Active Coplanar Wave guide Fed Switchable Multimode Antenna Design and Analysis

Authors:

Amulya Boyina,Praveen Kumar Kancherla,

DOI NO:

https://doi.org/10.26782/jmcms.2019.08.00016

Keywords:

TSIR (T-shaped Stepped impedance resonator),PSLR (Parallel Stub loaded resonator),

Abstract

This article presents the design of reconfigurable multiband antenna fed by coplanar waveguide feeding using commercially available pin diodes. The designed antenna covers S-band, Wi-MAX C-Band, X-band applications. A detail study was performed to characterize the switching operation by considering the wire bound effects. By loading the TSIR (T-shaped stepped impedance resonator) and PSLR (parallel stub loaded resonator) in the circular ring, resonating characteristics are observed. The resonating frequencies of the antenna are 3.26 GHz, 4.16 GHz, 8.04 GHz and 8.9 GHz respectively. The current antenna shows the maximum gain of 5.94 dB at 8.04 GHz. The proposed antenna shows good impedance characteristics, low profile and compact size, which is suitable for wireless communication applications.

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