Aerospace Instrument-Making Annotation << Back Electromagnetic compatability in complex apparatus В.Г. Болдырев, В.В. Бочаров, В.П. Булеков, Ю.А. Сидоров The paper presents the simulation technique of electromagnetic fields influence on communication data lines that serve as an unattainable part of on-board instrumental systems. The problem lies in obtaining electrical equivalent circuits and their parameters, adequately acting upon communication data lines. Communication lines are regarded as long-distance transmission lines and all processes simulation in them is carried out using "OrCAD Family Release" software.