Data Handling Hybrid DHH Ariane Frey Universitt Gttingen

Data Handling Hybrid (DHH) Ariane Frey Universität Göttingen DEPFET DAQ Meeting MPI March 2010 1 Ariane Frey, University of Göttingen

Tasks of the DHH All communication from and to the ladders goes through the DHH ! • 1 DHH per half-ladder (total 40) • Connection between DHP and ATCA DAQ system DEPFET DAQ Meeting MPI March 2010 2 • Impedance matching • Electrical optical • Power filtering • Local power regulation (? ) • Slow control (JTAG) Ariane Frey, University of Göttingen

Data Transmission for the Ba. Bar SVT DEPFET DAQ Meeting MPI March 2010 4 Ariane Frey, University of Göttingen

Data Transmission for the Ba. Bar SVT Twisted Pair cables (24 AWG) Kapton Only passive components DEPFET DAQ Meeting MPI March 2010 5 Ariane Frey, University of Göttingen

“Patch Panel Card” Proposal: small interconnect card very close to the Ladders (~ 20 cm) • Impedance matching (& voltage sensing ? ) • Power filtering • Kapton cable • Cannot be just passive, need at least line drivers (radiation tolerance ? ) Twisted Pair Data Lines (4) 1. 25 Gb Clock, Trigger JTAG_INPUTs JTAG_out KAPTON DEPFET DAQ Meeting MPI March 2010 ? Overvoltage protection 6 Power Lines Ariane Frey, University of Göttingen

DHH o Between Patch Panel and DAQ. o In the docks ? Outside ? • Voltage regulation: where ? Outside at supplies ? • FPGA: heart of DHH • Multiplex fast data lines, generate clock • JTAG master • Optoconversion Finisar FTLF 8519 P 2 BNL DEPFET DAQ Meeting MPI March 2010 7 Ariane Frey, University of Göttingen