A Compact Triple Band Antenna for a Wireless USB Dongle

Lee, Seung-Hyun; Sung, Young-Je

doi:2012.12.2.185

J. Electromagn. Eng. Sci > Volume 12(2); 2012 > Article

Journal of Electromagnetic Engineering and Science 2012;12(2):185-188.
DOI: https://doi.org/10.5515/JKIEES.2012.12.2.185

A Compact Triple Band Antenna for a Wireless USB Dongle

Seung-Hyun Lee, Young-Je Sung

Dept. of Electronic Engineering, Kyonggi University

Abstract

A compact monopole antenna possessing triple resonance ($f_1$, $f_2$, $f_3$) characteristics for (USB) dongle applications is presented. The resonance characteristic $f_1$ is determined by the overall length of the antenna. The monopole antenna acts as the main radiator for $f_3$ as well as the coupling feeding structure for the parasitic resonators in $f_1$, $f_2$. The resonance characteristic $f_2$ is achieved by a combination of the capacitance formed by the coupling between the top and bottom parasitic substrate resonators and the inductance generated by a via bridging the two parasitic resonators.

Key words: Monopole Antenna, (USB) Dongle Application