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3425 PMT channels Forward, Barrel Calorimeters Energy Sum for L1 trigger Tagger, Start, Veto, TOF, Cerenkov CW beam No crossing signal 500 MHz buckets 500 MSPS $80 250 MSPS, 8 bit FADC chip $20 Dynamic range adequate < 400 ps timing achievable. 3360 Central Drift Anodes

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Presentation Transcript
Gluex flash adcs

3425 PMT channels

Forward, Barrel Calorimeters

Energy Sum for L1 trigger

Tagger, Start, Veto, TOF, Cerenkov

CW beam

No crossing signal

500 MHz buckets

500 MSPS $80

250 MSPS, 8 bit FADC chip $20

Dynamic range adequate

< 400 ps timing achievable

3360 Central Drift Anodes

200 micron resolution

8 bit, 250 MSPS with log amp

10 bit dE/dx

GlueX Flash ADCs

  • 5760 Forward Drift Cathodes

    • ? MSPS

    • ? bit, positive signals


Single channel fadc prototype
Single channel FADC prototype

Test bed for:

  • SPT converter chip

  • Xilinx chip and software

  • Mentor PCB & FPGA software

  • Intellectual Property (PCI core)

  • Robotic assembly



Mixed vhdl graphics
Mixed VHDL & Graphics



Next final version
Next (final?) version

Energy sum

Ethernet

Small

Xilinx

FADC

Xilinx

V2PRO

Clock/

Sync

6U

PICMG 2.16



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