High-precision Time-to-Digital Converter in a FPGA device

被引：5
|
作者：
Aloisio, A. [1 ,2 ]
Branchini, P. [3 ,4 ]
Giordano, R. [1 ,2 ]
Izzo, V. [1 ,2 ]
Loffredo, S. [3 ,4 ]
机构：
[1] Ist Nazl Fis Nucl, Dipartimento Sci Fis, Sez Napoli, I-80126 Naples, Italy
[2] Univ Naples Federico II, I-80126 Naples, Italy
[3] Univ Rome Tre, Dipartimento Fis, I-00146 Rome, Italy
[4] INFN Sezione Roma Tre, Dipartimento Fis, I-00146 Rome, Italy
来源：
2009 16TH IEEE-NPSS REAL TIME CONFERENCE | 2009年
关键词：
FPGA; TDC;
D O I：
10.1109/RTC.2009.5322005
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The construction and design process of a high-resolution time-interval measuring system implemented in a SRAM-based FPGA device is discussed in this paper. The TDC can increase the precision oil the measurement by interpolating time within the system clock cycle. A two step phase interpolation has been performed.. one based on the phase information delivered by the VIRTEX-5 DCM and thus providing a rule time, a second level phase interpolation was based oil carry lines thus delivering an iper fine time measurement. We have designed and built a PCB hosting a Virtex-5 Xilinx FPGA. In this paper we show the main characteristics of the board and the performance achieved in terms of resolution.
引用
收藏
页码：283 / +
页数：2
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