排序:上传时间 相关度 下载量 查看数

Programmable 189

按分类查找:

  • 基于西门子S7-200PLC控制步进电机的设计及应用

    ·摘 要:PLC控制步进电机在许多工业控制中应用广泛,本文介绍了PLC(Programmable Logic Controller)通过发送脉冲和方向信号给步进电机的驱动器,由驱动器来控制步进电机工作的原理。本设计采用PLC和大功率晶体管实现步进电机的驱动和控制,结构简单,可靠性高,成本低,实用性强,具有较高的通用性和应用推广价值。[著者文摘]&n ...

    /dl/15020.html

    标签: 200 PLC 西门子 控制

    上传时间: 2013-04-24

    上传用户:comua

  • Vivado白皮书

    针对未来十年的 “All-Programmable”器件的颠覆之作

    /dl/16527.html

    标签: Vivado 白皮书

    上传时间: 2013-04-24

    上传用户:hgy9473

  • 用FPGA实现的8点32 位FFT 处理器方案

    :文章针对目前数字信号处理中大量采用的快速傅立叶变换[FFT] 算法采用软件编程来处理的应用现状,在对FFT 算法进行\\\\\\\\r\\\\\\\\n分析的基础上,给出了用FPGA[Field Programmable Gate Array] 实现的8 点32 位FFT 处理器方案,并得到了系统的仿真结果。\\\\\\\\r\\\\\\\\n最后在Altera 公司FLEX10K系列FPGA 芯片上成功地实 ...

    /dl/17676.html

    标签: FPGA FFT 处理器 方案

    上传时间: 2013-08-09

    上传用户:yangzhiwei

  • 基于CORDIC算法的高速ODDFS电路设计

    为了满足现代高速通信中频率快速转换的需求,基于坐标旋转数字计算(CORDIC,Coordinate Rotation Digital Computer)算法完成正交直接数字频率合成(ODDFS,Orthogonal Direct Digital Frequency Synthesizer)电路设计方案。采用MATLAB和Xilinx System Generator开发工具搭建电路的系统模型,通过现场可编程门阵列(FPGA ...

    /dl/20437.html

    标签: CORDIC ODDFS 算法 电路设计

    上传时间: 2013-11-09

    上传用户:hfnishi

  • 模拟IC性能的权衡 模拟到数字化设计的挑战

    Abstract: Many digital devices incorporate analog circuits. For instance, microprocessors, applicationspecificintegrated circuits (ASICs), and field-programmable gate arrays (FPGAs) may have internalvoltage references, analog-to-digital converters (ADCs) or digital-to-analog converters (DACs). How ...

    /dl/20557.html

    标签: 模拟IC 性能 模拟 数字化设计

    上传时间: 2013-11-17

    上传用户:菁菁聆听

  • 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

  • 加载,感应DAC应用

    Abstract: This article discusses application circuits for Maxim force/sense digital-to-analog converters (DACs). Applications include:selectable fixed-gain DAC, programmable gain DAC, photodiode bias control, amperometric sensor control, digitally programmablecurrent source, Kelvin load sensing, t ...

    /dl/21192.html

    标签: DAC

    上传时间: 2013-11-04

    上传用户:youmo81

  • 精密DAC和看门狗提高模拟输出安全

    Abstract: Using a DAC and a microprocessor supervisor, the system safety can be improved in industrial controllers, programmablelogiccontrollers (PLC), and data-acquisition systems. The analog output is set to zero-scale (or pin-programmable midscale) when amicroprocessor failure, optocoupler fail ...

    /dl/21258.html

    标签: DAC 精密 看门狗 模拟

    上传时间: 2013-10-17

    上传用户:sjb555

  • 数字集成电路设计Digital Integrated Circuit Design

      This unique guide to designing digital VLSI circuits takes a top-down approach, reflecting the natureof the design process in industry. Starting with architecture design, the book explains the why andhow of digital design, using the physics that designers need to know, and no more.Coverin ...

    /dl/21305.html

    标签: Integrated Digital Circuit Design

    上传时间: 2013-11-04

    上传用户:life840315

  • 可程式盘面型位数电表

    精确度0.05%满刻度±1位数(Accuracy 0.05%F.S.±1digit) 可测量交直流电流/交直流电压/电位计/传送器/Pt-100/荷重元/电阻等信号(Measuring DCA/DCV/ACA/ACV/Potentiometer/Transmitter/Pt-100/Load Cell/Resistor/etc……) 显示范围0-19999可任意规划(Programmable rate 0 to 1999 digit) 小 ...

    /dl/23790.html

    标签: 程式 数电

    上传时间: 2014-01-25

    上传用户:RQB123