Y. Gao & P. Gay 1 FCPPL 17-01-2008 @CPPMFEE for ILC Calorimeter Development

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 2 FCPPL 17-01-2008 @CPPMFEE for ILC Calorimeter Development

ILC Physics program

Y. Gao & P. Gay 3 FCPPL 17-01-2008 @CPPMFEE for ILC Calorimeter Development

Physics event

e+e-tt_

Y. Gao & P. Gay 4 FCPPL 17-01-2008 @CPPMFEE for ILC Calorimeter Development

Typical final states

Y. Gao & P. Gay 5 FCPPL 17-01-2008 @CPPMFEE for ILC Calorimeter Development

High granularity calorimeter

Ecal Hcal

Ecal

Hcal

Barrel module

1600840

1

80

Dˇtecteur SLAB

Y. Gao & P. Gay 6 FCPPL 17-01-2008 @CPPMFEE for ILC Calorimeter Development

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

7Y. Gao & P. Gay FCPPL 17-01-2008 @CPPMFEE for ILC Calorimeter Development

Very Front End and ReadOut Acquisition

Detector Front-endRead-outRAQ

ADCWafer

Granularity ≈35 M channels high integration level

• low consumption < 5mW / channel• X-bunching 150 ns • large dynamics 15 bits

performed w/ LAL

8Y. Gao & P. Gay FCPPL 17-01-2008 @CPPMFEE 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

9Y. Gao & P. Gay FCPPL 17-01-2008 @CPPMFEE for ILC Calorimeter Development

ASUDAQ for ECAL prototype schematics

interface

USBPC

slow control

ADCd

ata

da

ta

pro

be

Eventbuilder

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 17-01-2008 @CPPMFEE for ILC Calorimeter Development

ASUDAQ

PC

jaw

ASU

Adapter boardDamageless contact to ASU

Cosmic ray test benchHodoscope (trigger)…

Control and read-out ASUDAQ

PC

jaw

ASU ASU

Expansion to few ASU

Dedicated software

Next version will providean higher automation level

μ

TRIG

CLK

ASUDAQ for ECALusage

11

Y. Gao & P. Gay FCPPL 17-01-2008 @CPPMFEE for ILC Calorimeter Development

InSituDebugRAQconcept

Standard DAQ

Special link

DebugRAQDedicated

PC

On beam simplified RAQdevoted to monitor and debuga few Very Frot End chips

• accurate diagnostic of unexpected behavior• monitoring (internal probes)• maintenance

Can run alone, eventually with no beam• compatible with machine interfaceor specific trigger and timing

Dedicated Software to easedebugging

Simultaneous DAQoperations allowed

12

Y. Gao & P. Gay FCPPL 17-01-2008 @CPPMFEE 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 !