog (SPIROC) and one digital (HARDROC) for the hadronic one and also one for the electromagnetic one (SKIROC). The readout and the management of these different chips will be explained. To minimize the lines between the ASICs and the DAQ, the readout is made thanks to 2 lines which are common for all the chips: Data and TransmitOn. As the chips are daisy chained, each chip is talking to the DAQ one after the other. When one chip has finished its readout, it starts the readout of the chip just after. Moreover, during this readout, only the chip which is talking to the DAQ is powered: this is made thanks to the POD (Power On Digital) module in the ASIC. In the ILC mode, readout sequence is active during inter bunch crossing (like ADC conversion). Another chip designed for PMM2 R&D program (PARISROC) integrates a new selective readout: that's mean only hit channels are sent to the DAQ in a complete autonomous mode.
keyword : ROC chips
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Poster communications
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http://hal.in2p3.fr/in2p3-00425501
Contributor : Sabine Starita <>
Submitted on : Wednesday, October 21, 2009 - 5:47:28 PM
Last modification on : Wednesday, September 16, 2020 - 4:19:53 PM
Long-term archiving on: : Wednesday, June 16, 2010 - 12:57:48 AM

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Twepp2009_RocChipsReadout.pdf
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  • HAL Id : in2p3-00425501, version 1

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IN2P3 | LAL | CNRS

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F. Dulucq, C. de la Taille, G. Martin-Chassard. “ROC” Chips Readout. Dho E. Topical Workshop on Electronics for Particle Physics (TWEPP-09), Sep 2009, Paris, France. Cern, pp.491-494, 2009. ⟨in2p3-00425501⟩

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