摘要： http://electronicdesign.com/digital-ics/digital-current-mode-control-challenges-analog-counterpartsDigital Current-Mode Control Challenges Analog CounterpartsElectronic DesignBryan KrisThu, 2006-11-16 (All day)Switch-mode power supplies can use digital current-mode techniques for protection against 阅读全文

摘要： http://www.analog.com/zh/content/dc-to-dc_switching_regulator_insights/fca.html作者：Sridhar Gurram，Oliver Brennan，Tim Wilkerson引言长期以来，设计师一直面临着使MP3播放器、个人媒体播放器、数码相机和其它便携式消费电子设备满足高性能和低功耗的艰巨挑战。这些电池供电系统通常使用嵌入式数字信号处理器(DSP)，以便在处理多媒体应用时提供最大的处理能力，在睡眠模式时达到最小的功耗。电池寿命是手持式电池供电产品的首要指标，因此这些产品的成功与否与电源系统的效率直接相关。DC/DC降 阅读全文

摘要： 【TI博客大赛】【原创】LM3S811之基于PWM的DAChttp://bbs.ednchina.com/BLOG_ARTICLE_3005301.HTMhttp://www.fpga4fun.com/PWM_DAC_3.htmlOne-bit DACTake one pin of an FPGA, connect a speaker and listen to an MP3? Easy.Here, we'll use a PC to decode an MP3, and then send the decoded data to an FPGA that is configured 阅读全文

摘要： http://www.cnblogs.com/westsource/archive/2012/12/26/2834876.htmlIf you have Windows Server 2012 iso file or DVD,you can install .net framework 3.5 on Windows Server 2012 easly.1. You have to insertWindows Server 2012 DVD or isoto D drive.2. Open Add Roles and Features Wizard3. Select .NET Framework 阅读全文