ngspice-manual

实现PI+重复控制的有源电力滤波器（APF）(An active power filter (APF) that using PI+ repetitive control)

对delta sigma进行设计，实现delta sigma ADC的设计(this is use for delta sigma adc ,and design and achieve adc)

双闭环正激电路仿真，已验证输出，效果稳定，(Double closed-loop circuit simulation, verified output, stable effect,)

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.)

单片机电容触摸屏硬件PCB设计，layout(Microcontroller, capacitor, touch screen, hardware, PCB design, layout)

说明：  包含主板，驱动板，运放等所需全部板工程文件(Contains all board engineering files required for motherboard, driver board, op amp, etc.)

说明：  wireless charging source code.

wireless charging source code.

Basic principle of LDPC code and FPGA implementation of LDPC code