Experimental evaluation of decomposition pulse voltage in a double-sided PCB with triple modal reservation after failures

Abstract: The relevance of research on the rational use of redundancy by applying triple modal redundancy (MR) techniques to increase the resistance to ultra-wideband interference is highlighted. An experimental evaluation of the change in maximum voltage of decomposed pulses in a bilateral printed circuit board (PCB) with triple MR after failures has been performed. A special prototype of a double-sided PCB with triple MR with optimum parameters has been fabricated. SMD resistors were used as loads. At the far end of the redundant conductor of the PCB, a decomposition into 4 pulses at different input durations is shown. The maximum voltage changes before and after failures at input durations of 120 ps and 240 ps are 26.8% and 28%, respectively. The above comparison of the experimental and electrodynamic simulation results in the time and frequency domains showed their consistency. The maximum voltage and delay differences are 3.69 and 5.6 %, respectively.

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For citation:
Medvedev A. V. Experimental evaluation of decomposition pulse voltage in a double-sided PCB with triple modal reservation after failures. Doklady Tomskogo gosudarstvennogo universiteta sistem upravleniya i radioelektroniki, 2023, vol. 26, no. 1, pp. 48–55. DOI: 10.21293/1818-0442-2023-26-1-48-55