Makulina Tatyana Alekseevna Ukraine O.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Science of Ukraine, ul. Akademika Proskury, 12, Kharkiv, 61085, Ukraine Department of physical fundamentals of radarv.yeryomka@gmail.com Additional info Radio engineering, two-way radio system, radar Author's articles CURRENT-LESS TUNING AND CONTROL OF SELF-OSCILLATIONS FREQUENCY TERAHERTZ RANGE KLYNOTRON