A. B. Guskov1, N. V. Mikhailov2, E. I. Starshinova3, A. E. Chalykh4, D. V. Chernikin5

1, 2 JSC “Plant Magneton” (Saint-Petersburg, Russia)

3–5 JSC “V. Tikhomirov Scientific Research Institute of Instrument Design” (Zhukovsky, Russia)