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软件发布:'High Speed Board Design'
softhow
2000-08-08 02:11:00
软件下载,详细资料请访问:http://www.csdn.net/softs/softview.asp?ID=1053
软件简介:'常用的HIGH SPEED BOARD设计工具
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软件发布:'High Speed Board Design'
软件下载,详细资料请访问:http://www.csdn.net/softs/softview.asp?ID=1053 软件简介:'常用的HIGH SPEED BOARD设计工具 '
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High
-
Speed
Board
Design
Techniques
INTRODUCTION The most important factor in the
design
of many systems today is
speed
. 66-MHz thru 200-MHz processors are common; 233 and 266-MHz processors are becoming readily available. The demand for
high
speed
results from: a) the requirement that systems perform complex tasks in a time frame considered comfortable by humans; and b) the ability of component manufacturers to produce
high
-
speed
devices. An example of a) is the large amount of information that must be processed to perform even the most rudimentary computer animation. Currently, Programmable Array Logic (PAL®) devices are available with propagation delays of 4.5 ns, and complex PLDs such as MACH® have propagation delays of 5 ns. While this might seem fast, it is not the propagation delay that creates the potential for problems, but rather the fast edge rates needed to obtain the fast propagation delays. In the future, much faster devices will become available, with correspondingly faster edge rates.
Design
ing
high
-
speed
systems requires not only fast components, but also intelligent and careful
design
. The analog aspect of the devices is as important as the digital. In
high
-
speed
systems, noise generation is a prime concern. The
high
frequencies can radiate and cause interference. The corresponding fast edge rates can result in ringing, reflections, and crosstalk. If unchecked, this noise can seriously degrade system performance. This application note presents an overview of the
design
of
high
-
speed
systems using a PC-
board
layout. It covers: u the power distribution system and its effect on
board
inghouse generation, u transmission lines and their associated
design
rules, u crosstalk and its elimination, and u electromagnetic interference.
High
-
speed
Board
Design
Techniques
AMD公司高速板设计指南,PCBlayout必读教程。 INTRODUCTION The most important factor in the
design
of many systems today is
speed
. 66-MHz thru 200-MHz processors are common; 233 and 266MHz processors are becoming readily available. The demand for
high
speed
results from: a) the requirement that systems perform complex tasks in a time frame considered comfortable by humans; and b) the ability of component manufacturers to produce
high
-
speed
devices. An example of a) is the large amount of information that must be processed to perform even the most rudimentary computer animation. Currently, Programmable Array Logic(PAL®) devices are available with propagation delays of 4.5 ns, and complex PLDs such as MACH® have propagation delays of 5 ns. While this might seem fast, it is not the propagation delay that creates the potential for problems, but rather the fast edge rates needed to obtain the fast propagation delays. In the future, much faster devices will become available, with correspondingly faster edge rates.
Measuring
Board
Parasitics in
High
-
Speed
Analog
Design
Measuring
Board
Parasitics in
High
-
Speed
Analog
Design
高速电路设计__
High
-
Speed
_
Board
_
Design
高速电路设计__
High
-
Speed
_
Board
_
Design
Engineering Guidelines for
High
-
Speed
Load
board
Design
提供ATE设备上高速信号测试板的设计指南
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