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patch-2.6.29-rc1: The latest prepatch for the stable Linux kernel tr

📅 2013-12-19 14:03:02 ⬇️ 172 👁️ 1,066

The MINI2440 is an effecient ARM9 development board with a comprehensive price, it characterizes sim

The MINI2440 is an effecient ARM9 development board with a comprehensive price, it characterizes simple method and high performance-price ratio. Based on the Samsung S3C2440 microprocessor, it embodie

📅 2013-12-18 11:49:01 ⬇️ 166 👁️ 1,065

Vodafone betavine java api sample, latest stable release.

📅 2013-12-05 16:30:02 ⬇️ 66 👁️ 1,065

项目描述: Env_audit is a program that ferrets out everything it can about the environment. It looks for

项目描述: Env_audit is a program that ferrets out everything it can about the environment. It looks for process IDs, UID, GID, signal masks, umask, priority, file descriptors, and environmental variables.

📅 2013-12-02 05:29:11 ⬇️ 184 👁️ 1,122

GS算法,可以十分方便的查找stable matching,功能不时很强大,十分适合java初学者

📅 2013-12-01 08:12:10 ⬇️ 80 👁️ 1,048

水声信号功率放大器的设计与实现

设计了水声信号发生系统中的功率放大电路，可将前级电路产生的方波信号转换为正弦信号，同时进行滤波、功率放大，使其满足换能器对输入信号的要求。该电路以单片机AT89C52，集成6阶巴特沃思低通滤波芯片MF6以及大功率运算放大器LM12为核心，通过标准RS232接口与PC进行通信，实现信号增益的程控调节，对干扰信号具有良好的抑制作用。经调试该电路工作稳定正常，输出波形无失真，在输出功率以及放大增益、波纹

📅 2013-11-20 23:00:02 ⬇️ 97 👁️ 1,151

用于汽车无线电和信息娱乐系统的8V开关电源

<div> Abstract: This application note illustrates an intermediate 8V switching power supply for an automotive radio and infotainment system.The design withstands the complete automotive input voltage

📅 2013-11-20 07:28:01 ⬇️ 39 👁️ 1,059

线性低压差 (LDO) 稳压器解决方案

<div> We offer a broad line of high performance low dropout (LDO) linear regulators with fasttransient response, excellent line and load regulation, and very wide input voltage rangefrom 0.9V to 100V

📅 2013-11-15 23:44:02 ⬇️ 100 👁️ 1,044

基于89C52的二极管特性测试器的设计

<p> 　　利用单片机具有的智能程序控制的特点，设计了基于STC89C52单片机的"二极管特性测试器"，可对二极管一般特性进行快速测试。通过稳定线性电流源给二极管加载恒定电流，然后由高精度模数转换器测试其压降，以此为基础可判断二极管好坏、检测二极管极性和测试二极管伏安特性等，避免了用万用表测试只能测得极性而不知其特性这一缺点。可用于电子设计制作过程中对二极管进行快速测试，以确

📅 2013-11-13 05:16:01 ⬇️ 79 👁️ 1,115

Delta Sigma的ADC桥测量技术

<p>  </p> <div> Sensors for pressure, load, temperature, acceleration andmany other physical quantities often take the form of aWheatstone bridge. These sensors can be extremely linearand stabl

📅 2013-11-13 00:16:01 ⬇️ 80 👁️ 1,068

基准电压的温度漂移研究应用笔记

<div> Abstract: A perfect voltage reference produces a stable voltage independent of any external factors. Real-world voltagereferences, of course, are subject to errors caused by many external facto

📅 2013-11-08 06:28:01 ⬇️ 130 👁️ 1,069

低噪声电压基准的噪声测量

<p>  </p> <div> Frequently, voltage reference stability and noise defi nemeasurement limits in instrumentation systems. In particular,reference noise often sets stable resolution limits.Referen

📅 2013-10-30 16:44:01 ⬇️ 179 👁️ 1,093

基于PIC单片机的脉冲电源

<P>基于PIC单片机的脉冲电源:设计了一种金属凝固过程用脉冲电源。该电源采用PIC16F877作为主控芯片，实现对窄脉冲电流幅值的检测，以及时电流脉冲幅值根据模糊PID算法进行闲环控制。使用结果表明：该电源的输出脉冲波形良好，电流幅值稳定，满足合金材料凝固过程的工艺要求且运行稳定可靠。<BR>关键词：脉冲电源；PIC16F877单片机；模糊PID；闲环控制</P> <P>Abstract：A k

📅 2013-10-27 04:00:02 ⬇️ 100 👁️ 1,092

基于CAN总线的数字式自动找平控制系统设计

对于沥青混凝土摊铺机自动找平控制系统来说，数字式控制系统的研制是目前的一个方向。介绍了一种基于CAN总线的数字式自动找平控制系统。该系统以CAN总线作为通信方式，PWM控制信号通过C8051F040单片机内部PCA可编程计数器阵列产生，并具有结构简单、信号稳定、实时性强、易扩展的特点。通过硬件实现和系统运行达到了比较理想的控制效果，验证了系统的可行性。 <DL class=en id=eabs>

📅 2013-10-09 03:24:01 ⬇️ 162 👁️ 1,102