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  • 高速电路传输线效应分析与处理

    随着系统设计复杂性和集成度的大规模提高,电子系统设计师们正在从事100MHZ以上的电路设计,总线的工作频率也已经达到或者超过50MHZ,有一大部分甚至超过100MHZ。目前约80% 的设计的时钟频率超过50MHz,将近50% 以上的设计主频超过120MHz,有20%甚至超过500M。当系统工作在50MHz时,将产生传输线效应和信号的完整性问题;而 ...

    /dl/40328.html

    标签: 高速电路 传输线 效应分析

    上传时间: 2013-11-05

    上传用户:tzrdcaabb

  • Virtex-5 GTP Transceiver Wizar

    The LogiCORE™ GTP Wizard automates the task of creating HDL wrappers to configure the high-speed serial GTP transceivers in Virtex™-5 LXT and SXT devices. The menu-driven interface allows one or more GTP transceivers to be configured using pre-definedtemplates for popular industry standa ...

    /dl/40376.html

    标签: Transceiver Virtex Wizar GTP

    上传时间: 2013-10-20

    上传用户:dave520l

  • 新型GAL原理和应用

    GAL(generic array logic)是美国晶格半导体公 司(gem 0udu or)最新推出的可电擦写、可重复编 程、可加密的一种可编程逻辑器件(PLD)。这是第二 代PAL, 亦是目前最理想的可多次编程的逻辑电路。 它不象PAL是一次性编程,品种乡 也不像EPSOM 需要用紫外线照射擦除。GAL 电路能反复编程 采用 的是电擦除技术 可随时进行修改, ...

    /dl/40380.html

    标签: GAL

    上传时间: 2013-10-20

    上传用户:9牛10

  • USB接口控制器参考设计,xilinx提供VHDL代码 us

    USB接口控制器参考设计,xilinx提供VHDL代码 usb xilinx vhdl ;  This program is free software; you can redistribute it and/or modify ;  it under the terms of the GNU General Public License as published by ;  the Free Software Foundation; either version 2 of the License, or ;  ...

    /dl/40393.html

    标签: xilinx VHDL USB us

    上传时间: 2013-10-29

    上传用户:zhouchang199

  • UART 4 UART参考设计,Xilinx提供VHDL代码

    UART 4 UART参考设计,Xilinx提供VHDL代码 uart_vhdl This zip file contains the following folders:  \vhdl_source  -- Source VHDL files:      uart.vhd  - top level file      txmit.vhd - transmit portion of uart  &nb ...

    /dl/40395.html

    标签: UART Xilinx VHDL 参考设计

    上传时间: 2013-11-02

    上传用户:18862121743

  • SM320 PCB LAYOUT GUIDELINES

    Silicon Motion, Inc. has made best efforts to ensure that the information contained in this document is accurate andreliable. However, the information is subject to change without notice. No responsibility is assumed by SiliconMotion, Inc. for the use of this information, nor for infringements of pa ...

    /dl/40414.html

    标签: GUIDELINES LAYOUT 320 PCB

    上传时间: 2013-10-10

    上传用户:manga135

  • 开关电源EMI设计(英文版)

    Integrated EMI/Thermal Design forSwitching Power SuppliesWei ZhangThesis submitted to the Faculty of theVirginia Polytechnic Institute and State Universityin partial fulfillment of the requirements for the degree of Integrated EMI/Thermal Design forSwitching Power SuppliesWei Zhang(ABSTRACT)This wor ...

    /dl/40432.html

    标签: EMI 开关电源 英文

    上传时间: 2013-11-16

    上传用户:萍水相逢

  • pci e PCB设计规范

    This document provides practical, common guidelines for incorporating PCI Express interconnect layouts onto Printed Circuit Boards (PCB) ranging from 4-layer desktop baseboard designs to 10- layer or more server baseboard designs. Guidelines and constraints in this document are intended for use on b ...

    /dl/40445.html

    标签: pci PCB 设计规范

    上传时间: 2014-01-24

    上传用户:s363994250

  • 高精度温度测量铂电阻温度探测器(PRTDs)和​​ADC

    Abstract: Many modern industrial, medical, and commercial applications require temperature measurements in the extended temperature rangewith accuracies of ±0.3°C or better, performed with reasonable cost and often with low power consumption. This article explains how platinumresistance ...

    /dl/41751.html

    标签: PRTDs ADC 高精度 温度测量

    上传时间: 2013-11-06

    上传用户:WMC_geophy

  • ADC简化测量高阻抗传感器

      Delta-sigma ADCs, with their high accuracy and high noiseimmunity, are ideal for directly measuring many typesof sensors. Nevertheless, input sampling currents canoverwhelm high source impedances or low-bandwidth,micropower signal conditioning circuits. The LTC®2484family of delta sig ...

    /dl/41881.html

    标签: ADC 测量 传感器 高阻抗

    上传时间: 2015-01-03

    上传用户:潜水的三贡