Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development 1 Front-End-Electronics for ILC Calorimeter Development G. Blanchard, P. Gay, S. Manen, F. Morisseau, L. Royer(LPC-Clermont) & Y. Gao, G. Gong, H. Gong, Z. Yang (Tsinghua Univ.)

Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development 2 ILC Physics program

Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development 3 Physics event e + e -  tt _

Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development 4 Typical final states

Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development 5 High granularity calorimeter EcalHcal Ecal Hcal

Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development 6 Detector slab and ASU New generation Active Sensor Units (silicon wafer on PCB) Old generation (as installed in the actual CALICE prototype) Very front end chip inside the detector

7 Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development Very Front End and ReadOut Acquisition Detector Front-end Read-out RAQ ADC Wafer Granularity ≈35 M channels high integration level low consumption < 5mW / channel X-bunching 150 ns large dynamics 15 bits performed w/ LAL

8 Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development ASU-DAQ for ECAL ASUDAQ PC USB Active Sensor Unit Features full slow control including internal probing system control access to analog test points (embedded ADC) read out of the Very FRont End trought USB & PC mechanical jaw providing damageless contacts to Active Sensor Unit

9 Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development ASUDAQ for ECAL prototype schematics interfaceUSB PC slow control ADC data probe Event builder CCC ethernet Generic connectors waiting for final specifications : use of adaptor mezzanines Large number of I/O for flexibility Various I/O format : LVDS, LVCMOS, NIM, Analog (10b, 40 MHz, ADC included) USB for slow control and read-out Connector for options : LDAitf, ethernet, debug, …

10 Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development ASUDAQ PC jaw ASU Adapter board Damageless contact to ASU Cosmic ray test bench Hodoscope (trigger) … Control and read-out ASUDAQ PC jaw ASU Expansion to few ASU Dedicated software Next version will provide an higher automation level μ TRIG CLK ASUDAQ for ECAL usage

11 Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development InSituDebugRAQ concept Standard DAQ Special link DebugRAQ Dedicated PC On beam simplified RAQ devoted to monitor and debug a few Very Frot End chips accurate diagnostic of unexpected behavior monitoring (internal probes) maintenance Can run alone, eventually with no beam compatible with machine interface or specific trigger and timing Dedicated Software to ease debugging Simultaneous DAQ operations allowed

12 Y. Gao & P. Gay FCPPL FEE for ILC Calorimeter Development Cooperation between LPC-Clermont & Tsinghua Univ. Expertise LPC-Clermont - 10 bits ADC already realized - Support from electronics team - Involves in CALICE Collaboration - RAQ is starting on prototype schematics Tsinghua Univ. - LHCb DAQ and commission - Trigger system for DaYaBay Experiment

13 Conclusion Front-End-Electronics is crucial and very challenging for ILC Calorimeter development LPC-Clermont & Tsinghua Univ. would like to team up under FCPPL support to work on the R&D of FEE for ILC Calorimeter. Thank You !