COAXIAL DIPOLE Russian patent published in 2000 - IPC

FIELD: radio engineering. SUBSTANCE: dipole used for developing ultrashort-wave transceiver antennas nondirectional in azimuthal plane for vehicle-mounted broad-band radio sets has three coaxial metal cylinders 1, 2, 3 mounted in a spaced relation with metal rod installed coaxially in inner space of each cylinder. Metal sleeves 5 and 6 are mounted coaxially to metal cylinders 1 and 2. Third metal sleeve 7 is mounted coaxially to cylinders 1 and 5 and is conductively coupled with metal rod 4 and metal screen 11. Coaxial feeder 8 is connected through its sheath to metal rod 4 at air gap and through central conductor, to metal sleeve 3. Dipole dimensions ensuring matching in more than three-fold frequency band at standing-wave ratio lower than 3 are given in description of invention. EFFECT: provision for broad-band operation at adequate matching characteristics. 2 cl, 6 dwg