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本文对现有用户环路上实现192kb/s数据传输的全双工中继技术进行了分析和研究,采用了专用的集成中继芯片CD22301和存贮结构回波抵消技术,研制出了实用的基带数据传输全双工中继器.
This paper analyzes and researches on the full-duplex relay technology to realize 192kb / s data transmission in the existing user loop, and uses a dedicated integrated repeater chip CD22301 and storage structure echo cancellation technology to develop a practical baseband Data transmission full-duplex repeater.