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Using Modal Reservation for Ultrashort Pulse Attenuation After Failure

The paper considers the relevance of research on the efficient use of cold standby by means of modal reservation (MR) methods in order to increase resistance to ultrashort pulses. A quasistatic analysis of the ultrashort pulse propagation was performed in structures with single and triple MR on the prototype printed circuit board based on the path of 50 Ohm. The faults of two types were considered: a short circuit and an open circuit. The analysis showed that for a single MR the amplitude of the output voltage increased by 38%, so the attenuation of the ultrashort pulse decreased from 2.3 to 1.7 times. For a triple MR it is shown that the greater the electromagnetic coupling between the standby and one of the three conductors with failure, the greater the deviation, which reaches 36.5%. It was revealed that in case of failure, it is advisable to switch to a circuit whose electromagnetic coupling is less.