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Technical note 3
Transport of electric power along conductors occurs via waves DC, 50 Hz, AM-, FM-, TV- a......Technical note 2
Fields and waves Leakage of power via fields is the cause of interaction between circui......Radiated susceptibility system 18GHz
The laboratory brings a new test system into use for radiated susceptibility testing. This mobile......Technical note 1
EMC: applied theory of electromagnetism, not black magic. EMI is caused by leakage of po......
CE/FCC-certification
Measurements
Conform the CE-legislation electrical equipment can be marked with a CE-label when complying with all relevant standards. When complying to all relevant standards the assumption of being in keeping with the EMC & LVD guidelines is met.
Of course there are many more kinds of measurements that can be performed by BICON laboratories (CE or Military). Please contact us here for more information.
Most measurements described in the relevant standards are explained in the following topics:
IMMUNITY
Short and Long DIPS-SAG testing
| Dips on mains voltage Electrical and electronic equipment may be affected by voltage dips and short interruptions. By connecting this equipment to low-voltage power supply networks, they are subject to this type of disturbance. Voltage dips and short interruptions are caused by faults in the network, in installations or by a sudden large change of load. In certain cases, two or more consecutive dips or interruptions may occur. These phenomena are random in nature and can be characterized in terms of the deviation from the rated voltage and duration. Most data-processing equipment has built-in power-fail detectors in order to protect and save the data in the internal memory so that after the mains voltage has been restored, the equipment will start up in the correct way. Some power-fail detectors will not react sufficiently fast on a gradual decrease of the mains voltage. Therefore, the d.c. voltage to the integrated circuits will decrease to a level below the minimum operation voltage before the power-fail detector is activated and data will be lost or distorted. When the mains voltage is restored, the data-processing equipment will not be able to restart correctly before it has been re-programmed. When performing the tests it is required that the EUT and possible auxiliary equipment are exercising all normal modes of operation. The test results may be classified on the basis of the operating conditions and functional specifications of the EUT, according to the following performance criteria:
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