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.