基于CPLD的多功能数字光发射机设计与实现

Design and implementation of multifunctional digital optical transmitter based on CPLD

文章在研究与分析现有设计方案的基础上,采用时分复用和波分复用技术,设计了一款以CPLD为核心、基于无压缩技术的多功能数字光发射机,其可以在单根光纤上同时传输四路视频和一路反向信号。测试结果表明,文章设计的多功能数字光发射机具有工作稳定、实时性好、灵活性高及可扩展性强等优点,满足了预定的设计要求,证明了该方案的可行性与正确性。

Based on the research and analysis of the existing design scheme,a multi-functional digital optical transmitter based on non-compression technology with CPLD as the core is designed by using time division multiplexing and wavelength division multiplexing technology.It can transmit four video and one reverse signal simultaneously on a single fiber.The test results show that the multifunctional digital optical transmitter designed in this paper has the advantages of stable operation,good real-time performance,high flexibility and strong expansibility,which meets the predetermined design requirements,and proves the feasibility and correctness of the scheme.