| 摘要 |
A helical antenna comprises a dielectric frame, a matching board, a quadri-filar radiating element with an assembly of excite coaxial cables and balancing loops, a phasing bridge having strong rings provided with high-frequency connectors. The phase bridge is performed with one high-frequency connector. Strong rings are made as metal discs with holes for fixing a protection cylindrical antenna body, inside diameter of which is not less than, made with an internal ring flange and an upper external flange. The internal flange is fixed on strong rings of the phage bridge. On the external upper flange of the protection body a protective dielectric cover is fixed and through-holes for antenna fixing are made. |
