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单片机编程 PCB可测性设计布线规则之建议―从源头改善可测率
P C B 可测性设计布线规则之建议― ― 从源头改善可测率PCB 设计除需考虑功能性与安全性等要求外，亦需考虑可生产与可测试。这里提供可测性设计建议供设计布线工程师参考。1. 每一个铜箔电路支点，至少需要一个可测试点。如无对应的测试点，将可导致与之相关的开短路不可检出，并且与之相连的零件会因无测试点而不可测。2. ...
可编程逻辑 电路板维修相关技术资料
電路板故障分析
維修方式介紹
ASA維修技術
ICT維修技術
沒有線路圖,無從修起
電路板太複雜,維修困難
維修經驗及技術不足
無法維修的死板,廢棄可惜
送電中作動態維修,危險性極高
備份板太多,積壓資金
送國外維修費用高,維修時間長
對老化零件無從查起無法預先更換
維修速度及效率無法提升,造成公司負擔,客戶埋 ...
可编程逻辑 pcb layout design(台湾硬件工程师15年经验
PCB LAYOUT 術語解釋(TERMS)1. COMPONENT SIDE(零件面、正面)︰大多數零件放置之面。2. SOLDER SIDE(焊錫面、反面)。3. SOLDER MASK(止焊膜面)︰通常指Solder Mask Open 之意。4. TOP PAD︰在零件面上所設計之零件腳PAD，不管是否鑽孔、電鍍。5. BOTTOM PAD：在銲錫面上所設計之零件腳PAD，不管是否鑽孔、電鍍。6. POSITIV ...
可编程逻辑 pcb layout规则
LAYOUT REPORT .............. 1
 
目錄.................. 1
 
 
1. PCB LAYOUT 術語解釋(TERMS)......... 2
 
 
2. Test Point : ATE 測試點供工廠ICT 測試治具使用............ 2
 
 
3. 基準點 (光學點) -for SMD:........... 4
 
 
4. ...
书籍 Enablers for Smart Cities
The concept of smart cities emerged few years ago as a new vision for urban
development that aims to integrate multiple information and communication
technology (ICT) solutions in a secure fashion to manage a city’s assets. Modern ICT
infrastructure and e-services should fuel sustainable growth and ...
书籍 Green Radio Communication Networks
Currently, the information and communications technology (ICT) industry sector
accounts for about 2–6% of the energy consumption worldwide, and a significant por-
tion of this is contributed by the wireless and mobile communications industry. With
the proliferation of wireless data applications, wi ...
书籍 Introduction to Communications Technologies
Our original effort in writing this book was to create a starting point for those in
the business community who did not have a high level of technical expertise but
needed to have some understanding of the technical functions of their information
and communication technologies (ICT) in a corporate e ...
书籍 Telecommunications+Networks
Rapid progress in information and communications technology (ICT) induces
improved and new telecommunications services and contributes greatly to society
in general and to vendors and network and service providers. In addition to existing
services such as telephony or leased line services, spread of ...
书籍 The 3G IP Multimedia Subsystem (IMS)
When 3GPP started standardizing the IMS a few years ago, most analysts expected the
number of IMS deploymentsto grow dramatically as soon the initial IMS specifications were
ready (3GPP Release 5 was functionallyfrozenin the first half of 2002and completedshortly
after that). While those predictions ...
书籍 Understanding+Telecommunications+Business
The dictionary definition of telecommunications is ‘communication over long
distance by cable, telegraph, telephone or broadcasting’, but since its initiation over
100yearsagothingshavemovedrapidly.Telecommunicationsisnowaverycomplex
industrywithmanydifferentpressures,operatinginahighlydynamic env ...