Kozhevnikov Ilya O. RussiaSaratovSaratov State University, 410012, Russia, Saratov, Astrakhanskaya street, 83заведующий учебной лаборатории полупроводниковой электроникиkozhevnikov_io@mail.ru Author's articles Research of the Contact Pads Topology Influence on the Parameters Reproducibility of the Current Oscillations in Mesa-Planar Structures Based on Semi-Insulatinggallium Arsenide