Vhdl实现的鼠标协议历程，代码可读性高，适合作为案例参考。

可以获取各种字符，并在数码管显示出来，非常的靠谱且稳定(Various characters can be acquired and displayed on the digital tube.)

用Verilog 实现的电子时钟，给初学者一个模版，学习Verilog。-Using Verilog realize an electronic clock, a template for beginners to learn Verilog.

FPGA中实现的MSK调制，带modelsim仿真。实际系统测试通过：载波和调制波信号频率可调。调制框图请参见樊昌信 通信原理247页(MSK modulation implemented in FPGA with modelsim simulation. The actual test system: a carrier wave signal and the modulation frequency is adjustable. See Fan Changxin modulation block diagram of communication theory 247)

用FPGA模拟VGA时序、模拟PS/2总线的键盘接口VHDL源代码，基于Xilinx spartan3-VGA FPGA timing simulation, simulation PS/2 keyboard interface bus VHDL source code, Based on Xilinx spartan3

说明：  Xilinx CORDIC 算法 MATLAB Verilog仿真(arctan.m Kn.m sin_cos.m MATLAB Verilog)

This an interpolating by 2 half-band filter with 79 taps (40 none-zero coefficients).

说明：  HDB3编码Quartus2 10.0的工程，modelsim仿真，有实物图、仿真图以及源程序，适合做通信原理课程设计的同学参考使用(HDB3 encoding Quartus2 10.0 project, modelsim simulation, there are physical map, simulation diagrams and source code, suitable for students of communication theory courses designed for reference use)

高速串行设计FPGA-GTX IP设置生成drp模块，可动态配置速率2.4Gbps，1.2Gbps，0.6Gbps，自适应链接(High-speed serial design FPGA-GTX IP setting generation drp module, dynamically configurable rate 2.4Gbps, 1.2Gbps, 0.6Gbps, adaptive link)

频率计，测量频率。可测范围为100HZ至60khz.测量比较稳定。基于MSPg2553(Frequency meter, measuring frequency. Measurable range 100HZ to 60khz. Stable measurement)

A program for a simple decoder using ModelSim6