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...
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...
PCB设计问题集锦 问:PCB图中各种字符往往容易叠加在一起,或者相距很近,当板子布得很密时,情况更加严重。当我用Verify Design进行检查时,会产生错误,但这种错误可以忽略。往往这种错误很多...
半導體的產品很多,應用的場合非常廣泛,圖一是常見的幾種半導體元件外型。半導體元件一般是以接腳形式或外型來劃分類別,圖一中不同類別的英文縮寫名稱原文為 PDID:Plastic Dua...
PCB LAYOUT技术大全---初学者必看! PROTEL相关疑问 1.原理图常见错误: (1)ERC报告管脚没有接入信号: a. 创建封装时给管脚定义了I/O属性;...
很好一套库存管理,可惜是英文版但绝对是好东西,认真学习,你会学到很多ADO,grid的东西,报表水晶报表8.0以上...
This a full 3-tier dababase application which includes a activex dll project(business objects) and a...
This a very simple Yee algorithm 3D FDTD code in C implementing the free space form of Maxwell s equ...
The C# program will display a mine field, plant mines, and provide hints on the number of mines arou...
LINEINTRGAL Line Integral in a 2D Vector Field. LINEINTRGAL(X,Y,U,V,C) computes the line integral a...
an external program called from Adam s FitnessFunction class in order to evaluate the fitness of a...