V.I. Anisimkin - Dr.Sc. (Phys.-Math.), Chief Research Scientist, Kotel-nikov IRE RAS (Moscow) E-mail: anis@cplite.ru М.А. Zemlyanitsin - Leading Engineer, Kotel-nikov IRE RAS (Moscow) V.А. Оsipenko - Senior Research Scientist, Acoustoelectronic and Piezokeramic ELPA Corporation (Moscow)