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SUMMARY:FastRICH: A Radiation-Tolerant Front-End ASIC for Precision Timing
  in the LHCb RICH Detector
DTSTART:20261103T080000Z
DTEND:20261103T093000Z
DTSTAMP:20261102T155300Z
UID:indico-event-1724631@indico.cern.ch
DESCRIPTION:Speakers: Gianmario Bergamin (CERN)\n\nThis seminar will prese
 nt FastRICH\, a 16-channel\, radiation-tolerant front-end ASIC developed f
 or single-photon readout in the LHCb RICH detector upgrades for the High-L
 uminosity LHC. Designed in a 65 nm CMOS technology\, the chip provides pre
 cise timestamping at 40 MHz with a timing resolution better than 30 ps rms
 \, enabling suppression of out-of-time background and improved particle id
 entification. FastRICH integrates a low-noise analogue front-end compatibl
 e with multi-anode photomultiplier tubes (MAPMTs)\, silicon photomultiplie
 rs (SiPMs) and microchannel plate (MCP) sensors\, followed by constant-fra
 ction and leading-edge discriminators. An on-chip\, PLL-based time-to-digi
 tal converter provides 24.4 ps time-of-arrival (ToA) and 390 ps time-over-
 threshold (ToT) binning. The digital architecture combines programmable ti
 me gating\, zero suppression and adaptive packet formatting\, transmitting
  data over up to four Aurora 64b/66b serial links at up to 1.28 Gb/s per l
 ink. The seminar will detail the circuit architecture\, design strategy an
 d key features of FastRICH\, presenting the main design choices behind its
  analogue\, timing and digital readout blocks. Results from single-ASIC ch
 aracterization will be discussed\, together with examples of its operation
  coupled to photosensors.\n\nhttps://indico.cern.ch/event/1724631/
LOCATION:13/2-005 (CERN)
URL:https://indico.cern.ch/event/1724631/
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