Waveform-Sampling Electronics for a Whole-Body Time-of-Flight PET Scanner

被引：16
作者：
Ashmanskas, W. J. [1 ]
LeGeyt, B. C. [1 ]
Newcomer, F. M. [2 ]
Panetta, J. V. [1 ]
Ryan, W. A. [1 ]
Van Berg, R. [2 ]
Wiener, R. I. [2 ]
Karp, J. S. [1 ,2 ]
机构：
[1] Univ Penn, Dept Radiol, Phys & Instrumentat Grp, Philadelphia, PA 19104 USA
[2] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA
来源：
IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2014年 / 61卷 / 03期
关键词：
Fast timing; front-end electronics; field-programmable gate array (FPGA); PET instrumentation; time-of-flight PET; trigger systems; waveform sampling; PERFORMANCE; DETECTOR; SYSTEM; PILEUP;
D O I：
10.1109/TNS.2014.2303119
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Waveform sampling is an appealing technique for instruments requiring precision time and pulse-height measurements. Sampling each photomultiplier tube (PMT) waveform at oscilloscope-like rates of several gigasamples per second enables one to process PMT signals digitally, which in turn makes it straightforward to optimize timing resolution and amplitude (energy and position) resolution in response to calibration effects, pile-up effects, and other systematic sources of waveform variation. We describe a system design and preliminary implementation that neatly maps waveform-sampling technology onto the LaPET prototype whole-body time-of-flight PET scanner that serves as the platform for testing this new technology.
引用
收藏
页码：1174 / 1181
页数：8
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