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HARDROC, HAdronic Rpc Detector ReadOut Chip

Abstract : HARDROC is a complete readout chip in SiGe 0.35µm of the RPCs or GEMs foreseen for a Digital HAdronic CALorimeter (DHCAL) at the ILC. The ASIC integrates 64 channels of • fast low impedance preamplifier with 6bits variable gain (tunable between 0 and 4) • variable shaper (50-150ns) and Track and Hold to provide a multiplexed analog charge output up to 10pC. • variable gain fast shaper (15ns) followed by two low offset discriminators to autotrigg down to10 fC. The thresholds are loaded by two internal 10 bit- DACs. • A 128 deep digital memory to store the 2*64 discriminator outputs and bunch crossing identification coded over 24 bits counter. The design and measured performance of the chip will be presented.
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http://hal.in2p3.fr/in2p3-00308903
Contributor : Sabine Starita <>
Submitted on : Monday, August 4, 2008 - 11:11:19 AM
Last modification on : Wednesday, September 16, 2020 - 4:13:40 PM

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  • HAL Id : in2p3-00308903, version 1

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N. Seguin-Moreau, M. Bouchel, C. de la Taille, G. Martin-Chassard, R. Gaglione, et al.. HARDROC, HAdronic Rpc Detector ReadOut Chip. TWEPP-07 Topical Workshop on Electronics for Particle Physics Search, Sep 2007, Prague, Czech Republic. ⟨in2p3-00308903⟩

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