• MIRCEA NICOLAESCU Department of Telecommunications Politehnica University
  • VICTOR CROITORU Department of Telecommunications Politehnica University
  • LEONTIN TUȚĂ Department of Communications and Information Technology, Military Technical Academy ”Ferdinand I”


Radiation, Slot, Electromagnetic compatibility, High-speed digital systems


The miniaturization of the digital electronic systems, the increase of the frequency, and the decrease of the power level make the electromagnetic compatibility issues a very important domain in the designing process of digital electronics. Both, printed circuit boards (PCBs) and the enclosure of the digital systems contain slots of different dimensions for connectors and for expansion cards. If they are excited by currents (for example by common currents), or by field distributions, they will radiate electromagnetic energy in the surroundings producing electromagnetic interferences. The paper is studying the electromagnetic field radiated by a slot cut in a conductive surface in the frequency range of 1 to 40 GHz


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Électronique et transmission de l’information / Electronics & IT