EMC Testing

In the electromagnetic certification, there are different testing standards and instructions for different products, and it is necessary to test EMC for live products. EMC refers to the ability of equipment or system to work normally in its electromagnetic environment and not to constitute unbearable electromagnetic disturbance to anything in the environment, including electro magnetic interference and electro magnetic sustainability.

Criteria of Element EMC Testing
ETSI EN 301 489-1
ETSI EN 301 489-50
3GPP TS 37.113 (MSR)
3GPP TS 37.114 (AAS)
3GPP TS 36.113 (LTE)
3GPP TS 38.113(NR)
FCC part 15B
ICES-003
CISPR 32
CISPR 24

Emi Emc Tests List
Radiation and Emission
Conducted and emission
Harmonic current, voltage ripple and flicker test
Radiated electromagnetic field immunity
Radio frequency conducted immunity
Electrostatic discharge ( ESD)
Electrical fast transient ( EFT)
Surge / lightning strike
Voltage sag short interruption
Power frequency magnetic field

With the continuous development of the electronic industry and communication technology, intelligence and wireless have become an inevitable trend. An important problem derived therefrom is electromagnetic compatibility (EMC). EMC studies the interference and anti-interference of electronic products or their systems and improves the anti-interference ability of products and studies the transmission characteristics through the analysis of experimental means. Each country has also formulated corresponding emi and emc standards to define transmission limits and protect the normal use of its communication band. The general EMC problems are divided into EMI and EMS, in which radiation emission is the difficulty and key point of the EMI part. At present, the most commonly used radiation test site is the semi anechoic chamber (SAC), which is an alternative field to open up the test site. It has the advantages of high efficiency, low cost, space-saving, weather free, etc. Combining with EMI measurement receiver, signal source, power amplifier, and antenna equipment, radiation emission can be carried out. And the measurement of radiation immunity.
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