本文講述了一個基於FAN4800 連續PFC 前端的雙管正激電源的功率級設計。回顧了這種電源的設計選擇。討論的實際課題包括功 率器件選型，電磁設計，佈局和電磁干擾 (EMI)，目的在於幫助工程師加速並改善其設計。-This article about a front-end based on the FAN4800 PFC consecutive two-transistor forward power stage power supply design. Review this power

本例程是三电平故障诊断仿真，通过观察输出波形来判断哪个开关管有损坏，是什么损坏-This Simulation files is a three-level fault diagnosis simulation, by observing the output waveform to determine which switch is damaged, what damage is

化工原理的局部阻力系数求解代码，包含粗糙管光滑管局部阻力管拉姆塔和Re求解，还有通过柏拉休斯方程求解拉姆塔，求光滑管误差，最后粗糙管画图-Local resistance coefficient of chemical principles to solve the code, including smooth and rough tubes and pipes local resistance tube 拉姆塔 Re solving, as well as La Muta by Plato H