ldpc算法

说明：  基于FPGA的任意波形发生器DDS,verilog编写，正常使用(Arbitrary waveform generator DDS based on FPGA)

说明：  文件中包含stm32开发板所配套的开关使用说明的程序例程，重在讲解开关是如何被使用的，在kEIL5软件上怎么编写的。(The document contains the program routine of the switch instructions matched by STM32 development board, focusing on how the switch is used and how to write on kEIL5 software.)

说明：  使用system verilog编写的一系列代码。包括二进制码与格雷码转换，优先编码器，38解码器，计数器等等(system verilog code with testbench.)

说明：  使用DCDC电源驱动步进电机正转和反转，PWM波控制转速(DCDC power supply is used to drive forward and reverse rotation of stepping motor, and PWM wave is used to control speed)

说明：  使用multisim软件设计的直流稳压保护电路，具有交流信号转直流信号，还进行了限压保护，最后通过光耦隔离器件作为开关，进行后续器件的驱动(The DC voltage stabilizing protection circuit designed by Multisim software has AC signal to DC signal and voltage limiting protection. Finally, the optical coupling isolation device is used as the switch to drive the follow-up device)

基于74系列数字芯片的8层电梯控制器，Multisim13仿真(An 8- layer elevator controller based on 74 series digital circuit chip.)

通过IO口控制两路24V电压输出，一路24V转两路24V(Two 24V voltage outputs are controlled by IO port, one 24V is converted to two 24V.)

说明：  高频感应加热设备电器原理图 Protel99格式 PDF格式 高频感应加热设备电器原理图(Electrical schematic diagram of high frequency induction heating equipment)

说明：  MT7620N SCH&PCB,you can reference it to design yourselef.

很好的candence教程，含原理图PCB和例程，可以配合视频边学边做(Good candence tutorial, including schematic PCB and routines, can cooperate with video while learning to do)