期刊
JOURNAL OF INSTRUMENTATION
卷 7, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1748-0221/7/01/C01021
关键词
Front-end electronics for detector readout; Digital electronic circuits
资金
- Fermi Research Alliance, LLC [DE-AC02-07CH11359]
- United States Department of Energy
- Illinois Mathematics and Science Academy
A low-power time-to-digital convertor (TDC) for an application inside a vacuum has been implemented based on the Wave Union TDC scheme in a low-cost field-programmable gate array (FPGA) device. Bench top tests have shown that a time measurement resolution better than 30 ps (standard deviation of time differences between two channels) is achieved. Special firmware design practices are taken to reduce power consumption. The measurements indicate that with 32 channels fitting in the FPGA device, the power consumption on the FPGA core voltage is approximately 9.3 mW/channel and the total power consumption including both core and I/O banks is less than 27 mW/channel.
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