By LEIDITECH | 04 March 2024 | 0 Comments
electromagnetic compatibility EFTWhat is the essence of group pulse testing？
electromagnetic compatibility （EMC）It refers to the ability of electronic devices to operate normally in an electromagnetic environment without causing interference to other surrounding devices or systems，And not affected by their interference。Electromagnetic compatibility testing is a means to ensure that equipment meets standards in this regard。Lei Mao Laboratory has group pulse testing equipment for free testing。
EFT（Electrical Fast Transient）Testing is an important part of electromagnetic compatibility testing。It mainly focuses on transient voltage interference on power lines。EFTTest passed by injecting a short pulse signal into the power line，Simulate the situation where the device encounters transient interference on the power line。This transient interference may be caused by lightning strikes、Power switch、Caused by reasons such as motor startup。
EFTThe essence of testing is to verify the device's resistance to this transient interference。
ShanghaiLeiiditech ElectronicsNot only does it have testing equipment，Can also provideESD EFT SURGEFree bottom-up testing，Rectification can also be provided。
According to international standard 17626/IEC61000-4-4，EFTTesting typically includes the following steps：
1. Injecting pulse signals： Injecting short pulse signals into the power line of the device，Simulate possible electromagnetic interference encountered in actual work。
2. Response of detection equipment： Is there any abnormality in the testing equipment during pulse injection，If there will be a malfunction、Losing data or causing other abnormal behavior。
3. Evaluate the anti-interference ability of the equipment： Based on test results，Evaluate the device's anti-interference ability against electromagnetic interference，Ensure that it does not fail or affect other equipment due to electromagnetic interference in the actual working environment。
adoptEFTtest，Manufacturers and designers can identify and improve the electromagnetic compatibility of equipment，Ensure its stable and reliable operation in electromagnetic environments，At the same time, it will not cause interference to other surrounding devices。This helps ensure the interoperability and stability of electronic devices in different environments。
Shanghai Leiditech EMCLittle brother，Can interpret standards and downloads from different industries for you。
The next lecture by Lei MaoEFTExplanation of some relative parameters。
Shanghai Leimao Electronic Technology Co., Ltd，Established in 2011，brandLeiditech，It is a national high-tech enterprise。The company's R&D team consists of Dr. Liu from the United States andTIEstablishment of the original development manager，With a skilled R&D team and experienced electromagnetic compatibility industry experts，Mainly providing anti-static measuresTVS/ESDAnd relatedEMCcomponent（Discharge tubeTSS/GDT、Stabilizing tubeZENER、VaristorMOV、rectificationdiodeRECTIFIER、Self recovery fusePPTC、Field-effect transistorMOSFET、inductance）。
LeiditecharoundEMCEMC service customers，Self built free laboratory for testing static electricity for customersESD（30KV）、Group pulseEFT(4KV)、surge（8/20，10/700 10/1000）、Car load shedding（7637 5a/5b）Performance testing of components, etc。LeiditechKeeping up with the pulse of domestic and international technological updates，Continuously innovatingEMCProtection scheme and related devices，Target direction is small packaging，High power，Provide reliable solutions and components for domestic substitution。
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