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allegro 需要导出哪些文件嘉立创才能自动识别

allegro 需要导出哪些文件嘉立创才能自动识别
2020-10-12 16:13:29 下载 6 查看 147
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高速PCB设计中的阻抗匹配 你都知道哪些

阻抗匹配是指在能量传输时,要求负载阻抗要和传输线的特征阻抗相等,此时的传输不会产生反射,这表明所有能量都被负载吸收了。反之则在传输中有能量损失。在高速线路板打样设计中,阻抗的匹配与否关系到信号的质量优劣。

1、PCB走线什么时候需要做阻抗匹配?

不主要看频率,而关键是看信号的边沿陡峭程度,即信号的上升/下降时间,一般认为如果信号的上升/下降时间(按10%~90%计)小

2022-09-09 08:00:02 下载 2 查看 5,228
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ucoslwiptcpip应用心得希望帮助

ucoslwiptcpip应用心得希望帮助
2016-07-19 20:41:02 下载 178 查看 1,024
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adc0808的应用

adc0808的应用,c语言源代码控制产生信号源
2016-12-24 10:01:03 下载 65 查看 1,025
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各种matlab算例应用

各种matlab算例应用,对matlab的初学者很大的帮助。
2014-11-24 00:02:02 下载 120 查看 1,041
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AVR MCU Library Classes notes ,use for AVR developpment works.

AVR MCU Library Classes notes ,use for AVR developpment works.
2016-04-03 20:09:02 下载 29 查看 1,081
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Tsinghua C++ notes, 清华大学C++讲义

Tsinghua C++ notes, 清华大学C++讲义
2014-01-12 04:38:01 下载 47 查看 1,097
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this is a lecture notes prepared to introduce the speech audio fundamental concepts and programm dev

this is a lecture notes prepared to introduce the speech audio fundamental concepts and programm development
2017-04-16 10:52:02 下载 99 查看 1,078
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these are some notes about adaptive filter class from 1 to 6 chapter

these are some notes about adaptive filter class from 1 to 6 chapter
2017-04-19 10:12:02 下载 138 查看 1,057
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Digital.Design.VHDL.Laboratory.Notes_(1996)

Digital.Design.VHDL.Laboratory.Notes_(1996)
2014-06-06 20:59:19 下载 80 查看 1,042
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Domino系统Notes数据库模板替换命令详解

文档为Domino系统Notes数据库模板替换命令详解总结文档,是一份不错的参考资料,感兴趣的可以下载看看,,,,,,,,,,,,,

2023-09-01 17:00:01 下载 5 查看 6,094
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设计和选用电源模块应考虑哪些性能参数

同样的输入输出电压、同样的功率、同样的封装,不同厂家的电源模块,哪个性能更好?对于一个性能优良的电源模块来说,需要测试的项目很多,而且这些性能之间是紧密联系的,本文挑选其中几个方面的性能进行对比阐述。
2022-12-23 20:20:02 下载 1 查看 6,228
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High Definition Audio Bus Specification Rev 1.0, design change notes, 2007.7

High Definition Audio Bus Specification Rev 1.0, design change notes, 2007.7
2016-01-31 20:14:01 下载 190 查看 1,076
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Release Notes - Version 4.0 TimeSys Linux SDK for Pentium and Compatible Development Boards

Release Notes - Version 4.0 TimeSys Linux SDK for Pentium and Compatible Development Boards
2013-12-26 23:01:01 下载 140 查看 1,116
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Intel PXA27x Proc DEV Kit Released Notes.

Intel PXA27x Proc DEV Kit Released Notes.
2017-05-15 10:17:02 下载 121 查看 1,041
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Application Notes for Envox CT Connect with Avaya Communication Manager and Avaya Application Enable

Application Notes for Envox CT Connect with Avaya Communication Manager and Avaya Application Enablement
2014-01-19 16:39:14 下载 116 查看 1,045
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628512在实际电路中的应用图纸,实际应用的意义.

628512在实际电路中的应用图纸,实际应用的意义.
2013-12-28 00:22:08 下载 125 查看 1,071
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High Definition Audio Bus Specification Rev 1.0, design change notes 2006.

High Definition Audio Bus Specification Rev 1.0, design change notes 2006.
2016-01-31 20:12:01 下载 86 查看 1,092
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Data_Structures_and_Algorithms - These notes accompany Data Structures and Algorithms II. The course

Data_Structures_and_Algorithms - These notes accompany Data Structures and Algorithms II.
2016-05-08 20:26:02 下载 27 查看 1,062
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This manual documents the interfaces of the libxml library and has some short notes to help get you

This manual documents the interfaces of the libxml library and has some short notes to help get you up
2016-11-08 00:55:01 下载 183 查看 1,085
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