Signal integrity analysis of high-speed digital circuit;
高速数字电路的信号完整性分析
The theory and application of signal integrity (SI) are key techniques to be solved in the design of high-speed digital circuit.
在分析高速数字电路设计中存在的几个主要问题的基础上,探讨了高速信号完整性所涉及到的基本理论,研究了在PCB仿真设计实际应用中通常采用的两种模型方法,即IBIS模型和SPICE模型,分析了仿真模型和建模方法。
The signal integrity in the design of high-speed digital circuit is analysed and researched in detail in this paper.
对高速数字电路设计中的信号完整性作了简要的分析和研究,主要内容是:简单介绍了高速数字电路和信号完整性的基本概念,在理论上分析了产生反射的原因;总结了解决反射的方案或措施,探讨了高速数字电路设计中进行信号完整性方针分析的策略。
The design of high speed digital circuit is affected by the dispersive characteristic of PCB substrate.
高速数字电路的设计受到PCB基材色散特性的影响,本文在介绍微带传输线的相关理论的基础上研究根据两同质微带长度差和测量得到的相位差来测定基材有效介电常数的方法,设计了以典型材料FR4为基材的50Ω传输线,并利用网络分析仪测量其传输系数的衰减、相位曲线,通过数据拟合得到了衰减系数频域计算式,同时利用测试数据计算得到了有效介电常数,最后对PCB板的色散特性进行了分析,得到了一些有益的结论。
In the high speed digital circuit, signal integrity plays a key role.
在高速数字电路中,信号完整性问题至关重要。
With the rapid development of the electronic technology, high speed digital circuit design is larger and larger in proportion in whole electronic designing field.
随着电子技术的飞速发展，高速数字电路设计在整个电子设计领域所占的比例越来越大，如何处理高速信号问题已经成为一个设计能否成功的关键。
The paper discusses principle of super-high-speed digital circuits and some examples of combinational and sequential circuits using linear AND-OR gate are given.
利用线性“与或”门与高速ＥＣＬ开关电路设计了一种ＪＫ触发器电路，并讨论了应用线性“与或”门设计超高速数字电路的准则以及有关的组合和时序电路设计实例。
The operation stability of motor vehicle and the expressway driving security;
汽车操纵稳定性与高速公路安全行车
Study on The Highway Alignment Audit Based on Operating Speed
基于运行速度的高速公路安全性评价探讨
Study on Safety Facilities in the Long Slope Alignment of Freeway
高速公路长大下坡路段安全设施研究
Influence of Freeway Pavement on Driving Safety
高速公路路面质量对行车安全的影响
Traffic Safety Analysis and Safety Strategy Study on Freeway
高速公路交通安全分析及安全对策研究
Study on Superhighway Emergency and Security System
高速公路紧急事件与安全系统研究
Info-security of Expressway Network Collect Fees System
高速公路联网收费系统的信息安全
Network safety Design of Toll Collection System of Expressway Network
高速公路联网收费系统网络安全设计
Talk about the Antiseptic Technology of Communication Safety Devices for Expressway
谈谈高速公路交通安全设施防腐技术
A Study on the Simulation of Expressway Transportation Safety Based on AutoCAD;
基于AutoCAD的高速公路交通安全仿真研究
Research on Safeguards Technology of Expressway in Fog;
高速公路雾区交通安全保障技术研究
The Research of Highway Traffic Safety Management System in Our Country;
我国高速公路交通安全管理体制研究
Security Management of Chongqing Expressway Operation Network;
论重庆高速公路营运网络的安全管理
Research of Operation Safety Comprehensive Evaluation on the Tunnel of Freeway
高速公路隧道运营安全综合评价研究
A Study of Traffic Safety Ensure System Ensure System for Expressways in Fog Area
高速公路雾区行车安全保障系统探究
Probe into Traffic Safety Problems in Tunnels of Expressways in Mountainous Area
山区高速公路隧道交通安全问题探讨
Safety lane change model of vehicle assistant driving on highway
高速公路汽车辅助驾驶安全换道模型
INFLUENCE TO TRAFFIC SAFETY ON ALIGNMENT DESIGN OF FREEWAY
高速公路线形设计对交通安全的影响