STUB ANTENNA Russian patent published in 2018 - IPC H01Q9/18 

FIELD: antenna equipment.

SUBSTANCE: invention relates to antenna equipment. Antenna contains the vertical pin, which is made in the form of a rod, the horizontal screen and the coaxial feeder. In this case, two low-pass filters, two vertical pins, which are made in the form of hollow rods, and the isolated second zero wire are inserted. And the first low-pass filter is installed between the main vertical pin and the first additional vertical pin. Second low-pass filter is installed between the first additional vertical pin and the second additional vertical pin. First low-pass filter has a stop band at the upper frequencies of the operating frequency range. Second low-pass filter has a stop band at the middle and upper frequencies of the operating frequency range, and the isolated second wire is routed inside the hollow core pins and inside the first additional vertical pins, which are connected with one end to the horizontal screen and connected to the ground points of the first and second low-pass filters.

EFFECT: technical result consists in expanding the working bank.

1 cl, 2 dwg