FPGA based time-to-digital converters

FPGA based time-to-digital converters
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基于 FPGA 的时间数字转换器

DOI:
10.1117/12.2555997
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发表时间:
2020
期刊:
--
影响因子:
--
通讯作者:
Nock R
Nock R
中科院分区:
--
文献类型:
--
作者:
Nock R

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时间数字转换器是许多光子学系统中的关键部件,范围从LiDAR、量子密钥分配、量子光学实验和时间相关单光子计数应用。提出了一种新型的有效的时间数字转换器非线性校正技术,并在Spartan 6 LX 150现场可编程门阵列(FPGA)上进行了验证。大多数基于FPGA的时间数字转换器要么使用后处理,要么具有校准技术,这些技术并不关注最小化资源利用率。随着单光子探测器阵列成像的发展,需要可扩展的定时仪器。该校准系统使用相同的存储器进行概率密度函数测量和累积分布函数生成,创建可用于校准时间-数字转换器的子时钟定时模块的查找表,从而最大限度地减少了块存储器的使用。该系统由16个时间数字转换器组成,平均精度为21 ps RMS(单通道14.85ps),分辨率为1.86ps。
Time-to-digital converters are a key component in many photonics systems, ranging from LiDAR, quantum key distribution, quantum optics experiments and time correlated single photon counting applications. A novel efficient timeto- digital converter non-linearity calibration technique has been developed and demonstrated on a Spartan 6 LX150 field programmable gate array (FPGA). Most FPGA based time-to-digital converters either use post processing or have calibration techniques which do not focus on minimizing resource utilization. With the move towards imaging with arrays of single photon detectors, scalable timing instrumentation is required. The calibration system demonstrated minimizes block memory utilization, using the same memory for probability density function measurement and cumulative distribution function generation, creating a look up table which can be used to calibrate the sub-clock timing module of the time-to-digital converter. The system developed contains 16 time-to-digital converters and demonstrates an average accuracy of 21ps RMS (14.85ps single channel) with a resolution of 1.86ps.
DOI: 10.1088/0957-0233/24/3/035904
发表时间: 2013-03-01
影响因子: 2.4
作者:
Szplet, R.;Jachna, Z.;Rozyc, K.
通讯作者: Rozyc, K.
FPGA 器件中的高精度时间数字转换器
DOI: --
发表时间: 2009
期刊: IEEE-NPSS Real-Time Conference
影响因子: --
作者:
A. Aloisio;P. Branchini;R. Giordano;V. Izzo;S. Loffredo
通讯作者: S. Loffredo