什么是LVDS

C. Ferland
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引用次数: 3

摘要

随着数据速率进入每秒千兆比特的领域,并行信号正在失去动力。差分信号提供了一种前进的方式,LVDS将是最常用的形式之一。差分信号在电子系统中的应用越来越普遍,因为它比单端技术传输数据更快、更可靠,因为它具有抗噪声能力和抗长时间传输和负载的破坏性影响的弹性。有多种差分信号系统,包括低压差分信号(LVDS)和电流模式逻辑(CML)。所有这些都实现了这些好处,同时使用不同的电压水平和驱动强度,为不同的应用。LVDS非常适合250 Mbit/s到1 Gbit/s的数据速率。除了提高数据速率外,LVDS还会发出低水平的EMI——由于当今电子设备的高频内容,这一特性非常重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Just what is LVDS
Parallel signalling is running out of steam as data rates head into the gigabit per second realm. Differential signalling offers a way forward, and LVDS will be one of the most common forms used. Differential signaling is becoming more commonly used in electronics systems because it is able to transfer data much faster and more reliably than single ended technologies due to its noise immunity and resilience to the destructive effects of long transmissions and loading. There is a variety of differential signalling systems, including low-voltage differential signalling (LVDS) and current-mode logic (CML). All realise these benefits while using various voltage levels and driving strengths for differing applications. LVDS is ideally suited for data rates from 250 Mbit/s to 1 Gbit/s. In addition to data rate improvements, LVDS emits low levels of EMI - a feature of great importance due to the high-frequency content of today's electronic devices.
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