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基于JESD204B协议的数据接收系统
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摘要
未来通信系统中,模拟信号的数据采集速率以及精度要求不断提高,相应的数据传输速率也随之提高。JESD204B是一种用于高速数据采集的串行传输协议。本文基于JESD204B协议,利用Xilinx Kintex-7 FPGA的GTX接口,并借助于TI LMK04828中的双锁相环对整个系统进行时钟控制,最终实现了由高速模数转换器到FPGA逻辑器件的数据传输。
In future communication systems, the data transmission rate will be increased because of the increasing sampling rate and accuracy of analog signals. JESD204 B is a kind of serial transmission protocol, which can be used for data acquisition with high sampling rate. In this paper, based on the JESD204 B protocol and the GTX interface of Xilinx Kintex-7 FPGA, a data transmission system between a high-speed ADC and a FPGA logic device is realized, and the system clocks are controlled by LMK04828 with dual PLL structures.
引文
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