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A 3.9-ps RMS Precision Time-to-Digital Converter Using Ones-Counter Encoding Scheme in a Kintex-7 FPGA

Wang, Yonggang ; Kuang, Jie ; Liu, Chong ; Cao, Qiang

IEEE transactions on nuclear science, 2017-10, Vol.64 (10), p.2713-2718 [Periódico revisado por pares]

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Título:
A 3.9-ps RMS Precision Time-to-Digital Converter Using Ones-Counter Encoding Scheme in a Kintex-7 FPGA
Autor: Wang, Yonggang ; Kuang, Jie ; Liu, Chong ; Cao, Qiang
Assuntos: Bins ; Calibration ; Clocks ; Delays ; Error correction ; Field programmable gate array (FPGA) ; Field programmable gate arrays ; measurement throughput ; ones-counter encoder ; Radiation detectors ; Throughput ; Time measurement ; time precision ; time-to-digital converter (TDC)
É parte de: IEEE transactions on nuclear science, 2017-10, Vol.64 (10), p.2713-2718
Descrição: A 3.9-ps time-interval rms precision and 277-M events/second measurement throughput time-to-digital converter (TDC) is implemented in a Xilinx Kintex-7 field programmable gate array (FPGA). Unlike previous work, the TDC is achieved with a multichain tapped-delay line (TDL) followed by an ones-counter encoder. The four normal TDLs merged together make the TDC bins very small, so that the time precision can be significantly improved. The ones-counter encoder naturally applies global bubble error correction to the output of TDL, thus the TDC design is relatively simple even when using FPGAs made with current advanced process technology. The TDC implementation is a generally applicable method that can simultaneously achieve high time precision and high measurement throughput.
Editor: New York: IEEE
Idioma: Inglês

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