至于FSK调制原理就不多说了，这里做的一个实验是二进制频移键控。发送一组码元，通过响应的键控电路监测是发1还是发0然后选择频率控制正余弦电路波形。...

Matlab code to simulation the wireless channel type.This is the most common case called Rayleigh channel.And in the frequency selective channel.

Demo 使用 PmodHMT 模块实时检测环境温度和湿度。(The Demo uses PmodHMT modules to detect environmental temperature and humidity in real time.)

New files for pudn website

一个完整的基于FPGA的IIR低通滤波器的设计方案，是一个研究生论文(master and doctor dissertation)

cadence verilog reference

简易数字存储示波器verilog源代码 经过EP2C8Q208C8验证(Simple digital storage oscilloscope verilog source code has been verified EP2C8Q208C8)

通过vhdl实现ls138硬件功能 通过vhdl实现ls138硬件功能 -the description of ls138 in vhdl

VHDL Bible. It is a must read for any front end vlsi designer.

数字电路课程设计，用VHDL实现交通灯的控制(Digital circuit design using VHDL control of traffic lights)

共两个文件，一个是对网络芯片W5500进行控制的master spi接口，另一个是w5500命令控制逻辑，命令格式按照w5500芯片的要求，分为地址段，控制段和数据段进行统一控制。此外提供w5500芯片初始化及读写控制流程图。(A total of two documents, one is the master SPI interface for network control chip W5500, the other is a w5500 command control logic, command format in accordance with the requirement of w5500 chip, divided into address segment, unified control and data segments. In addition to provide w5500 chip initialization and read and write control flow chart.)