Reverse-engineering the Input EMI filter of Online UPS. скачать в хорошем качестве

Reverse-engineering the Input EMI filter of Online UPS.

Input EMI filter (Online UPS) EMI, or Electro-Magnetic Interference, is defined as unwanted electrical signals and can be in the form of conducted or radiated emissions. The function of EMI filter is to reduce high frequency electronic noise that may cause interference with other devices. Regulatory standards exist in most countries that limit the amount of noise that can emitted. Most of Industrial electronics device contains an EMI filter, either as a separate device, or embedded in circuit boards. The Conducted EMI is where the noise travels along the electrical conductors. The Radiated EMI is where the noise travels through the air as magnetic fields or radio waves. Reverse engineering (also known as backwards engineering or back engineering) is a process or method through which one attempts to understand through reasoning how a previously made device, process and system; an object to see how it works. It is done primarily to analyze and gain knowledge about the way something works but often is used to repair or enhance the object.