TY JOUR TI Sources of submillimeter waves based on silicon IMPATT diodes KW generator KW submillimeter diapason KW terahertz diapason KW silicon KW IMPATT diode KW radial line JO Infocommunications and Radio Technologies AU Karushkin, N.F. AU Obukhov, I.A. PY 2021 IS 4 PB Federal State Educational Institution of Higher Education Sevastopol State University