EMC Tips

Electromagnetic Compatibility (EMC) is an emerging comprehensive discipline that is an important technical performance of electronic and electrical equipment or systems. EMC (Electromagnetic Compatibility)=EMI (Electromagnetic Interference)+EMS (Electromagnetic Immunity), which sounds very abstract. Let's give an example to illustrate what EMC really is.

One day, in the MEZOLEN comprehensive office, colleague A and colleague B had a disagreement on a certain matter. The discussion between A and B became increasingly intense, causing other colleagues to involuntarily join the discussion. At this point, we set colleague A and colleague B as sources of interference, and all other participating colleagues were disrupted by this source.

EMI (Electromagnetic Interference) refers to the interference caused by two colleagues, A and B, who did not handle EMI properly and interfered with others. EMS (Electromagnetic Immunity) refers to the interference caused by other colleagues who did not handle EMS properly. Now I believe everyone has a certain understanding of EMC. Let's take a look at the definition of EMC.

EMI (Electro Magnetic Interference) - electromagnetic interference performance. When equipment or systems are operating normally in a certain environment, they should not generate electromagnetic energy interference that exceeds the requirements of the corresponding standards.

EMS (Electro Magnetic Susceptibility) - Electromagnetic Immunity Performance. When a device or system operates normally in a certain environment, it can withstand various types of electromagnetic energy interference.

So how to deal with EMC issues? Taking the MEZOLEN comprehensive office as an example: 

1. Colleagues A and B can go to the conference room to discuss, and the solution is to block the interference outside the door; 

2. Consult experts on relevant issues to quickly resolve disputes, and find solutions to quickly smooth out interference. The following figure is a common textbook image that illustrates the principle of EMC.

MEZOLEN has set its own R&D standards, design system, and analysis methods based on its years of accumulated testing experience to address EMC issues. It regulates and constrains every engineer involved in the design process.