VHDL 快速参考手册，简要概括了VHDL，非常适合做开发参考

采用SG3525实现感应加热电源的频率跟踪。(SG3525 is used to realize frequency tracking of induction heating power supply.)

模拟示波器的现实程序，有x，y和光标。采用AD5440输出，现实效果很好。（示波器x-y方式）(Analog oscilloscope reality program, there are x, y and cursor. Using AD5440 output, real good results. (Xy oscilloscope mode))

扩跳频通信在QUARTUS7.0开发环境下的VHDL源程序及总体框图实现-Frequency-hopping communication QUARTUS7.0 expanded development environment in the VHDL source code and the achievement of the overall block diagram

计数器是数字系统中使用最多的时序电路，它不仅能用于对时钟脉冲计数，还可以用于分频、定时、产生节拍脉冲和脉冲序列以及进行数字运算等。(Counter is the most frequently used sequential circuit in digital system. It can be used not only for counting clock pulses, but also for frequency division, timing, generating beat pulses and pulse sequences, and performing digital operations.)

一个简单的用verilog实现的售货机状态机设计，内有word介绍设计的原理(A simple realization of a vending machine with verilog state machine design, there are design principles introduced word)

实现SIGMA-DELTA Modulator的veriolog代码(sigma-delta moudulator for RFPLL )

Basic VHDL code to create a sine wave generator for an FPGA board.

动态获取CPU使用率源码 可以加到压力测试里(Dynamic access to CPU use the source code )

VerilogHDL教程，很详细全面的Verilog教程，循序渐进，由浅入深，十分好的学习资料(VerilogHDL tutorial, very detailed and comprehensive Verilog tutorial, step by step, progressive approach, a very good learning materials)

Token Bucket Filter queue.