Quality of EMC Measuring Equipment Must Be Verified with Digital Signal Ports

22:00, 10/07/2024

This is the noteworthy content stipulated in Circular 28/2017/TT-BTTTT, which prescribes the National Technical Regulation on electromagnetic compatibility for fixed radio transmission equipment and auxiliary equipment.

The quality of the equipment must be verified for digital signal ports by the following methods:

- By measuring the number of bit errors caused on the main signal port in all exposures;- By functionally testing the main signal port and other signal ports after exposure;- By confirming that software deviations and data stored in memory did not occur.

Additionally, Circular 28/2017/TT-BTTTT also allows for background errors that may occur at any time; the testing can be repeated up to three times to determine any correlation between random errors and EMC phenomena.

See the detailed quality criteria for each phenomenon at Circular 28/2017/TT-BTTTT effective from July 1, 2018.

- Thanh Lam -

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