Abstract
A high performance multi-channel time-to-digital converter (TDC) is implemented in a Xilinx Zynq-7000 field programmable gate array (FPGA). It can be flexibly configured as either 32 TDC channels with 9.9ps time-interval RMS precision, 16 TDC channels with 6.9ps RMS precision, or 8 TDC channels with 5.8ps RMS precision. All TDCs have a 380M Samples/second measurement throughput and a 2.63ns measurement dead time. The performance consistency and temperature dependence of TDC channels are also evaluated. Because Zynq-7000 FPGA family integrates a feature-rich dual-core ARM based processing system and 28nm Xilinx programmable logic in a single device, the realization of high performance TDCs on it will make the platform more widely used in time-measuring related applications.
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