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TDR Run 3 Editor meeting 12 June 2013 - PHOS

TDR Run 3 Editor meeting 12 June 2013 - PHOS. D. Roehrich / B. Skaali See also meeting 31 May 2013 https://indico.cern.ch/conferenceDisplay.py?confId=253674. Updated Summary by A. Kluge - PHOS with reference to TPC and EMCal. BLUE : information added or updated

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TDR Run 3 Editor meeting 12 June 2013 - PHOS

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  1. TDR Run 3 Editor meeting 12 June 2013 - PHOS D. Roehrich / B. Skaali See alsomeeting 31 May 2013 https://indico.cern.ch/conferenceDisplay.py?confId=253674

  2. UpdatedSummary by A. Kluge - PHOS withreference to TPC and EMCal BLUE: informationadded or updated (24 CRUs if separate readoutadded FEE TOF electronics) RED: RO optionbasedon TPC type P2P, under development in Bergen, seefollowingpages To implementthe EMCal type P2P, necessaryengineeringresources must be found, under discussion.

  3. KeepFECs • 112 FECs per module • 64 channels per FEC (32 Lowgain + 32 High gain) • Black event: 64 channels x 64 timebins x 10 bits: 41 kbit/event per FEC • Alternative: 32 timebins withshorter FEC shaping time => 20 kbit/event per FEC • Zero-suppression (10% occupancy): 4 kbit/event per FEC-> 200 Mbit/s @ 50 kHz (100 Mbit/s @ 50 kHz)-> scale up withhigheroccupancy in Pb-Pb • Upgrade architecture: P2P links (optical or electrical) to CRU Upgrade ofthe PHOS readoutelectronics

  4. P2P interfaceFECint adapter for FECs • FECint implements • 1 GBT optical link (3 Gbit/s) • and/or several E-links (320 Mbit/s) • one FECintcan serve 2-3 FECs • 32 E-links per CRU • -> 16 CRUs (4 modules) • Status • test of prototype FECint Upgrade ofthe PHOS readoutelectronics

  5. FECint design

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