The PCA9518 is a BiCMOS integrated circuit intended forapplication in I2C and SMBus systems.While retaining all the operating modes and features of the I2Csystem, it permits extension of the I2C-bus by buffering both thedata (SDA) and the clock (SCL) lines, thus enabling virtuallyunlimited buses of 400 pF.
标签: Expandable 5channel 9518 PCA
上传时间: 2013-10-23
上传用户:dumplin9
在Multisim 10软件环境下,设计一种由运算放大器构成的精确可控矩形波信号发生器,结合系统电路原理图重点阐述了各参数指标的实现与测试方法。通过改变RC电路的电容充、放电路径和时间常数实现了占空比和频率的调节,通过多路开关投入不同数值的电容实现了频段的调节,通过电压取样和同相放大电路实现了输出电压幅值的调节并提高了电路的带负载能力,可作为频率和幅值可调的方波信号发生器。Multisim 10仿真分析及应用电路测试结果表明,电路性能指标达到了设计要求。 Abstract: Based on Multisim 10, this paper designed a kind of rectangular-wave signal generator which could be controlled exactly composed of operational amplifier, the key point was how to implement and test the parameter indicators based on the circuit diagram. The duty and the frequency were adjusted by changing the time constant and the way of charging and discharging of the capacitor, the width of frequency was adjusted by using different capacitors provided with multiple switch, the amplitude of output voltage was adjusted by sampling voltage and using in-phase amplifier circuit,the ability of driving loads was raised, the circuit can be used as squarewave signal generator whose frequency and amplitude can be adjusted. The final simulation results of Multisim 10 and the tests of applicable circuit show that the performance indicators of the circuit meets the design requirements.
上传时间: 2014-01-21
上传用户:shen007yue
This a Bayesian ICA algorithm for the linear instantaneous mixing model with additive Gaussian noise [1]. The inference problem is solved by ML-II, i.e. the sources are found by integration over the source posterior and the noise covariance and mixing matrix are found by maximization of the marginal likelihood [1]. The sufficient statistics are estimated by either variational mean field theory with the linear response correction or by adaptive TAP mean field theory [2,3]. The mean field equations are solved by a belief propagation method [4] or sequential iteration. The computational complexity is N M^3, where N is the number of time samples and M the number of sources.
标签: instantaneous algorithm Bayesian Gaussian
上传时间: 2013-12-19
上传用户:jjj0202
This application note describes a method for developing block-oriented I/O device drivers for applications that use the DSP/BIOS real-time kernel and includes examples that run with Code Composer Studio v2.1 on the Texas Instruments TMS320C5402 and TMS320C6711 DSP Starter Kits (DSKs). The device driver model presented here has now been superceded with an updated version that supports not only block oriented devices, but also devices such as UARTs, PCI and USB buses and Multimedia cards. Documentation on the updated driver model as well as example drivers and source code can be found in the Device Driver Developer s Kit product now available for download from the TI Developer s Village.
标签: block-oriented application developing describes
上传时间: 2015-07-07
上传用户:kelimu
OLE Programmer s Reference Information in this online help system is subject to change without notice and does not represent a commitment on the part of Microsoft Corporation. The software and/or files described in this online help system are furnished under a license agreement or nondisclosure agreement. The software and/or files may be used or copied only in accordance with the terms of the agreement. The purchaser may make one copy of the software for backup purposes. No part of this online help system may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or information and retrieval systems, for any purpose other than the purchaser s personal use, without the written permission of Microsoft Corporation.
标签: Information Programmer Reference subject
上传时间: 2015-08-04
上传用户:hxy200501
PCI Hot-Plug Specification Revision 1.0 The primary objective of this specification is to enable higher availability of file and application servers by standardizing key aspects of the process of removing and installing PCI adapter cards while the system is running. Although these same principles can be applied to desktop and portable systems using PCI buses, the operations described here target server platforms.
标签: Specification specification objective Hot-Plug
上传时间: 2013-12-09
上传用户:zyt
Monet™ -203, by Oplus, is a line of integrated multimedia digital display processor chips designed for highquality LCD-TVs, multifunction monitors, Plasma Displays, and Projection Systems
标签: integrated multimedia processor digital
上传时间: 2015-09-08
上传用户:cmc_68289287
Pipeline synchronization is a simple, low-cost, highbandwidth,highreliability solution to interfaces between synchronous and asynchronous systems, or between synchronous systems operating from different clocks.
标签: synchronization highreliability highbandwidth interfaces
上传时间: 2014-12-05
上传用户:l254587896
This book describes the following communications applications: Mail, Message Handler( MH), Transmission ControlProtocol/ Internet Protocol(TCP/ IP), Basic Networking Utilities( BNU), and Asynchronous Terminal Emulation( ATE). It provides overviews, concepts, and procedures on receiving and sending mail and messages, transferring files( ftp command), printing files from and to a remote system, running commands on other systems, communicating between local and remote systems, and customizing the communications environment.
标签: communications applications Transmiss describes
上传时间: 2013-12-18
上传用户:woshini123456
Spikes can be taken as absolute quantities of measuring values which are large than approximately four (expressed as variable [Times_SD] in the program)times of the standard deviation of the time series, and can be removed by repeating 3 times with each time series. When a measuring value with the deviation from the mean larger than four times of the standard deviation, the variable can be taken as NO_VALUE, and the number of spikes is saved into the variable [SpikeNum]. If the variable [Times_SD] is taken as four, many records will be removed, so the variable [Times_SD] can be taken as larger, for example eight.
标签: approximately quantities measuring absolute
上传时间: 2015-11-09
上传用户:yangbo69