本电路以LM3886芯片制作的一款高品质大功率功放板，资料中含有电路原理图和PCB板。制作完后音质效果很好。,LM3886 chips in the circuit produced a high-quality high-power amplifier board, the information contained in the circuit schematic and PCB board. After making a very good sound quality.

一套三相逆变器的原理图和PCB板，控制芯片为HT3117，-A three-phase inverter schematic and PCB board, controller chips for HT3117,

联发科MT8389芯片方案的4核平板电脑PCB和原理图，用PADS软件打开。-4-core Tablet PC PCB and schematic MediaTek MT8389 chip solutions, using PADS software to open.

电容降压阻容计算含具体算法和选型电容降压原理图和设计图-Capacitor step-down resistor-capacitor containing specific algorithm to calculate and selection