EMITTER WHICH BEAM PATTERN IS DIGITALLY CONTROLLED Russian patent published in 1997 - IPC

FIELD: antenna devices, in particular, primary emitters for mirror antennas. SUBSTANCE: device has oscillator which is fed by rectangular waveguide, and coaxial funnel, which is designed as coaxial rectangular waveguide and cylinder. Funnel is excited by additional second oscillator. amplitude beam pattern depends on level of excitation of each electrodynamic structure. Said level of excitation is controlled by switch which is designed using pin diode. EFFECT: controlled beam pattern. 2 dwg