Loop coupling broadband miniaturized conical helical antenna
A helical antenna and helical wire technology, which is applied in the field of small broadband circularly polarized antennas, can solve the problems of reduced bandwidth, large antenna size, performance deterioration such as antenna bandwidth and efficiency, etc., and achieve the effect of improving impedance matching and reducing antenna size.
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[0030] Please refer to Figure 1-Figure 5 , a kind of ring-coupled broadband miniaturized conical helical antenna of the present invention, it comprises double-armed conical helical radiator 1, double-armed conical helical radiator 1 adopts planar structure to be attached to the conical surface of dielectric support cone 4, double-armed conical helical The double-arm helix of the radiator 1 adopts the Archimedes equal-width line, the number of turns of the helix is 7 to 10 turns, and the end of the helix gradually becomes thinner; the dielectric support cone 4 adopts high-strength low dielectric constant Made of low-loss materials; the upper end of the double-armed conical helical radiator 1 is connected to the upper end of the feeding balun 3 through the feeding connector 2; the feeding balun 3 is embedded in the central axis position inside the dielectric support cone 4; The cable connector 7 is connected to the lower end of the feeding balun 3; the core wire of the cable ...
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Abstract
Description
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Application Information
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