當前位置:文檔之家 > 【全國一等獎】2011全國大學生電子設計競賽E題——簡易數字信號傳輸性能分析儀 李博

【全國一等獎】2011全國大學生電子設計競賽E題——簡易數字信號傳輸性能分析儀 李博

簡易數字信號傳輸性能分析儀(E題)

國防科技大學

作者:李博,李安冬,趙本東

賽前輔導教師:×××文稿整理輔導教師:×××

摘要:本系統提出基于雙FPGA的簡易數字信號傳輸性能分析儀。利用前級FPGA產生程控數字信號和高頻偽隨機噪聲,經過繼電器切換帶寬及增益可變的濾波器模擬的傳輸信道,和由π型衰減網絡、AD603程控放大實現的AGC網絡,最終送入后級FPGA提取同步時鐘信號,并在TFT液晶屏上顯示眼圖。整個系統經過嚴格測試,各項指標合格。

關鍵字:數字信號分析儀濾波器 FPGA TFT液晶屏眼圖

Abstract: The system put forward a kind of simple digital signal transmission performance analyzer based on two-FPGA combination. The pre-programmed digital signal and high-frequency noise are generated by the first FPGA. Going through the analog transmission channel simulated by the filter of Variable-gain bandwidth, and the AGC network with π-type network and AD603 programmable Amplifier, the signal is send to another FPGA for synchronous clock extraction. Signal eye diagram are displayed on the TFT-LCD screen. The entire system had been through rigorous testing, and all the indicators are qualified.

Keys: digital signal analyzer, filter, FPGA, TFT-LCD, Eye diagram.

今日头条体育新闻