HARDROC1, readout chip of the Digital Hadronic Calorimeter of ILC

  • S. Callier
  • , F. Dulucq
  • , C. De La Taille
  • , G. Martin-Chassard
  • , N. Seguin-Moreau
  • , R. Gaglione
  • , I. Laktineh
  • , H. Mathez
  • , V. Boudry
  • , J. C. Brient
  • , C. Jauffret

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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 current preamplifier with 6 bits variable gain (tunable between 0 and 4) Variable shaper (75-150ns) 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 autotrig down tolO 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.

Original languageEnglish
Title of host publication2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC
Pages1851-1856
Number of pages6
DOIs
Publication statusPublished - 1 Dec 2007
Externally publishedYes
Event2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC - Honolulu, HI, United States
Duration: 27 Oct 20073 Nov 2007

Publication series

NameIEEE Nuclear Science Symposium Conference Record
Volume3
ISSN (Print)1095-7863

Conference

Conference2007 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS-MIC
Country/TerritoryUnited States
CityHonolulu, HI
Period27/10/073/11/07

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