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基于可编程跨导运算放大器POTA低通有源滤波器设计。该文给出了基于可编程跨导运算放大器(POTA)的有源滤波器设计方法，能在一定范围内实现跨导值程控调节, 提高调节精度和准确度。并且利用Jacobi 法求解相似对角形矩阵，避免解高次方程的难题。所设计的有源滤波电路不易受分布电容的影响，稳定性好、灵敏度低。本文给出了设计实例，显示了该方法的优点。-Based on programmable transconductance operational amplifier POTA low-pass active filter design. In this paper, based on the programmable transconductance amplifier (POTA) of the active filter design method that can realize in a certain range transconductance value of program-controlled adjustment, improve precision and accuracy regulation. Jacobi method and use a similar matrix of angular, high-equation solution to avoid problems. Designed active filter circuit less susceptible to the effects of distributed capacitance, good stability, low sensitivity. In this paper, design examples, showing the advantages of the method.

用于个人网站建设用的时钟代码 用HIML语言编的-for personal use website building with a clock source language series hole

压缩包提供altera公司逻辑器件的标准封装，共有8百多个器件，可以供用户选择，封装格式均用protel99SE。-Altera compressed package provided by the company

很好的英语学习资源,对词汇量的提高十分有益。-Very good English learning resources, improve vocabulary and useful.

text chatting program

将16进制转换成10进制的C语言源码 提供任意位数（包含小数点）的转换， 适合在校大学生C语言课程参考-base for the conversion of 16% of the 10 C-band source of arbitrary median (including decimal point) conversion, suitable for the college students C language courses reference

Game Boy Advanced(GBA)是日本任天堂公司于2001年推出的一款32位掌上游戏机.它着重于游戏机的便携式,并且以2D游戏为主(3D游戏依然不错).GBA有十分高效硬件图像处理加速,GBA基本上是现在全球公认的最佳的掌上游戏机.-Game Boy Advanced (GBA), Nintendo of Japan in 2001 introduced a 32-bit handheld console. It focuses on the portable console, and a 2D game-focused (3D games still good). GBA has a very efficient image processing hardware acceleration is basically GBA now recognized worldwide as the best handheld console.

黑白棋的源代码，解压后打开运行，按上下左右键移动棋子，按enter键确定。-Riversi the source code, open the run after decompression, according to a pawn up and down keys to move around, press enter key to determine.

thinkinc++(书，中文，源码)，初学者必备的一本好书-thinkinc++ (books, Chinese, source), beginners must have a good book

Cubist-demo调试程序-Cubist-demo debugger