Abstract
A FPGA-based digital signal transmission performance analysis system has been designed to analyze digital signal transmission performance. It uses FPGA for digital signal control chip module and analysis module. Control signal is sent to the FPGA by keys, FPGA generates the m-sequence whose frequency can be adjusted step by step and Manchester encoding. Through the analog transmission channel, a fast synchronization detection arithmetic is used to extract synchronization signal by analysis module FPGA, the oscilloscope measures eye margin and other information, to achieve digital signal transmission performance testing capabilities. The system whose encapsulation is compact has friendly interface and it is very easy to operate and demonstrate.
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