A Broadband and Miniaturized Blade Monopole Antenna

Abstract

In this paper, design and characterization of a broadband and miniaturized blade monopole antenna over a wide frequency range of 30-800 MHz is presented. The antenna structure is a blade with a tapered end which shows the improved impedance bandwidth in comparison to a blade antenna with the same total height and no tapered end. The antenna is loaded by lumped elements with a ground plane. Results indicate that the antenna has a good performance in 30–800 MHz. The antenna is matched to a 50 Ω system with VSWR<2. The antenna pattern is omnidirectional with the maximum gain (G) of 5.6 dBi at 800 MHz and G>0 dBi over the frequency range of 150–800 MHz.