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电源技术 使用新电源模块改进表面贴装可制造性
The latest generation of Texas Instruments (TI) boardmountedpower modules utilizes a pin interconnect technologythat improves surface-mount manufacturability.These modules are produced as a double-sided surfacemount(DSSMT) subassembly, yielding a case-less constructionwith subcomponents located on b ...
可编程逻辑 Nios II软件构建工具入门
Nios II软件构建工具入门
The Nios® II Software Build Tools (SBT) allows you to construct a wide variety of
complex embedded software systems using a command-line interface. From this
interface, you can execute Software Built Tools command utilities, and use scripts
other tools) to combine the com ...
可编程逻辑 PowerPCB培训教程
欢迎使用 PowerPCB 教程。本教程描述了 PADS-PowerPCB  的绝大部分功能和特点，以及使用的各个过程，这些功能包括： · 基本操作 · 建立元件(Component) · 建立板子边框线(Board outline) · 输入网表(Netlist) · 设置设计规则(Design Rule) · 元件(Part)的布局(Placement) · 手工和交互的布线 · SPECCTRA全自动 ...
可编程逻辑 PCB设计问题集锦
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，有几百个，将其他更重要的错误淹没了，如何使Verify Design会略掉这种错误，或者在众多的错误中快速找到重要的错误。 答 ...
可编程逻辑 IC封裝製程簡介(IC封装制程简介)
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 Dual Inline Package
SOP：Small Outline Package
SOJ：Small Outline J-Lead Package
PLCC：Plastic Leaded Chip Carrier
QFP：Quad Fla ...
系统设计方案 This was the public transportation inquiry system software engineering design documents, including t
This was the public transportation inquiry system software engineering design documents, including the demand analysis, the outline design, the contact surface design and so on a series of designs documents, made the comprehensive analysis to the public transportation systems engineering to design , ...
系统设计方案 This was the public transportation inquiry system software engineering design documents, including t
This was the public transportation inquiry system software engineering design documents, including the demand analysis, the outline design, the contact surface design and so on a series of designs documents, made the comprehensive analysis to the public transportation systems engineering to design , ...
系统设计方案 This was the public transportation inquiry system software engineering design documents, including t
This was the public transportation inquiry system software engineering design documents, including the demand analysis, the outline design, the contact surface design and so on a series of designs documents, made the comprehensive analysis to the public transportation systems engineering to design , ...
系统设计方案 This was the public transportation inquiry system software engineering design documents, including t
This was the public transportation inquiry system software engineering design documents, including the demand analysis, the outline design, the contact surface design and so on a series of designs documents, made the comprehensive analysis to the public transportation systems engineering to
系统设计方案 This was the public transportation inquiry system software engineering design documents, including t
This was the public transportation inquiry system software engineering design documents, including the demand analysis, the outline design, the contact surface design and so on a series of designs documents, made the comprehensive analysis