1. 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
5760 Forward Drift Cathodes
? MSPS
? bit, positive signals

2. Single channel FADC prototype
Test bed for:
SPT converter chip
Xilinx chip and software
Mentor PCB & FPGA software
Intellectual Property (PCI core)
Robotic assembly

3. Xilinx schematic

4. Mixed VHDL & Graphics

5. Robotic Selective Assembly

6. Next (final?) version 6U PICMG 2.16 Xilinx V2PRO Clock/ Sync
Energy sum
Ethernet
Small
Xilinx
FADC
Xilinx
V2PRO 6U
Clock/
Sync
PICMG 2.16

7. Cockcroft-Walton PMT base