摘要
LVDS是一种低摆幅差分信号标准,可实现快速的数据传输,功耗较低,并具有出色的抗噪声性能,因此非常适用于在高速数字采集系统进行数据传输。本文对LVDS原理及其在高速数据传输中的优势进行了详细的分析,提供了两种LVDS技术在高速数据采集系统中的应用方案,设计了系统电路,提出了LVDS信号在PCB走线设计中的一些注意事项,该系统电路已经通过实践验证。通过对LVDS应用到高速数据采集系统的研究,为信号采集领域提供了较高的参考价值。
LVDS is a kind of low voltage differential signaling standard, and it can realize the high-speed data transmission with low power and has the excellent performance of low noise, so it＇s very suitable for use in the high-speed data acquisition system. This paper analyzes the principle and the advantage of LVDS in the high-speed data transmission system particularly, provides two applications of LVDS technology in the high-speed data transmission system, and designs the system circuit and brings up some attentions in the PCB layout design of LVDS signal. The system circuit has been tested by practice. Through researching the LVDS application to high-speed data transmission system, the good related reference for signal acquisition area is provided.
出处
《国外电子测量技术》
2009年第2期59-61,共3页
Foreign Electronic Measurement Technology
