In the VW TL 81000 standard developed by Volkswagen automobile company, measurement and test methods are defined to determine the electromagnetic compatibility of electronic devices in automobiles.
This standard describes requirements for electrostatic discharge, radio frequency transmitted emissions, radio frequency radiated emissions, absorber-lined shielded enclosure (including radar pulse up to 18 GHz), bulk current injection, and the like.
Within the framework of this standard, resistance tests to electrostatic discharge are carried out in order to control the behavior of electronic equipment in response to the rapid flow of electric charge between bodies with different electrostatic potentials in the immediate environment or in direct contact.
Electrical and electronic equipment in a vehicle, which in many cases is connected by long bundles of wires and has multiple connections, may experience mutual interference with each other through electrical interference transmitted by conduction along the power cables. For example, radiated conductor interference tests are performed to determine the nature and level of interference.
On the other hand, using precisely defined test pulses, the vehicle electronic equipment is controlled so that the voltage waveforms that occur in the onboard electrical system of the vehicle are reflected.
All electrical and electronic devices, including automotive components containing electronic circuits, have the potential to transmit electromagnetic fields. These waves are quite similar to radio and TV waves and microwaves. Often, these emissions are strong enough to affect the operation of other electronic equipment in the environment. Therefore, electromagnetic compatibility (EMC) tests are performed on such components to ensure that the emissions from these components fall within the electromagnetic spectrum. There have been many instances where automotive components have been recalled from the market due to high levels of electromagnetic interference. Today, it is mandatory to perform the necessary tests for all electronic components. These tests prove that electromagnetic emissions are within the range permitted for the operation of other similar products.
Among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors, our organization also provides testing services to determine the electromagnetic compatibility of automotive electronic components, within the scope of VW TL 81000 standard, with its trained and expert staff and advanced technological equipment.
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