Invention Grant
US08593363B2 End-fed sleeve dipole antenna comprising a ¾-wave transformer 有权
包括¾波变压器的端馈套偶极天线

End-fed sleeve dipole antenna comprising a ¾-wave transformer
Abstract:
An end-fed sleeve dipole is provided herein with improved impedance match and increased bandwidth by incorporating a ¾-wavelength transformer in the antenna design. The ¾-wavelength transformer is compatible with a number of different choking schemes, including but not limited to, a single ¼-wave choke sleeve, a single ¼-wave choke sleeve with additional ferrite beads, and two or more ¼-wave choke sleeves with or without ferrite beads. In some embodiments, one or more shunt resonators may be used to provide additional impedance compensation.
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