engleski

DC/DC-modules sensitivity to RF electromagnetic fields - testing procedure

The modern telecommunications facilities depend on power units, which can be shut down suddenly by severe disturbances. A large number of disturbances can be attributed to radiated electromagnetic emissions. Beside standard measuring equipment like RF generator and a power amplifier, a cell is needed in which well defined electromagnetic field is established, to test a DC/DC converter. The paper exhibits the test procedure, and describes the GTEM-cell designed at the Faculty of Electrical Engineering and Computing in Zagreb that can be used for EMC measurements from 0.1 to 1 GHz. This cell was used in testing the immunity of the on-board power supply to the radiated electromagnetic emission. Finally, the paper presents the experimental data on high magnitude electromagnetic field impact on different on-board DC/DC modules.

DC/DC; testing procedure

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