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教程资料 《器件封装用户向导》赛灵思产品封装资料
Introduction to Xilinx Packaging Electronic packages are interconnectable housings for semiconductor devices. The major functions of the electronic packages are to provide electrical interconnections between the IC and the board and to efficiently remove heat generated by the device. Feature sizes a ...
教程资料 基于CPLD的QDPSK调制解调电路设计
为了在CDMA系统中更好地应用QDPSK数字调制方式，在分析四相相对移相（QDPSK)信号调制解调原理的基础上，设计了一种QDPSK调制解调电路，它包括串并转换、差分编码、四相载波产生和选相、相干解调、差分译码和并串转换电路。在MAX+PLUSⅡ软件平台上，进行了编译和波形仿真。综合后下载到复杂可编程逻辑器件EPM7128SLC84-15中 ...
传感与控制 MEMS惯性传感器的焊接指南
Abstract: Standard PCB design and mounting processes can adversely influence MEMS inertial sensors.This application note contains guidelines for the layout, soldering, and mounting of MEMS inertialsensors in LGA packages in order to reduce stresses and improve functionality.
嵌入式综合 WP276 -可编程的开发和测试
We all know the benefits of using FieldProgrammable Gate Arrays (FPGAs): no NRE, nominimum order quantities, and faster time-tomarket.In an ideal world, designs would never needto be changed because of design errors, but we allknow that sometimes this is necessary.
嵌入式综合 6小时学会labview
6小时学会labview,
labview Six Hour Course – Instructor Notes
 
This zip file contains material designed to give students a working knowledge of labview in a 6 hour timeframe. The contents are:
Instructor Notes.doc – this document.
labviewIntroduction-SixHour.ppt – a PowerPoint presentati ...
无线通信 基于ZigBee技术的无线智能家用燃气报警系统
在研究传统家用燃气报警器的基础上，以ZigBee协议为平台，构建mesh网状网络实现网络化的智能语音报警系统。由于传感器本身的温度和实际环境温度的影响，传感器标定后采用软件补偿方法。为了减少系统费用，前端节点采用半功能节点设备，路由器和协调器采用全功能节点设备，构建mesh网络所形成的家庭内部报警系统，通过通用的 ...
无线通信 智能天线技术在基站中的应用
为了能够满足基站易于选址、优质快速的建站要求和易维护、低成本、高可靠的运行要求，本文对以方舱来实现一体化结构基站做出一番探讨。从系统设计的观点阐述了移动通信高性能基站天线设计的几个关键问题，介绍了智能天线技术在基站中的应用，并且用HFSS软件仿真了一种新型的对称阵子天线，该天线驻波比小于2的带宽可以达到6 ...
可编程逻辑 《器件封装用户向导》赛灵思产品封装资料
Introduction to Xilinx Packaging Electronic packages are interconnectable housings for semiconductor devices. The major functions of the electronic packages are to provide electrical interconnections between the IC and the board and to efficiently remove heat generated by the device. Feature sizes a ...
可编程逻辑 XAPP444 - CPLD配件,技巧和窍门
Most designers wish to utilize as much of a device as possible in order to enhance the overallproduct performance, or extend a feature set. As a design grows, inevitably it will exceed thearchitectural limitations of the device. Exactly why a design does not fit can sometimes bedifficult to determ ...
可编程逻辑 XAPP380 -利用CoolRunner-II CPLD创建交叉点开关
 
This application note provides a functional description of VHDL source code for a N x N DigitalCrosspoint Switch. The code is designed with eight inputs and eight outputs in order to targetthe 128-macrocell CoolRunner™-II CPLD device but can be easily expanded to target higherdensit ...