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双绞线和低通滤波器降低EMI_RFI

Abstract: Alexander Graham Bell patented twisted pair wires in 1881. We still use them today because they work so well. In addition we have the advantage ofincredible computer power within our world. Circuit simulators and filter design programs are available for little or no cost. We combine the ...

/dl/20986.html

标签： EMI_RFI 双绞线低通滤波器

上传时间： 2014-11-26

上传用户：Vici

信号链和PLC是如何影响我们的生活

Abstract: It is incredible how many programmable logic controls (PLCs) around us make our modern life possible and pleasant.Machines in our homes heat and cool our air and water, as well as preserve and cook our food. This tutorial explains the importanceof PLCs, and describes how to choose compon ...

/dl/21134.html

标签： PLC 信号链

上传时间： 2013-11-10

上传用户：liaocs77

智能电网安全保护

Abstract: Stuxnet, a sophisticated virus that damaged Iran's nuclear capability, should be an eye openerfor the world. We can choose to learn something very narrow (how to combat the Stuxnet virus) or wecan choose to focus on the larger goal of thwarting the next type of creative cyber attack. ...

/dl/23219.html

标签： 智能电网安全保护

上传时间： 2013-11-17

上传用户：llwap

DN442 I2C可控降压紧凑型同步DC/DC稳压器

  The LTC®3562 quad output step-down regulator is designedfor multicore handheld microprocessor applications thatoperate from a single Li-Ion battery. Its four monolithic, higheffi ciency buck regulators support Intel’s mobile CPU P-Stateand C-State energy saving operating modes. ...

/dl/24325.html

标签： DC 442 I2C DN

上传时间： 2013-10-07

上传用户：1583060504

Wide-input dc/dc modules offer

When a system designer specifies a nonisolated dc/dc powermodule, considering the needed input voltage range isequally as important as considering the required performanceattributes and features. Generally, nonisolated moduleshave either a narrow or a wide input voltage range. Narrowinputmodules typ ...

/dl/24438.html

标签： Wide-input modules offer dc

上传时间： 2014-12-24

上传用户：dragonhaixm

lpc2478完全使用手册

NXP Semiconductor designed the LPC2400 microcontrollers around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded Trace. The LPC2400 microcontrollers have 512 kB of on-chip high-speedFlash memory. This Flash memory includes a special 128-bit wide me ...

/dl/30319.html

标签： 2478 lpc 使用手册

上传时间： 2013-11-15

上传用户：zouxinwang

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 ...

/dl/32656.html

标签： QDPSK CPLD 调制解调电路设计

上传时间： 2014-01-13

上传用户：qoovoop

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 ...

/dl/35962.html

标签： labview

上传时间： 2013-10-13

上传用户：zjwangyichao

MAX16948双遥控天线LDO开关

  Abstract: This application note helps system designers choose the correct external components for use with the MAX16948 dualremote antenna LDO/switch, thus ensuring that automobile-regulated phantom antenna supply and output-current-monitoring circuitrymeet performance objectives. An elec ...

/dl/36479.html

标签： 16948 MAX LDO 遥控天线

上传时间： 2013-11-04

上传用户：lhll918

ZigBee无线传感网络的路由协议研究

 为满足无线网络技术具有低功耗、节点体积小、网络容量大、网络传输可靠等技术要求，设计了一种以MSP430单片机和CC2420射频收发器组成的无线传感节点。通过分析其节点组成，提出了ZigBee技术中的几种网络拓扑形式，并研究了ZigBee路由算法。针对不同的传输要求形式选用不同的网络拓扑形式可以尽大可能地减少系统成本。 ...

/dl/36488.html

标签： ZigBee 无线传感网络协议研究路由

上传时间： 2013-10-09

上传用户：robter

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choose 52条

按分类查找:

双绞线和低通滤波器降低EMI_RFI

信号链和PLC是如何影响我们的生活

智能电网安全保护

DN442 I2C可控降压紧凑型同步DC/DC稳压器

Wide-input dc/dc modules offer

lpc2478完全使用手册

基于CPLD的QDPSK调制解调电路设计

6小时学会labview

MAX16948双遥控天线LDO开关

ZigBee无线传感网络的路由协议研究

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