TY CONF TI MODELING CIRCULAR COPLANAR CIRCULATOR WITH FERRITE FILM KW circular coplanar circulator KW S-parameters of the circulator KW film yttrium iron garnet JO XXIV international conference "Electromagnetic field and materials (fundamental physical research)" AU Al' Yasiri, D.H. AU Babichev, R.. PY 2026 PB INFRA-M Academic Publishing LLC.