SUBHARMONIC WAVEGUIDE FREQUENCY CONVERTER Russian patent published in 1995 - IPC

FIELD: microwave devices. SUBSTANCE: mixing chamber has variable cross-section and has bulging ridge with rectangular base. This ridge bulges from one wall of chamber. Ridge is made from same material as chamber walls and is symmetric about parallel narrow wall of symmetry plane of mixing chamber. If line is drawn in said symmetry plane from ridge vertex to side of ridge base that is directed to corresponding input cross-section of chamber, this line makes angle α_1,2 with adjacent wide chamber wall, this angle conforms to condition π/2 ≥ α_1,2> arctg h/2λ_1,2,, where h is ridge height in waveguide mixing chamber with minimal cross-section, λ_1,2- is wavelength of signal and heterodyne emission in corresponding waveguide having standard cross-section. EFFECT: increased functional capabilities. 3 cl, 4 dwg