Picosecond precision time-of-flight digital converter

被引：0
|
作者：
Wieczorek, G. [1 ]
Oliwa, W. [1 ]
机构：
[1] Silesian Tech Univ, Inst Elect, Fac Automat Control Elect & Comp Sci, Gliwice, Poland
来源：
ELECTRONICS LETTERS | 2017年 / 53卷 / 05期
关键词：
field programmable gate arrays; clocks; phase locked loops; picosecond precision time-of-flight digital converter; TOF digital converter; field programmable gate array; pulse transmission; bank of counter clock signal; transmitted pulses clock signal; measurement method; phase locked loop; time; 10; 4; ps; 12; 3;
D O I：
10.1049/el.2016.4485
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：
Time-of-flight (TOF) digital converter implemented in field programmable gate array has been introduced. The operation is based on train of pulses transmission and counting received pulses in bank of counters. The bank of counters clock signal and the transmitted pulses clock signal are slightly different in frequency. This small difference is a key factor for the measurement method and is achieved by phase locked loop. TOF for the transmitted pulses is directly calculated upon counters counts. Time interval resolution for the prototype instrument is 10.4 ps and average RMS uncertainty value is 12.3 ps. There is no need for special calibration. TOF digital converter requires minimum amount of resources and is suitable for low-cost applications.
引用
收藏
页码：304 / 305
页数：2
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