1. L. Greiner 1PXL BNL Safety Review– September 26, 2011 STAR HFT LBNL Leo Greiner, Eric Anderssen, Thorsten Stezelberger, Joe Silber, Xiangming Sun, Michal Szelezniak, Chinh Vu, Howard Wieman UTA Jerry Hoffman, Jo Schambach IPHC Strasburg Marc Winter CMOS group The STAR-PXL electronics system

2. 2PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT Talk Outline Hardware architecture of RDO system Electronic structure of PXL system Sensors and ladder cable Mass termination board (MTB) RDO board Grounding, power and signal paths Cooling System

3. 3PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT PXL Detector Mechanical Design Mechanical support with kinematic mounts (insertion side) Insertion from one side 2 layers 5 sectors / half (10 sectors total) 4 ladders/sector Aluminum conductor Ladder Flex Cable Ladder with 10 MAPS sensors (~ 2×2 cm each) carbon fiber sector tubes (~ 200µm thick) 20 cm

4. 4PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT 2 m (42 AWG TP) 6 m (24 AWG TP) 100 m (fiber optic) Highly parallel system 4 ladders per sector 1 Mass Termination Board (MTB) per sector 1 sector per RDO board 10 RDO boards in the PXL system RDO motherboard w/ Xilinx FPGA RDO PC with DDL link to RDO board Mass Termination Board + latch-up protected power daughter-card PXL Detector Basic Unit (RDO) Clk, config, data, power Clk, config, data PXL built events

5. 5PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT PXL RDO Architecture (1 sector) Ladder x 4 FPGA LU prot. power MTB x 1 Power Supplies Control PCs Trigger DAQ RDO PCs SIUADCUSBi/o RDO board x 1 Sensor testing Probe testing SRAM Black – cfg, ctl, clk. path Blue – data path Red – power / gnd path Green – testing path fiber Unified Development Platform

6. 6PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT Sensors and Ladder Cable Aluminum conductor Ladder Flex Cable Sensor dissipation is ~540mW/sensor Power = 3.0V @ 180mA / sensor MAPS Sensor Ladder power is latch-up (over current) protected by a regulator circuit on the MTB. This circuit has been extensively tested in our LU testing program. http://rnc.lbl.gov/hft/hardware/docs/latchup/LU_POWER_PCB.pdf

7. 7PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT Mass Termination Board Buffers signals and control Generates LU protected power for ladders Polyfuses on input side of power Board power is LU protected Prototype board

8. 8PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT Production Prototype RDO board SIU Daughter Card USB JTAG VME P1 Ladder Data Connectors Xilinx Virtex-6 FPGA~4A / RDO board

9. 9PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT Production System Design SIU JTAG USB Daughter Card SIU JTAG USB Daughter Card SIU JTAG USB Daughter Card SIU JTAG USB Daughter Card SIU JTAG USB Daughter Card SIU JTAG USB Daughter Card SIU JTAG USB Daughter Card SIU JTAG USB Daughter Card SIU JTAG USB Daughter Card SIU JTAG USB Daughter Card STAR TCD We will use the 9U VME physical standard for RDO motherboards. (Not the electrical standard) 1 standard VME crate with P1 backplane for STAR TCD distribution. Data from sectors arrives via cables plugging into the back of the RDO boards in the P2/P3 locations. System consists of: 10 double wide 9U VME RDO boards 1 single wide 6U VME TCD board 356 M pixel readout in a single 9U VME crate Standard 21 slot 9U VME crate

10. 10PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT Cabling Signal & control Ladders to MTB AWG 42 (WireTronic part # 2-42QPN-05) MTB to PP to RDO Board Scsi Cable - VHDCI-68 male to HD68 male - U320 LVD/SE/HVD commercial cable UL type CMG Power PS to PP 10/4 HTC Cu Power cable PP to MTB 12 AWG hookup wire MTB to ladders 40 AWG transformer wire – multiple strands

11. 11PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT PXL Grounding Plan

12. 12PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT Cooling system for PXL We have not completed a detailed design for this system. The parts are based on a successful cooling test done at LBNL. Dust Collector Dust Collector Conditioner PXL The airflow monitors will be interlocked with the sensor power.

13. 13PXL BNL Safety Review– September 26, 2011 L. Greiner STAR HFT PXL RDO Summary MTB and RDO boards are protected with polyfuses. Ladders are over-current protected with LU power modules. Power supplies are soft grounded are the STAR racks. Carbon fiber support structures are conductive and grounded. RDO boards are powered by a STAR standard VME crate.