ADO.NET訪問數(shù)據(jù)的教程文檔。文章很詳細的介紹了.NET下 ADO對數(shù)據(jù)庫的操作。-ADO.NET data access tutorial documentation. The article
標簽: ADO_NET
上傳時間: 2013-05-15
上傳用戶:liuwei6419
Visual C++ 6.0 實例教程.pdf-Visual C++ 6.0 tutorial examples. Pdf\r\n
標簽: shilijiaocheng Visual-C 6.0
上傳時間: 2013-04-24
上傳用戶:nbdedu
Abstract: This tutorial discusses proper printed-circuit board (PCB) grounding for mixed-signal designs. Formost applications a simple method without cuts in the ground plane allows for successful PCB layouts withthis kind of IC. We begin this document with the basics: where the current flows. Later, we describe how toplace components and route signal traces to minimize problems with crosstalk. Finally, we move on toconsider power supply-currents and end by discussing how to extend what we have learned to circuits withmultiple mixed-signal ICs.
上傳時間: 2013-11-04
上傳用戶:pol123
Abstract: What can be simpler than designing with CMOS and BiCMOS? These technologies are very easy to use butthey still require careful design. This tutorial discusses the odd case of circuits that seem to work but exhibit somepeculiar behaviors—including burning the designer's fingers!
上傳時間: 2013-11-03
上傳用戶:dick_sh
Abstract: Many industrial/scientific/medical (ISM) band radio frequency (RF) products use crystal oscillators to generate areference for the phase-locked loop (PLL)-based local oscillator (LO). This tutorial provides a basic description of theISM-RF Crystal Calculator, which can be used to calculate various impacts on crystal frequency accuracy and startupmargin for such an LO.
上傳時間: 2013-11-15
上傳用戶:JasonC
Abstract: Mechanical misalignment and scaling factors lead to a mismatch between the values coming from a touchscreen panel (as translated by a touch screen controller) and the display (typically an LCD) on which the touch screenpanel is mounted. This tutorial discusses how to calibrate the touch screen panel to match the display.
標簽: 校準 觸摸屏 系統(tǒng)研究
上傳時間: 2013-10-21
上傳用戶:euroford
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 component parts using the parametric tools on the Maxim's website.A similar version of this article was published February 29, 2012 in John Day's Automotive Electronic News.
上傳時間: 2013-11-10
上傳用戶:liaocs77
Abstract: This tutorial discusses methods for digitally adjusting the output voltage of a DC-DC converter. The digital adjustmentmethods are with a digital-to-analog converter (DAC), a trim pot (digital potentiometer), and PWM output of a microprocessor.Each method is assessed and several DACs and digital potentiometers presented.
標簽: DCDC 數(shù)控 便攜產(chǎn)品 中的應用
上傳時間: 2013-11-20
上傳用戶:zycidjl
A tutorial on SAR type A/D converters, this note contains detailed information on several 12-bit circuits. Comparator, clocking, and preamplifier designs are discussed. A final circuit gives a 12-bit conversion in 1.8µs. Appended sections explain the basic SAR technique and explore D/A considerations.
上傳時間: 2014-01-21
上傳用戶:釣鰲牧馬
Abstract: It may sound trite, but it is definitely true: the smart grid has the potential to completely transform the energyindustry. However, smart meters and grid management alone will not ensure the success of the smart grid. Unliketraditional IT networks, smart grids require consideration of energy measurement and security. To completely optimize thistechnology, smart grid designs must focus on energy measurement and security. This tutorial considers the benefits ofboth energy measurement and security and how they make machine-to-machine networks different from traditional IT.
標簽: 電能計量 安全性 智能電網(wǎng)
上傳時間: 2013-10-29
上傳用戶:皇族傳媒