EMC frontend Electronics Valerio Bocci INFN sezione di

EMC front-end Electronics Valerio Bocci INFN sezione di Roma Isola d’Elba General Meeting 30 May- 5 June , 2010 A. Papi, C. Cecchi, P. Lubrano (INFN Perugia) V. Bocci, G. Chiodi, R. Faccini, R. Lunadei, L. Recchia, D. Ruggieri, (INFN Roma) Elba Super. B General Meeting 30 May- 5 Jume Valerio Bocci

Super. B EMC structure Super. B EMC Barrel = Ba. Bar EMC Barrel Ba. Bar Crystals are radiation damaged. Need replacement Super. B EMC Forward = 4400 Lyso Crystals 5760 Cs. I(Tl) Crystals Elba Super. B General Meeting 30 May- 5 Jume Valerio Bocci

Front End main design choise • Barrel read-out: Pin diode (Babar structure constraint) • Forward readout: Pin Diode or APD under test • Charge preamplifier + 2 range gain • 12 bits digitalizazion + 1 bit range • Special range for calibration purpose Elba Super. B General Meeting 30 May- 5 Jume Valerio Bocci

EMC 5 Channel readout protoype Crystals Mechanics Ranges Lvds 5 VFE Board 5 Shaper Range Board PIN Or APD 5 ranges analog Coded Differential ADC Board ADC CLK I 2 c VME Elba Super. B General Meeting 30 May- 5 Jume Valerio Bocci

EMC 5 Channel readout protoype (single ended ADC) Crystals Mechanics Ranges Lvds 5 VFE Board 5 Shaper Range Board PIN Or APD 5 ranges analog Coded Diff 2 Single 5 Single Ended ADC Board ADC CLK I 2 c VME Elba Super. B General Meeting 30 May- 5 Jume Valerio Bocci

VME ranges shaper board HV • EMC VFE Board • 5 CSP Channels • Enable to mount: Cremat, Hamamatsu, Home Made CSP • HV distribution CSP Buffer Diff or SE DRV CSP Buffer Diff or SE DRV Annecy Super. B XII General Meeting March 15 -19, 2010 Valerio Bocci

Three Type of CSP under evaluation Cremat 1. 4 V/p. C Hamamatsu 1 V/p. C Homemade 1 V/p. C Elba Super. B General Meeting 30 May- 5 Jume Valerio Bocci

LABE Made Charge preamplifier charge sensitive preamplifier in radeka configuration and push pull output Luigi Recchia & Antonio Papi simulation and optimization. Home made in LABE (Electronic LAboratory) in Rome. Elba Super. B General Meeting 30 May- 5 Jume Valerio Bocci

Very Front End Board • EMC VFE Board • 4 Layers • 5 CSP Channels • Enable to mount: Cremat, Hamamatsu, Home Made CSP • HV distribution • Mounted on crystals • Interface with EMC range Board 24 May 2010 in production Estimated delivery time for test 7 June week Elba Super. B General Meeting 30 May- 5 Jume Valerio Bocci

VME ranges shaper board X 5 Channels Analog Rcv from FE x. 5 CR 200 Signal out x 32 ADC CLK 1 bit range LVDS CR 200 Switch Logic Switch_Ctrl Cmp_stretch Thr Setting Fast Comparator I 2 c Analog Diff Output Pro. Asic 3 FPGA DAC Range info Analog Coded Elba Super. B General Meeting 30 May- 5 Jume Valerio Bocci

EMC Range Board • 8 Layers VME size • 5 Channels Analog Differential input • 5 Channles Analog Differtial output • 1 Main clock input • Long line I 2 c control input • Range info analog coded • Lvds output for Range bit 24 May 2010 in production Estimated delivery time for test 14 June week. Elba Super. B General Meeting 30 May- 5 Jume Valerio Bocci

Differential 2 Singleended Board Utility board to convert differential signals to Single Ended signals. Four layer PCB 5 channel Diff to SE DRV Diff to SE DRV 24 May 2010 in production Estimated delivery time for test 7 June week Elba Super. B General Meeting 30 May- 5 Jume Valerio Bocci

Conclusion • There are three boards in production • VFE boards comes the 7 June must be tested and integrated with mechanics • The support Se 2 diff board come in the same week permit to use single ended ADC • Range Shaping Board is coming 14 -18 june need to be programmed and tested Annecy Super. B XII General Meeting March 15 -19, 2010 Valerio Bocci