L. Greiner 1IPHC-LBNL Phone Conference 05/2012

STAR

IPHC-LBNL Phone Conference

News and updated ladder testing

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STARTopics

• Two power bus cable design and status• Power regulator testing cable design and

status• Ladder testing results post IPHC visit (MS)• General project progress.• Discussion

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STARTwo power bus cable design

• Design and layout are complete.• Gerbers have been sent to Rui at CERN

PBC shop.• LBNL PO has been placed.• Waiting on delivery date.

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STARTwo power bus cable design (cont)

Outer and Inner driver board design and layout complete. Outer driver board has been sent for fabrication (10 pieces) to CERN PCB shop.

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STARPower Regulator Test Cable

• Power regulator cable test schematic is complete.

• Power regulator cable layout is underway.• We will be producing these PCBs locally,

not in the CERN PCB shop.

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STARPXL Project News

• Preparation for DOE yearly review at BNL in July• Primarily a project progress review with significant technical content.• A set of documentation for the PXL detector CD-2/3 is available at

http://rnc.lbl.gov/hft/hardware/docs/sensor_review/summary_v2.doc • Additional documentation for this review will be posted soon.

• New Virtex-6 based RDO motherboards.• Design is complete and testing has finished• 3 PCB architecture, new connectors, cables, 9U VME physical format.• Full complement of 10 assembled boards have been ordered for the

prototype run RDO. Expected delivery in 3 weeks.

• Significant Progress in mechanical structures.• See pictures next slide

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STARHardware progress

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STARDiscussion Topics

• Ladder testing results. • Implications of instability in thresholds and noise.• Any other suggested testing?• Are these effects understandable through the

analysis of the sensor design?• Ultimate 2 submission schedule.• Monthly phone conferences – propose a

schedule. (2nd Tuesday of every month?) Please check your recurring meetings)