During the certification of electronic products, EMC tests are often required. The certification authority will require the manufacturer to provide test report approved and issued by competent authority. So why do you need to conduct EMC testing? Down below, Strictron Electronics will answer for you.

    Electromagnetic interference (EMI) and electromagnetic susceptibility (EMS) must be taken into consideration during product design. Therefore, the four physical aspects generally covered by electromagnetic compatibility (EMC) must be solved or avoided:

    Radiated emission (RE), conducted emission (CE), conducted immunity (CI), radiated Immunity (RI).

    In the international standards of electromagnetic compatibility (EMC), they are classified according to this system. Each electronic product has corresponding electromagnetic compatibility (EMC) standards, and these international standards will be revised and updated at regular intervals. Just like other laws and regulations or standards, in case of serious problems caused by relevant standards, in order to avoid the recurrence of the same problems, it is necessary to find out and fill in the gaps. Relevant organizations such as ISO and the IEC shall conduct evaluation and negotiation, then revise and update the frequency range and measurement limit value, and issue the corresponding latest international standards.

    The electromagnetic compatibility of electronic products is not only related to the work stability and use safety of the products themselves, but also affects the normal work of other equipment and systems, and is related to the protection of the electromagnetic environment of human life. Imagine that when you watch TV, if your family uses small appliances such as hair dryers or razors, snow streaks appear on the TV screen, or the electric rice cooker often does not cook rice, or the turned-off household appliances start themselves unconsciously... There are more serious situations, such as electromagnetic interference signals that may affect medical electronic equipment and interfere with the work of the aircraft, It will cause incalculable losses and consequences. These situations described above are all very common effects of electromagnetic interference. Therefore, the importance of EMC certification can not be ignored!

    Nowadays, the working frequency of electronic products is getting higher and higher. In the past, 100MHz was called super high speed, but now 1GHz ~ 10GHz is not uncommon. It is well known that the higher the frequency is, the easier radiation is generated. With the development of science and technology, the integration degree of semiconductor integrated circuits (IC) will be higher and higher, and the electromagnetic compatibility (EMC) problem will become more common and serious in the future.

    So, back to the title of this article, why EMC certification is required? Not only to maintain a stable living order, but also to ensure personal and social safety!