DEVELOPMENT OF TECHNOLOGY MMIC X and Ku FREQUENCY BAND * M.V. Dragut1, 2, B.I. Seleznev, D.A. Usik, U.U. Smirnov OKB-Planeta Russia, 173000, V. Novgorod, Bol’shaya Moskovkaya, 13a premise 1n, e-mail: dragutmv@okbplaneta.ru 2 Yaroslav-the-Wise Novgorod State University, 173003, V. Novgorod, Bol’shaya St. Peterburgskaya, 44 e-mail: boris.seleznev@novsu.ru 1 This work describes the development of Monolithic Microwave Integrated Circuit X and Ku frequency bands made on the basis of GaAs heterostructures. A number of technological key problems are formulated that need to be resolved and the main results obtained are presented.