Performance and Area Tradeoffs in Space-Qualified FPGA-Based Time-of-Flight Systems
This paper introduces four FPGA-based designs for radiation-tolerant time-of-flight (TOF) systems for sub-atomic particles: Snapshot,Vernier,Fast-Clocking and Hybrid designs. The designs measure TOFs ranging from 0 to 240 ns and are compared based on resolution,thermal performance,FPGA I/O pin usage and area,particle processing rate,and power consumption. All designs are implemented and tested on an Actel ProASIC 3E A3PE1500 FPGA using only the features available on the radiation-tolerant Actel RTAX 2000 s/SL The designs achieve resolutions of 130 ps to 25 ns and particle rates of 1.63 to 40 MHz,use from 0.02% to 7.5% of the FPGA area,and consume from 396 to 448 mW. The TOF measurements of the Fast-Clocking Design show no thermal variation across the ranges of-25℃ to 55℃. The other three designs vary linearly with temperature,but this variation can be calibrated using a temperature sensor. All four designs offer a flexible,inexpensive TOF measurement system that can be implemented across a broad range of FPGAs.
Whitney Hsiong Steve Huntzicker Kevin King Austin Lee Chen Lim Jason Wang Sarah Harris J(o)rg-Micha Jahn
Harvey Mudd College,301 Platt Blvd,Claremont,CA 91711,USA Southwest Research Institute,6220 Culebra Road,San Antonio,TX 78228,USA
国际会议
2009 9th International Conference on Electronic Measurement & Instruments(第九届电子测量与仪器国际会议 ICEMI2009)
北京
英文
1078-1083
2009-08-16（万方平台首次上网日期，不代表论文的发表时间）