Electromagnetic compatibility laboratory (EMC) 

Foto: Thor Balkhed

Electrical and electromagnetic noise sources become more and more common as the number of advanced electronic equipment increases. Electromagnetic compatibility (EMC) aims at measurement of unwanted emissions from electrical equipment. 
 
Unwanted emissions are usually separated into two main categories. They are conducted emissions through the power cord that is measured between 150 kHz and 30 MHz, and radiated emissions that are measured from 30 MHz and upwards (minimum to 1 GHz but the upper limit is case-dependent). Today there are a number of standards used worldwide, e.g., CISPR and IEC/EN 61000 standards. Dependent of equipment classes, different standards are required by local authorities. 
 
Our radio measurement capacity has extended with an EMC laboratory, more precisely a semi-anechoic EMC chamber suitable for radiation measurements on a three meter measurement range. It is also available to measure conducted emissions using a line impedance stabilization network (LISN).

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