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Study of compact thin-film UWB antenna with dual band-notched characteristics
Author(s)
Tangjitjetsada, M.
Rakluea, P.
Benjangkaprasert, C.
Date Issued
November 12, 2012
Type
Conference Paper
Abstract
A study of compact thin-film ultra-wideband (UWB) antenna with dual band- notched characteristics is presented. The proposed antenna operated in the frequency range 2.9-11.3 GHz with 10 dB impedance bandwidth, and reasonable radiation properties. It also exhibit dual band-notched characteristics, one notch frequency band at 3.3-3.7 GHz (WiMax band), and the other at 5.1-5.8 GHz (WLAN-WiMax band). This antenna is printed on Mylarreg; Polyester Film substrate with thickness of 0.4 mm, and dielectric constant of 3.2. The antenna also demonstrates very compact dimensions, 27.3 × 34.5mm in physical size. The antenna is designed for dual band-notched by embedding two separated slots on ground plane. The main aim behind the design methodology of the notch function is to tune the total length of the U-like slot and rectangular slot approximately equal to the half guided wavelength λg) of the desired notch frequency. The antenna is determined using design equation, and simulated the commercial IE3D software, which is based on the method of moments. Good agreement is obtained between simulated and measured antenna characteristics. The results show that proposed antenna is very suitable for various portable UWB applications.
Citation
Progress in Electromagnetics Research Symposium, 529-533, 2012