MICROWAVE FREQUENCY CHANGER Russian patent published in 1999 - IPC

FIELD: microwave semiconductor engineering. SUBSTANCE: frequency changer designed for operation in short-wave section of microwave frequency range including extremely high- frequency band is integral device that has active medium in the form of thin film of semiconductor of negative differential conductivity such as n-GaAs or InP carrying ohmic anode and cathode contacts as well as input and output coupling members in-between; output coupling member is made in the form of interdigital set of filtering metal electrodes obeying mathematical relationship modified for various special cases. EFFECT: improved efficiency of converted signal filtering. 3 cl, 4 dwg